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update frontend and add album covers

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pschneid 2025-10-16 13:07:44 +02:00
parent 9f45a9c43f
commit c678b60b69
181 changed files with 22481 additions and 549 deletions
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>💕 Our Musical Journey</title>
<meta name="description" content="A private musical journey for two hearts connected through music" />
<script type="module" crossorigin src="/assets/index-DVwnln3h.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-DifsL9Ku.css">
<script type="module" crossorigin src="/assets/index-BHCNYw42.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-HYQ6lVkA.css">
</head>
<body>
<div id="root"></div>

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> spotify-backend@0.1.0 dev
> tsx watch src/index.ts
API server (HTTP) listening on http://0.0.0.0:8081
API server (HTTPS) listening on https://0.0.0.0:8082
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 122.661 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 124.347 ms - 20
11:46:14 AM [tsx] change in ./src/lib/spotify.ts Restarting...
cAPI server (HTTP) listening on http://0.0.0.0:8081
API server (HTTPS) listening on https://0.0.0.0:8082
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 116.462 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 84.068 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 44.734 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 50.038 ms - 20
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.182 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.866 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.901 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.281 ms - 133957
Selected random playlist cover: /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.30%20(1).jpeg
Failed to upload playlist image to Spotify: Request failed with status code 401
Saving playlist to database: {
id: '402571a8-b5a8-4acd-ab3d-c95bf20ade4d',
name: 'Urban Harmony - Oct 16',
trackCount: 25,
trackUris: [
'spotify:track:6ls9KAHhzEoAZwniwREz4Y',
'spotify:track:7ewUS7XNAWNmeVDtfGMkYS',
'spotify:track:4cts1NKuolCnAx6EyUvXMp'
]
}
POST /playlists/mixed 200 1833.840 ms - 1355
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.733 ms - 133957
GET /api/placeholder-playlist-cover 200 3.367 ms - 563
GET /api/placeholder-playlist-cover 200 0.903 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.933 ms - 133957
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 38.746 ms - 20
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.649 ms - 133957
GET /api/placeholder-playlist-cover 200 2.809 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.022 ms - 133957
GET /api/placeholder-playlist-cover 200 0.779 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.753 ms - 133957
GET /api/placeholder-playlist-cover 200 3.241 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.699 ms - 133957
GET /api/placeholder-playlist-cover 200 3.093 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 5.518 ms - 133957
GET /api/placeholder-playlist-cover 200 6.247 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.515 ms - 133957
GET /api/placeholder-playlist-cover 200 3.173 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.225 ms - 133957
GET /api/placeholder-playlist-cover 200 0.443 ms - 563
GET /api/placeholder-playlist-cover 200 1.314 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.308 ms - 133957
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.695 ms - 20
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.366 ms - 133957
GET /api/placeholder-playlist-cover 200 2.061 ms - 563
Selected random playlist cover: /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(3).jpeg
Failed to upload playlist image to Spotify: Request failed with status code 401
Saving playlist to database: {
id: 'f8ec78d4-61fd-4ca6-ac89-7a68ca220707',
name: 'Energetic Vibes - Oct 16',
trackCount: 25,
trackUris: [
'spotify:track:3Iq8XToI0I9KSnqovkv1AV',
'spotify:track:05od2qm2MTSKCHxy1GBp5W',
'spotify:track:2ihCaVdNZmnHZWt0fvAM7B'
]
}
POST /playlists/mixed 200 1598.434 ms - 1357
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.428 ms - 133957
GET /api/placeholder-playlist-cover 200 3.715 ms - 563
GET /api/placeholder-playlist-cover 200 0.455 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.955 ms - 133957
GET /api/placeholder-playlist-cover 200 0.449 ms - 563
GET /api/placeholder-playlist-cover 200 0.435 ms - 563
DELETE /playlists/mixed/402571a8-b5a8-4acd-ab3d-c95bf20ade4d 200 2.092 ms - 16
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.152 ms - 133957
GET /api/placeholder-playlist-cover 200 0.487 ms - 563
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.115 ms - 20
DELETE /playlists/mixed/f8ec78d4-61fd-4ca6-ac89-7a68ca220707 200 2.102 ms - 16
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.068 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.375 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.782 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.706 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.041 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.221 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.811 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.701 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.402 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.820 ms - 133957
Selected random playlist cover: /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(5).jpeg
Failed to upload playlist image to Spotify: Request failed with status code 401
Saving playlist to database: {
id: '8499a09c-65fb-4cc9-be27-8a4d124cf9b7',
name: 'Cosmic Rhythm - Oct 16',
trackCount: 25,
trackUris: [
'spotify:track:5IdsAZE15cZzXRG8sc5odK',
'spotify:track:1tuQuawWDXfoc33NJdwvkd',
'spotify:track:0xCmn4DDvatL81myxErTcR'
]
}
POST /playlists/mixed 200 1429.947 ms - 1355
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.933 ms - 133957
GET /api/placeholder-playlist-cover 200 0.484 ms - 563
GET /api/placeholder-playlist-cover 200 0.377 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.697 ms - 133957
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 74.662 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 51.461 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 51.903 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 54.336 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 84.966 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 44.583 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 49.930 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 89.645 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.998 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 83.312 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 37.621 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 52.736 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 60.872 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 52.101 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 54.628 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 34.661 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 93.374 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 53.185 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 89.281 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 87.633 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 86.173 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.098 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 38.095 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 89.413 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 57.037 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 53.259 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 86.496 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 32.286 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 52.538 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 86.311 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 54.530 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 113.127 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 45.480 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 46.395 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 56.122 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 109.522 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 80.657 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 35.693 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 94.003 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 45.205 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 46.407 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 93.980 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 32.058 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 88.262 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 44.547 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 83.242 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 88.258 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 57.022 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 87.483 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 46.228 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 84.729 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 37.597 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 52.872 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 53.307 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.058 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 48.571 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 59.094 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 52.266 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 51.166 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.000 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 47.374 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 80.154 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 49.615 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 99.950 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.954 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 53.544 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 88.140 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 82.217 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 53.072 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 56.040 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 104.363 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 32.945 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 86.977 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 48.330 ms - 20
GET /partners/partner/91416peucsefexd7z3q9875hw 200 2.273 ms - 44
GET /playlists/mixed 200 2.253 ms - 3317
GET /partners/partner/91416peucsefexd7z3q9875hw 200 1.678 ms - 44
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 5.919 ms - 156666
GET /users/91416peucsefexd7z3q9875hw/status 200 0.981 ms - 57
GET /users/31at7552nbs34vogjfzmasypv6vy 200 0.824 ms - 238
GET /users/31at7552nbs34vogjfzmasypv6vy/top-tracks?time_range=short_term 200 2.895 ms - 61623
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 7.728 ms - 156852
GET /partners/requests/91416peucsefexd7z3q9875hw 200 2.900 ms - 2
GET /users/31at7552nbs34vogjfzmasypv6vy 200 0.973 ms - 238
GET /users/31at7552nbs34vogjfzmasypv6vy/top-tracks?time_range=short_term 200 3.326 ms - 61623
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 5.822 ms - 156852
GET /users/91416peucsefexd7z3q9875hw/status 200 0.621 ms - 57
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 89.765 ms - 20
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 6.333 ms - 156666
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 51.316 ms - 20
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 5.281 ms - 156852
GET /users/31at7552nbs34vogjfzmasypv6vy/now-playing 200 1.790 ms - 20
GET /api/placeholder-playlist-cover 200 0.592 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.319 ms - 133957
GET /playlists/mixed 200 1.825 ms - 3317
GET /api/placeholder-playlist-cover 200 1.095 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.954 ms - 133957
GET /api/placeholder-playlist-cover 200 0.566 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.067 ms - 133957
GET /api/placeholder-playlist-cover 200 0.854 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 4.463 ms - 133957
GET /api/placeholder-playlist-cover 200 4.161 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.532 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.069 ms - 133957
GET /api/placeholder-playlist-cover 200 1.154 ms - 563
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 54.546 ms - 20
Selected random playlist cover: /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg
Failed to upload playlist image to Spotify: Request failed with status code 401
Saving playlist to database: {
id: 'a1d4d7d6-4cd0-4491-a0a3-9a00d79c1a67',
name: 'Dynamic Journey - Oct 16',
trackCount: 25,
trackUris: [
'spotify:track:04a44cx2PJthIbN2aLMXhl',
'spotify:track:7ne4VBA60CxGM75vw0EYad',
'spotify:track:3siwsiaEoU4Kuuc9WKMUy5'
]
}
POST /playlists/mixed 200 1344.283 ms - 1357
GET /api/placeholder-playlist-cover 200 0.697 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.052 ms - 133957
GET /api/placeholder-playlist-cover 200 0.485 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.895 ms - 133957
GET /api/placeholder-playlist-cover 200 0.446 ms - 563
GET /api/placeholder-playlist-cover 200 0.597 ms - 563
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 36.743 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 57.805 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 48.784 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 116.291 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 68.737 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 54.825 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 82.917 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 32.735 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 83.209 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 83.340 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 48.658 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 53.279 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 46.485 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 51.319 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 60.172 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 57.074 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 88.420 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 32.737 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 54.118 ms - 20
POST /auth/exchange 200 169.914 ms - 749
POST /users/91416peucsefexd7z3q9875hw/sync 200 333.677 ms - 11
GET /users/91416peucsefexd7z3q9875hw 200 1.782 ms - 232
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 9.057 ms - 156666
GET /users/91416peucsefexd7z3q9875hw/top-tracks?time_range=short_term 200 3.977 ms - 73042
GET /partners/partner/91416peucsefexd7z3q9875hw 200 2.235 ms - 44
GET /users/31at7552nbs34vogjfzmasypv6vy 200 0.883 ms - 238
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 6.558 ms - 156852
GET /users/31at7552nbs34vogjfzmasypv6vy/top-tracks?time_range=short_term 200 4.078 ms - 61623
GET /playlists/mixed 200 2.564 ms - 4947
GET /api/placeholder-playlist-cover 200 0.613 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.389 ms - 133957
GET /api/placeholder-playlist-cover 200 0.578 ms - 563
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 5.697 ms - 156666
GET /partners/requests/91416peucsefexd7z3q9875hw 200 2.920 ms - 2
GET /users/91416peucsefexd7z3q9875hw/status 200 0.912 ms - 57
GET /users/91416peucsefexd7z3q9875hw/status 200 0.730 ms - 57
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 35.508 ms - 20
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 6.000 ms - 156852
GET /users/31at7552nbs34vogjfzmasypv6vy/now-playing 200 1.662 ms - 20
GET /api/placeholder-playlist-cover 200 0.685 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.455 ms - 133957
GET /playlists/mixed 200 2.862 ms - 4947
GET /api/placeholder-playlist-cover 200 0.631 ms - 563
GET /api/placeholder-playlist-cover 200 0.459 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.043 ms - 133957
GET /api/placeholder-playlist-cover 200 0.562 ms - 563
GET /api/placeholder-playlist-cover 200 0.526 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.909 ms - 133957
GET /api/placeholder-playlist-cover 200 0.513 ms - 563
GET /api/placeholder-playlist-cover 200 0.470 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.081 ms - 133957
GET /api/placeholder-playlist-cover 200 0.445 ms - 563
GET /api/placeholder-playlist-cover 200 0.966 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.980 ms - 133957
GET /api/placeholder-playlist-cover 200 0.598 ms - 563
GET /api/placeholder-playlist-cover 200 0.660 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.422 ms - 133957
GET /api/placeholder-playlist-cover 200 0.597 ms - 563
Selected random playlist cover: /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.30%20(2).jpeg
Failed to upload playlist image to Spotify: Request failed with status code 401
Saving playlist to database: {
id: '018d648c-4bc5-4b77-a0d7-65ce22bd83c8',
name: 'Ethereal Journey - Oct 16',
trackCount: 25,
trackUris: [
'spotify:track:1I37Zz2g3hk9eWxaNkj031',
'spotify:track:3siwsiaEoU4Kuuc9WKMUy5',
'spotify:track:14F1zH9ZynOh2SuHCOskCO'
]
}
POST /playlists/mixed 200 1501.613 ms - 1358
GET /api/placeholder-playlist-cover 200 0.482 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.104 ms - 133957
GET /api/placeholder-playlist-cover 200 0.631 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.841 ms - 133957
GET /api/placeholder-playlist-cover 200 0.410 ms - 563
GET /api/placeholder-playlist-cover 200 0.456 ms - 563
GET /api/placeholder-playlist-cover 200 0.372 ms - 563
GET /api/placeholder-playlist-cover 200 0.401 ms - 563
GET / 404 1.896 ms - 139
GET /partners/partner/91416peucsefexd7z3q9875hw 200 3.051 ms - 44
GET /playlists/mixed 200 1.902 ms - 6578
GET /partners/partner/91416peucsefexd7z3q9875hw 200 1.363 ms - 44
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 5.273 ms - 156666
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 46.904 ms - 20
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 4.157 ms - 156852
GET /users/31at7552nbs34vogjfzmasypv6vy/top-tracks?time_range=short_term 200 3.537 ms - 61623
GET /partners/requests/91416peucsefexd7z3q9875hw 200 2.761 ms - 2
GET /users/91416peucsefexd7z3q9875hw/status 200 0.689 ms - 57
GET /users/31at7552nbs34vogjfzmasypv6vy 200 0.847 ms - 238
GET /users/31at7552nbs34vogjfzmasypv6vy 200 1.964 ms - 238
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 7.561 ms - 156852
GET /users/31at7552nbs34vogjfzmasypv6vy/top-tracks?time_range=short_term 200 9.130 ms - 61623
GET /users/91416peucsefexd7z3q9875hw/status 200 0.681 ms - 57
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 5.229 ms - 156666
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 4.413 ms - 156852
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 40.378 ms - 20
GET /users/31at7552nbs34vogjfzmasypv6vy/now-playing 200 2.133 ms - 20
GET /api/placeholder-playlist-cover 200 0.514 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 1.947 ms - 133957
GET /playlists/mixed 200 1.735 ms - 6578
GET /api/placeholder-playlist-cover 200 0.391 ms - 563
GET /api/placeholder-playlist-cover 200 0.516 ms - 563
GET /api/placeholder-playlist-cover 200 0.420 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.071 ms - 133957
GET /api/placeholder-playlist-cover 200 0.439 ms - 563
GET /api/placeholder-playlist-cover 200 0.375 ms - 563
1:05:52 PM [tsx] change in ./src/lib/spotify.ts Restarting...
cAPI server (HTTP) listening on http://0.0.0.0:8081
API server (HTTPS) listening on https://0.0.0.0:8082
GET /partners/partner/91416peucsefexd7z3q9875hw 200 7.651 ms - 44
GET /playlists/mixed 200 2.752 ms - 6578
GET /partners/partner/91416peucsefexd7z3q9875hw 200 2.748 ms - 44
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 6.800 ms - 156666
GET /users/31at7552nbs34vogjfzmasypv6vy 200 1.442 ms - 238
GET /users/31at7552nbs34vogjfzmasypv6vy/top-tracks?time_range=short_term 200 2.926 ms - 61623
GET /partners/requests/91416peucsefexd7z3q9875hw 200 5.612 ms - 2
GET /users/91416peucsefexd7z3q9875hw/status 200 1.290 ms - 57
GET /users/31at7552nbs34vogjfzmasypv6vy 200 1.832 ms - 238
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 6.098 ms - 156852
GET /users/31at7552nbs34vogjfzmasypv6vy/top-tracks?time_range=short_term 200 3.316 ms - 61623
GET /users/91416peucsefexd7z3q9875hw/status 200 0.869 ms - 57
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 5.840 ms - 156852
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 96.801 ms - 20
GET /users/91416peucsefexd7z3q9875hw/recently-played 200 7.880 ms - 156666
GET /users/31at7552nbs34vogjfzmasypv6vy/recently-played 200 5.679 ms - 156852
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 50.219 ms - 20
GET /users/31at7552nbs34vogjfzmasypv6vy/now-playing 200 1.817 ms - 20
GET /api/placeholder-playlist-cover 200 0.678 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.330 ms - 133957
GET /playlists/mixed 200 2.275 ms - 6578
GET /api/placeholder-playlist-cover 200 0.564 ms - 563
GET /api/placeholder-playlist-cover 200 0.467 ms - 563
GET /api/placeholder-playlist-cover 200 0.496 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.922 ms - 133957
GET /api/placeholder-playlist-cover 200 0.408 ms - 563
GET /api/placeholder-playlist-cover 200 0.479 ms - 563
GET /api/placeholder-playlist-cover 200 0.893 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.588 ms - 133957
GET /api/placeholder-playlist-cover 200 1.053 ms - 563
GET /api/placeholder-playlist-cover 200 0.609 ms - 563
GET /api/placeholder-playlist-cover 200 0.981 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.881 ms - 133957
GET /api/placeholder-playlist-cover 200 0.573 ms - 563
GET /api/placeholder-playlist-cover 200 0.568 ms - 563
GET /api/placeholder-playlist-cover 200 0.651 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.128 ms - 133957
GET /api/placeholder-playlist-cover 200 0.565 ms - 563
GET /api/placeholder-playlist-cover 200 0.872 ms - 563
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 94.920 ms - 20
GET /api/placeholder-playlist-cover 200 0.541 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 3.378 ms - 133957
GET /api/placeholder-playlist-cover 200 0.580 ms - 563
GET /api/placeholder-playlist-cover 200 0.515 ms - 563
Selected random playlist cover: /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(5).jpeg
Saving playlist to database: {
id: '4bed041d-6933-433a-9cb1-e7dd0bbff3f1',
name: 'Dynamic Wave - Oct 16',
trackCount: 25,
trackUris: [
'spotify:track:7tXyps7cXLdb9zhoA0PMHs',
'spotify:track:4SejSRZpC6hsrhqchmyfzk',
'spotify:track:4vGvTtEHVl1orcHzSbqeYm'
]
}
POST /playlists/mixed 200 1361.987 ms - 1400
GET /api/placeholder-playlist-cover 200 0.722 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.676 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(5).jpeg 200 6.924 ms - 204401
GET /api/placeholder-playlist-cover 200 0.607 ms - 563
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(1).jpeg 200 2.759 ms - 133957
GET /api/playlist-covers/WhatsApp%20Image%202025-10-16%20at%2011.12.29%20(5).jpeg 200 7.878 ms - 204401
GET /api/placeholder-playlist-cover 200 0.460 ms - 563
GET /api/placeholder-playlist-cover 200 0.413 ms - 563
GET /api/placeholder-playlist-cover 200 0.396 ms - 563
GET /api/placeholder-playlist-cover 200 0.402 ms - 563
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 87.092 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 53.905 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 48.070 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 80.755 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 85.340 ms - 20
GET /users/91416peucsefexd7z3q9875hw/now-playing 200 89.713 ms - 20
GET /partners/events/91416peucsefexd7z3q9875hw?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOiI5MTQxNnBldWNzZWZleGQ3ejNxOTg3NWh3IiwiaWF0IjoxNzYwNjA4ODMzLCJleHAiOjE3NjMyMDA4MzN9.WSdmfrirUCT-EqTtfisnlU3CdP1d8CMcGx52tNa5zSY 200 3.451 ms - -

1
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592323

145
server/dist/index.js vendored Normal file
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import 'dotenv/config';
import express from 'express';
import cors from 'cors';
import helmet from 'helmet';
import morgan from 'morgan';
import fs from 'fs';
import path from 'path';
import https from 'https';
import { db } from './lib/db.js';
import { authRouter } from './routes/auth.js';
import { usersRouter } from './routes/users.js';
import { partnersRouter } from './routes/partners.js';
import { playlistsRouter } from './routes/playlists.js';
import { syncUserData, captureNowPlaying } from './lib/sync.js';
const app = express();
app.use(helmet());
app.use(cors({ origin: [
'http://localhost:3000',
'https://159.195.9.107:3443',
'http://159.195.9.107:3443'
], credentials: true }));
// Add CORS headers to allow mixed content for development
app.use((req, res, next) => {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept, Authorization');
next();
});
app.use(express.json({ limit: '1mb' }));
app.use(express.urlencoded({ extended: false }));
app.use(morgan('dev'));
// Serve static files from public directory
app.use(express.static('public'));
// Initialize DB
db.initialize();
app.get('/health', (_req, res) => {
res.json({ ok: true });
});
// Placeholder playlist cover endpoint
app.get('/api/placeholder-playlist-cover', (_req, res) => {
// Return a simple SVG placeholder
const svg = `
<svg width="300" height="300" xmlns="http://www.w3.org/2000/svg">
<defs>
<linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%">
<stop offset="0%" style="stop-color:#8B5CF6;stop-opacity:1" />
<stop offset="100%" style="stop-color:#EC4899;stop-opacity:1" />
</linearGradient>
</defs>
<rect width="300" height="300" fill="url(#grad1)"/>
<text x="150" y="150" font-family="Arial, sans-serif" font-size="24" fill="white" text-anchor="middle" dominant-baseline="middle">🎵</text>
</svg>
`;
res.setHeader('Content-Type', 'image/svg+xml');
res.send(svg);
});
// Serve playlist cover images as base64 data URLs to avoid mixed content issues
app.get('/api/playlist-covers/:filename', (req, res) => {
try {
const filename = decodeURIComponent(req.params.filename);
const filePath = path.join(process.cwd(), 'public', 'playlist-covers', filename);
// Check if file exists
if (!fs.existsSync(filePath)) {
return res.status(404).json({ error: 'Image not found' });
}
// Read file as base64
const fileBuffer = fs.readFileSync(filePath);
const base64Data = fileBuffer.toString('base64');
// Set appropriate content type based on file extension
const ext = path.extname(filename).toLowerCase();
let contentType = 'image/jpeg'; // default
switch (ext) {
case '.png':
contentType = 'image/png';
break;
case '.gif':
contentType = 'image/gif';
break;
case '.webp':
contentType = 'image/webp';
break;
case '.svg':
contentType = 'image/svg+xml';
break;
case '.jpg':
case '.jpeg':
contentType = 'image/jpeg';
break;
}
// Return base64 data URL
const dataUrl = `data:${contentType};base64,${base64Data}`;
res.setHeader('Content-Type', 'application/json');
res.setHeader('Cache-Control', 'public, max-age=31536000'); // Cache for 1 year
res.json({ dataUrl });
}
catch (error) {
console.error('Error serving playlist cover:', error);
res.status(500).json({ error: 'Failed to serve image' });
}
});
app.use('/auth', authRouter);
app.use('/users', usersRouter);
app.use('/partners', partnersRouter);
app.use('/playlists', playlistsRouter);
const PORT = process.env.PORT ? Number(process.env.PORT) : 8081;
const HTTPS_PORT = process.env.HTTPS_PORT ? Number(process.env.HTTPS_PORT) : 8082;
// Start HTTP server
app.listen(PORT, () => {
console.log(`API server (HTTP) listening on http://0.0.0.0:${PORT}`);
});
// Start HTTPS server
try {
const httpsOptions = {
key: fs.readFileSync(path.join(process.cwd(), 'key.pem')),
cert: fs.readFileSync(path.join(process.cwd(), 'cert.pem'))
};
https.createServer(httpsOptions, app).listen(HTTPS_PORT, () => {
console.log(`API server (HTTPS) listening on https://0.0.0.0:${HTTPS_PORT}`);
});
}
catch (error) {
console.log('HTTPS server not started - SSL certificates not found');
}
// Periodic refreshes
const REFRESH_INTERVAL_MS = 2 * 60 * 1000; // full sync
const NOWPLAYING_INTERVAL_MS = 20 * 1000; // capture now playing
setInterval(() => {
try {
const users = db.db.prepare('SELECT id FROM users').all();
for (const u of users) {
syncUserData(u.id).catch(() => void 0);
}
}
catch (e) {
// ignore timer errors
}
}, REFRESH_INTERVAL_MS);
setInterval(() => {
try {
const users = db.db.prepare('SELECT id FROM users').all();
for (const u of users)
captureNowPlaying(u.id).catch(() => void 0);
}
catch { }
}, NOWPLAYING_INTERVAL_MS);

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server/dist/lib/db.js vendored Normal file
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import Database from 'better-sqlite3';
import path from 'path';
import fs from 'fs';
const DB_PATH = process.env.DB_PATH || path.resolve(process.cwd(), '..', 'spotify.db');
class DBWrapper {
constructor() {
this.instance = null;
}
get db() {
if (!this.instance) {
this.instance = new Database(DB_PATH);
this.instance.pragma('journal_mode = WAL');
this.instance.pragma('foreign_keys = ON');
}
return this.instance;
}
initialize() {
// Ensure file exists
if (!fs.existsSync(DB_PATH)) {
fs.writeFileSync(DB_PATH, '');
}
const sql = `
CREATE TABLE IF NOT EXISTS users (
id TEXT PRIMARY KEY,
display_name TEXT,
email TEXT,
avatar_url TEXT,
country TEXT,
product TEXT,
created_at INTEGER NOT NULL,
updated_at INTEGER NOT NULL,
access_token TEXT,
refresh_token TEXT,
token_expires_at INTEGER,
last_synced_at INTEGER
);
CREATE TABLE IF NOT EXISTS friendships (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_a_id TEXT NOT NULL,
user_b_id TEXT NOT NULL,
created_at INTEGER NOT NULL,
UNIQUE(user_a_id, user_b_id)
);
CREATE TABLE IF NOT EXISTS friend_requests (
id INTEGER PRIMARY KEY AUTOINCREMENT,
from_user_id TEXT NOT NULL,
to_user_id TEXT NOT NULL,
status TEXT NOT NULL CHECK(status IN ('pending','accepted','declined')),
created_at INTEGER NOT NULL,
updated_at INTEGER NOT NULL,
UNIQUE(from_user_id, to_user_id)
);
CREATE TABLE IF NOT EXISTS recently_played (
id TEXT PRIMARY KEY,
user_id TEXT NOT NULL,
played_at INTEGER NOT NULL,
track_json TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS top_tracks (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id TEXT NOT NULL,
time_range TEXT NOT NULL,
rank INTEGER NOT NULL,
track_json TEXT NOT NULL,
UNIQUE(user_id, time_range, rank)
);
CREATE TABLE IF NOT EXISTS top_artists (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id TEXT NOT NULL,
time_range TEXT NOT NULL,
rank INTEGER NOT NULL,
artist_json TEXT NOT NULL,
UNIQUE(user_id, time_range, rank)
);
CREATE TABLE IF NOT EXISTS mixed_playlists (
id TEXT PRIMARY KEY,
creator_id TEXT NOT NULL,
partner_id TEXT NOT NULL,
name TEXT NOT NULL,
description TEXT,
vibe TEXT,
genres TEXT, -- JSON array of genres
track_uris TEXT, -- JSON array of track URIs
creator_spotify_id TEXT,
partner_spotify_id TEXT,
creator_spotify_url TEXT,
partner_spotify_url TEXT,
creator_spotify_image_url TEXT,
partner_spotify_image_url TEXT,
created_at INTEGER NOT NULL,
updated_at INTEGER NOT NULL,
FOREIGN KEY (creator_id) REFERENCES users(id),
FOREIGN KEY (partner_id) REFERENCES users(id)
);
`;
this.db.exec(sql);
// Migrations for existing DBs
try {
const cols = this.db.prepare("PRAGMA table_info(users)").all();
const hasLastSynced = cols.some(c => c.name === 'last_synced_at');
if (!hasLastSynced) {
this.db.exec('ALTER TABLE users ADD COLUMN last_synced_at INTEGER');
}
}
catch { }
// Migration for mixed_playlists table
try {
const playlistCols = this.db.prepare("PRAGMA table_info(mixed_playlists)").all();
const hasCreatorImageUrl = playlistCols.some(c => c.name === 'creator_spotify_image_url');
const hasPartnerImageUrl = playlistCols.some(c => c.name === 'partner_spotify_image_url');
if (!hasCreatorImageUrl) {
this.db.exec('ALTER TABLE mixed_playlists ADD COLUMN creator_spotify_image_url TEXT');
}
if (!hasPartnerImageUrl) {
this.db.exec('ALTER TABLE mixed_playlists ADD COLUMN partner_spotify_image_url TEXT');
}
}
catch { }
}
}
export const db = new DBWrapper();

48
server/dist/lib/events.js vendored Normal file
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const clientsByUser = new Map();
export function addSseClient(userId, res) {
const client = {
userId,
res,
write: (payload) => {
try {
res.write(`data: ${JSON.stringify(payload)}\n\n`);
}
catch { }
},
};
if (!clientsByUser.has(userId))
clientsByUser.set(userId, new Set());
clientsByUser.get(userId).add(client);
// Initial hello
client.write({ type: 'hello', at: Date.now() });
// Heartbeat to keep connections alive through proxies
const heartbeat = setInterval(() => {
try {
res.write(`: ping\n\n`);
}
catch { }
}, 25000);
// Return cleanup
return () => {
clearInterval(heartbeat);
try {
res.end();
}
catch { }
clientsByUser.get(userId)?.delete(client);
if (clientsByUser.get(userId)?.size === 0)
clientsByUser.delete(userId);
};
}
export function sendEvent(userId, event) {
const set = clientsByUser.get(userId);
if (!set || set.size === 0)
return;
for (const client of set)
client.write(event);
}
export function sendToBoth(userA, userB, event) {
sendEvent(userA, event);
if (userB !== userA)
sendEvent(userB, event);
}

195
server/dist/lib/spotify.js vendored Normal file
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import axios from 'axios';
import { db } from './db.js';
import fs from 'fs';
import path from 'path';
// Generate a random local playlist cover image URL
function generateRandomPlaylistImage() {
try {
const coversDir = path.join(process.cwd(), 'public', 'playlist-covers');
// Check if directory exists
if (!fs.existsSync(coversDir)) {
console.log('Playlist covers directory not found, creating it...');
fs.mkdirSync(coversDir, { recursive: true });
}
// Get all image files from the directory
const files = fs.readdirSync(coversDir).filter(file => {
const ext = path.extname(file).toLowerCase();
return ['.jpg', '.jpeg', '.png', '.webp', '.gif'].includes(ext);
});
if (files.length === 0) {
console.log('No playlist cover images found in public/playlist-covers/');
return '/api/placeholder-playlist-cover';
}
// Select a random image
const randomFile = files[Math.floor(Math.random() * files.length)];
const imageUrl = `/api/playlist-covers/${encodeURIComponent(randomFile)}`;
console.log(`Selected random playlist cover: ${imageUrl}`);
return imageUrl;
}
catch (error) {
console.error('Error generating random playlist image:', error);
return '/api/placeholder-playlist-cover';
}
}
export function getUserTokens(uid) {
const row = db.db
.prepare('SELECT access_token, refresh_token, token_expires_at FROM users WHERE id = ?')
.get(uid);
if (!row)
return null;
return {
access_token: row.access_token,
refresh_token: row.refresh_token,
token_expires_at: row.token_expires_at,
};
}
export async function ensureValidAccessToken(uid) {
const tokens = getUserTokens(uid);
if (!tokens?.access_token) {
throw new Error('User not authenticated');
}
const now = Date.now();
if (tokens.token_expires_at && tokens.token_expires_at > now + 30000) {
return tokens.access_token;
}
if (!tokens.refresh_token) {
return tokens.access_token;
}
// Refresh token via Spotify
const clientId = process.env.SPOTIFY_CLIENT_ID || '';
const clientSecret = process.env.SPOTIFY_CLIENT_SECRET || '';
const resp = await axios.post('https://accounts.spotify.com/api/token', new URLSearchParams({ grant_type: 'refresh_token', refresh_token: tokens.refresh_token }), {
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
Authorization: `Basic ${Buffer.from(`${clientId}:${clientSecret}`).toString('base64')}`,
},
});
const { access_token, expires_in } = resp.data;
const token_expires_at = Date.now() + expires_in * 1000 - 60000;
db.db
.prepare('UPDATE users SET access_token = ?, token_expires_at = ?, updated_at=? WHERE id = ?')
.run(access_token, token_expires_at, Date.now(), uid);
return access_token;
}
export function vibeToTargets(vibe) {
switch (vibe) {
case 'energetic':
return { target_energy: 0.85, target_danceability: 0.7, target_tempo: 130 };
case 'chill':
return { target_energy: 0.3, target_danceability: 0.4, target_tempo: 90 };
case 'happy':
return { target_valence: 0.85, target_danceability: 0.6 };
case 'sad':
return { target_valence: 0.2 };
case 'party':
return { target_danceability: 0.85, target_energy: 0.8, target_tempo: 125 };
case 'focus':
return { target_energy: 0.4, target_instrumentalness: 0.5 };
default:
return {};
}
}
export async function fetchRecommendations(accessToken, seeds, targets, limit = 25) {
// Legacy kept for compatibility; prefer fetchSimilarTrackUris below
return fetchSimilarTrackUris(accessToken, seeds.seed_tracks, seeds.seed_artists, seeds.seed_genres, targets, limit);
}
export async function createSpotifyPlaylist(accessToken, userId, name, description) {
const resp = await axios.post(`https://api.spotify.com/v1/users/${encodeURIComponent(userId)}/playlists`, { name, description, public: false }, { headers: { Authorization: `Bearer ${accessToken}`, 'Content-Type': 'application/json' } });
const pl = resp.data;
// Generate a random local playlist cover image
const imageUrl = generateRandomPlaylistImage();
return { id: pl.id, url: pl.external_urls?.spotify, imageUrl };
}
export async function addTracks(accessToken, playlistId, trackUris) {
if (!trackUris.length)
return;
await axios.post(`https://api.spotify.com/v1/playlists/${encodeURIComponent(playlistId)}/tracks`, { uris: trackUris }, { headers: { Authorization: `Bearer ${accessToken}`, 'Content-Type': 'application/json' } });
}
// ----- New: Similar tracks without recommendations endpoint -----
async function getRelatedArtists(accessToken, artistId) {
const resp = await axios.get(`https://api.spotify.com/v1/artists/${encodeURIComponent(artistId)}/related-artists`, {
headers: { Authorization: `Bearer ${accessToken}` },
});
const artists = (resp.data?.artists || []);
return artists.map(a => a.id).filter(Boolean);
}
async function getArtistTopTracks(accessToken, artistId) {
const resp = await axios.get(`https://api.spotify.com/v1/artists/${encodeURIComponent(artistId)}/top-tracks?market=from_token`, {
headers: { Authorization: `Bearer ${accessToken}` },
});
const tracks = (resp.data?.tracks || []);
return tracks.map(t => t.uri || (t.id ? `spotify:track:${t.id}` : null)).filter((u) => !!u);
}
async function searchTracksByGenre(accessToken, genre, limit) {
const resp = await axios.get('https://api.spotify.com/v1/search', {
headers: { Authorization: `Bearer ${accessToken}` },
params: { q: `genre:"${genre}"`, type: 'track', limit: Math.min(limit, 50) },
});
const tracks = (resp.data?.tracks?.items || []);
return tracks.map(t => t.uri || (t.id ? `spotify:track:${t.id}` : null)).filter((u) => !!u);
}
async function filterByTargets(accessToken, trackUris, targets) {
if (!trackUris.length || Object.keys(targets).length === 0)
return trackUris;
const ids = trackUris.map(u => u.split(':').pop()).filter(Boolean);
const resp = await axios.get('https://api.spotify.com/v1/audio-features', {
headers: { Authorization: `Bearer ${accessToken}` },
params: { ids: ids.slice(0, 100).join(',') },
});
const features = (resp.data?.audio_features || []);
const pass = new Set(features
.filter(f => !!f && (!('target_energy' in targets) || Math.abs(targets.target_energy - f.energy) <= 0.4))
.filter(f => !('target_danceability' in targets) || Math.abs(targets.target_danceability - f.danceability) <= 0.4)
.filter(f => !('target_valence' in targets) || Math.abs(targets.target_valence - f.valence) <= 0.5)
.filter(f => !('target_tempo' in targets) || Math.abs(targets.target_tempo - f.tempo) <= 30)
.filter(f => !('target_instrumentalness' in targets) || Math.abs(targets.target_instrumentalness - f.instrumentalness) <= 0.5)
.map(f => f.id));
return trackUris.filter(u => pass.has(u.split(':').pop()));
}
export async function fetchSimilarTrackUris(accessToken, seedTrackUris, seedArtistIds, seedGenres, targets = {}, limit = 25) {
const candidateUris = new Set();
// From seed artists and from artists of seed tracks
const trackIds = (seedTrackUris || []).map(u => u?.split(':').pop()).filter(Boolean);
const seedArtistSet = new Set(seedArtistIds || []);
// If we got tracks, fetch their artists to expand
if (trackIds.length) {
const tracksResp = await axios.get('https://api.spotify.com/v1/tracks', {
headers: { Authorization: `Bearer ${accessToken}` },
params: { ids: trackIds.slice(0, 50).join(',') },
});
const tracks = (tracksResp.data?.tracks || []);
tracks.forEach(t => (t.artists || []).forEach(a => a?.id && seedArtistSet.add(a.id)));
}
// Expand via related artists and take top tracks
const seedArtists = Array.from(seedArtistSet).slice(0, 10);
for (const artistId of seedArtists) {
try {
const related = (await getRelatedArtists(accessToken, artistId)).slice(0, 10);
const pool = [artistId, ...related];
for (const a of pool) {
const tops = await getArtistTopTracks(accessToken, a);
tops.forEach(u => candidateUris.add(u));
if (candidateUris.size >= limit * 4)
break;
}
if (candidateUris.size >= limit * 4)
break;
}
catch { }
}
// Genre-based search fallback
for (const g of (seedGenres || []).slice(0, 3)) {
try {
const found = await searchTracksByGenre(accessToken, g, 50);
found.forEach(u => candidateUris.add(u));
if (candidateUris.size >= limit * 4)
break;
}
catch { }
}
let uris = Array.from(candidateUris);
uris = await filterByTargets(accessToken, uris, targets);
// Shuffle and take limit
uris.sort(() => Math.random() - 0.5);
return uris.slice(0, limit);
}

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import axios from 'axios';
import { db } from './db.js';
import { ensureValidAccessToken } from './spotify.js';
export async function syncUserData(uid) {
const accessToken = await ensureValidAccessToken(uid);
const headers = { Authorization: `Bearer ${accessToken}` };
const [recentResp, topTracksShort, topTracksMed, topArtistsShort, topArtistsMed] = await Promise.all([
axios.get('https://api.spotify.com/v1/me/player/recently-played?limit=20', { headers }),
axios.get('https://api.spotify.com/v1/me/top/tracks?time_range=short_term&limit=20', { headers }),
axios.get('https://api.spotify.com/v1/me/top/tracks?time_range=medium_term&limit=20', { headers }),
axios.get('https://api.spotify.com/v1/me/top/artists?time_range=short_term&limit=20', { headers }),
axios.get('https://api.spotify.com/v1/me/top/artists?time_range=medium_term&limit=20', { headers })
]);
const trx = db.db.transaction(() => {
const rpStmt = db.db.prepare('INSERT OR REPLACE INTO recently_played (id, user_id, played_at, track_json) VALUES (?, ?, ?, ?)');
for (const item of recentResp.data.items) {
rpStmt.run(item.played_at + ':' + item.track.id, uid, new Date(item.played_at).getTime(), JSON.stringify(item.track));
}
const ttDel = db.db.prepare('DELETE FROM top_tracks WHERE user_id=? AND time_range=?');
const ttIns = db.db.prepare('INSERT INTO top_tracks (user_id, time_range, rank, track_json) VALUES (?, ?, ?, ?)');
for (const [range, payload] of [
['short_term', topTracksShort.data],
['medium_term', topTracksMed.data],
]) {
ttDel.run(uid, range);
payload.items.forEach((t, idx) => ttIns.run(uid, range, idx + 1, JSON.stringify(t)));
}
const taDel = db.db.prepare('DELETE FROM top_artists WHERE user_id=? AND time_range=?');
const taIns = db.db.prepare('INSERT INTO top_artists (user_id, time_range, rank, artist_json) VALUES (?, ?, ?, ?)');
for (const [range, payload] of [
['short_term', topArtistsShort.data],
['medium_term', topArtistsMed.data],
]) {
taDel.run(uid, range);
payload.items.forEach((a, idx) => taIns.run(uid, range, idx + 1, JSON.stringify(a)));
}
});
trx();
db.db.prepare('UPDATE users SET last_synced_at=?, updated_at=? WHERE id=?').run(Date.now(), Date.now(), uid);
}
// Capture the user's current playback and persist as a recent play if changed
export async function captureNowPlaying(uid) {
try {
const accessToken = await ensureValidAccessToken(uid);
const headers = { Authorization: `Bearer ${accessToken}` };
const resp = await axios.get('https://api.spotify.com/v1/me/player/currently-playing?additional_types=track', {
headers,
validateStatus: () => true,
});
if (resp.status !== 200)
return; // nothing to record
const data = resp.data;
if (!data?.is_playing || !data?.item)
return;
const track = data.item;
const trackId = track?.id;
if (!trackId)
return;
// Deduplicate: update existing row if same track found recently
const recentRows = db.db.prepare('SELECT id, track_json, played_at FROM recently_played WHERE user_id=? ORDER BY played_at DESC LIMIT 50').all(uid);
for (const row of recentRows) {
try {
const rowTrack = JSON.parse(row.track_json);
if (rowTrack?.id === trackId) {
// If the last record for this track is within 15 minutes, treat as the same session; update timestamp
if (Date.now() - row.played_at < 15 * 60 * 1000) {
db.db.prepare('UPDATE recently_played SET played_at = ?, track_json = ? WHERE id = ?').run(Date.now(), JSON.stringify(track), row.id);
return;
}
break;
}
}
catch { }
}
db.db
.prepare('INSERT INTO recently_played (user_id, played_at, track_json) VALUES (?, ?, ?)')
.run(uid, Date.now(), JSON.stringify(track));
}
catch {
// ignore errors while capturing now playing to keep background loop robust
}
}

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import jwt from 'jsonwebtoken';
const JWT_SECRET = process.env.JWT_SECRET || 'dev-secret-change';
export function requireAuth(req, res, next) {
const header = req.headers.authorization || '';
let token = header.startsWith('Bearer ') ? header.slice(7) : null;
// Allow token via query param for SSE EventSource
if (!token && typeof req.query?.token === 'string')
token = String(req.query.token);
if (!token)
return res.status(401).json({ error: 'Missing token' });
try {
const payload = jwt.verify(token, JWT_SECRET);
req.user = { uid: payload.uid };
next();
}
catch {
return res.status(401).json({ error: 'Invalid token' });
}
}

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import { Router } from 'express';
import axios from 'axios';
import jwt from 'jsonwebtoken';
import { db } from '../lib/db.js';
export const authRouter = Router();
const SPOTIFY_CLIENT_ID = process.env.SPOTIFY_CLIENT_ID || '';
const SPOTIFY_CLIENT_SECRET = process.env.SPOTIFY_CLIENT_SECRET || '';
const REDIRECT_URI = process.env.REDIRECT_URI || 'http://localhost:3000/callback';
const JWT_SECRET = process.env.JWT_SECRET || 'dev-secret-change';
authRouter.post('/exchange', async (req, res) => {
try {
const { code } = req.body;
if (!code)
return res.status(400).json({ error: 'Missing code' });
const tokenResp = await axios.post('https://accounts.spotify.com/api/token', new URLSearchParams({
grant_type: 'authorization_code',
code,
redirect_uri: REDIRECT_URI,
}), {
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
Authorization: `Basic ${Buffer.from(`${SPOTIFY_CLIENT_ID}:${SPOTIFY_CLIENT_SECRET}`).toString('base64')}`,
},
});
const { access_token, refresh_token, expires_in } = tokenResp.data;
const meResp = await axios.get('https://api.spotify.com/v1/me', {
headers: { Authorization: `Bearer ${access_token}` },
});
const profile = meResp.data;
const now = Date.now();
const tokenExpiresAt = now + expires_in * 1000 - 60000; // refresh a bit early
db.db
.prepare(`INSERT INTO users (id, display_name, email, avatar_url, country, product, created_at, updated_at, access_token, refresh_token, token_expires_at)
VALUES (@id, @display_name, @email, @avatar_url, @country, @product, @created_at, @updated_at, @access_token, @refresh_token, @token_expires_at)
ON CONFLICT(id) DO UPDATE SET
display_name=excluded.display_name,
email=excluded.email,
avatar_url=excluded.avatar_url,
country=excluded.country,
product=excluded.product,
updated_at=excluded.updated_at,
access_token=excluded.access_token,
refresh_token=excluded.refresh_token,
token_expires_at=excluded.token_expires_at`)
.run({
id: profile.id,
display_name: profile.display_name,
email: profile.email,
avatar_url: profile.images?.[0]?.url || null,
country: profile.country,
product: profile.product,
created_at: now,
updated_at: now,
access_token,
refresh_token,
token_expires_at: tokenExpiresAt,
});
const jwtToken = jwt.sign({ uid: profile.id }, JWT_SECRET, { expiresIn: '30d' });
// Return Spotify tokens to enable client-side playback controls
res.json({ token: jwtToken, uid: profile.id, access_token, refresh_token, expires_in });
}
catch (err) {
const detail = err?.response?.data || err?.message || 'Unknown error';
console.error('Auth exchange error:', detail);
res.status(500).json({ error: 'Auth exchange failed', detail });
}
});
authRouter.post('/refresh', async (req, res) => {
try {
const { uid } = req.body;
if (!uid)
return res.status(400).json({ error: 'Missing uid' });
const row = db.db.prepare('SELECT refresh_token FROM users WHERE id = ?').get(uid);
if (!row?.refresh_token)
return res.status(404).json({ error: 'User not found' });
const tokenResp = await axios.post('https://accounts.spotify.com/api/token', new URLSearchParams({ grant_type: 'refresh_token', refresh_token: row.refresh_token }), {
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
Authorization: `Basic ${Buffer.from(`${SPOTIFY_CLIENT_ID}:${SPOTIFY_CLIENT_SECRET}`).toString('base64')}`,
},
});
const { access_token, expires_in } = tokenResp.data;
const tokenExpiresAt = Date.now() + expires_in * 1000 - 60000;
db.db.prepare('UPDATE users SET access_token=?, token_expires_at=?, updated_at=? WHERE id=?').run(access_token, tokenExpiresAt, Date.now(), uid);
res.json({ ok: true });
}
catch (err) {
console.error(err.response?.data || err.message);
res.status(500).json({ error: 'Refresh failed' });
}
});

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import { Router } from 'express';
import { db } from '../lib/db.js';
import { addSseClient, sendEvent, sendToBoth } from '../lib/events.js';
import { requireAuth } from '../middleware/auth.js';
export const partnersRouter = Router();
// Send a partner request (not via link) by target uid
partnersRouter.post('/request', requireAuth, (req, res) => {
const { toUid } = req.body;
const fromUid = req.user?.uid;
if (!fromUid || !toUid || fromUid === toUid)
return res.status(400).json({ error: 'Invalid uids' });
const now = Date.now();
try {
db.db
.prepare(`INSERT INTO friend_requests (from_user_id, to_user_id, status, created_at, updated_at)
VALUES (?, ?, 'pending', ?, ?)`)
.run(fromUid, toUid, now, now);
// Notify the recipient about a new incoming request
sendEvent(toUid, { type: 'partner:request', fromUserId: fromUid, at: now });
res.json({ ok: true });
}
catch (e) {
if (e && String(e.message).includes('UNIQUE')) {
return res.status(409).json({ error: 'Request already exists' });
}
throw e;
}
});
// List incoming requests for a user
partnersRouter.get('/requests/:uid', requireAuth, (req, res) => {
const { uid } = req.params;
if (!req.user || req.user.uid !== uid)
return res.status(403).json({ error: 'Forbidden' });
const rows = db.db
.prepare("SELECT id, from_user_id, to_user_id, status, created_at FROM friend_requests WHERE to_user_id = ? AND status = 'pending' ORDER BY created_at DESC")
.all(uid);
res.json(rows);
});
// Accept a request
partnersRouter.post('/requests/:id/accept', requireAuth, (req, res) => {
const { id } = req.params;
const reqRow = db.db.prepare('SELECT * FROM friend_requests WHERE id = ?').get(id);
if (!reqRow)
return res.status(404).json({ error: 'Not found' });
if (!req.user || req.user.uid !== reqRow.to_user_id)
return res.status(403).json({ error: 'Forbidden' });
const now = Date.now();
const userA = reqRow.from_user_id < reqRow.to_user_id ? reqRow.from_user_id : reqRow.to_user_id;
const userB = reqRow.from_user_id < reqRow.to_user_id ? reqRow.to_user_id : reqRow.from_user_id;
const txn = db.db.transaction(() => {
db.db.prepare("UPDATE friend_requests SET status='accepted', updated_at=? WHERE id=?").run(now, id);
db.db.prepare('INSERT OR IGNORE INTO friendships (user_a_id, user_b_id, created_at) VALUES (?, ?, ?)').run(userA, userB, now);
});
txn();
// Notify both users of partnership established
sendToBoth(userA, userB, { type: 'partner:connected', a: userA, b: userB, at: now });
res.json({ ok: true });
});
// Decline a request
partnersRouter.post('/requests/:id/decline', requireAuth, (req, res) => {
const { id } = req.params;
const now = Date.now();
const reqRow = db.db.prepare('SELECT * FROM friend_requests WHERE id = ?').get(id);
if (!reqRow)
return res.status(404).json({ error: 'Not found' });
if (!req.user || req.user.uid !== reqRow.to_user_id)
return res.status(403).json({ error: 'Forbidden' });
db.db.prepare("UPDATE friend_requests SET status='declined', updated_at=? WHERE id=?").run(now, id);
// Notify requester that their request was declined
sendEvent(reqRow.from_user_id, { type: 'partner:declined', byUserId: reqRow.to_user_id, requestId: reqRow.id, at: now });
res.json({ ok: true });
});
// Check partnership between two users
partnersRouter.get('/status', (req, res) => {
const { a, b } = req.query;
if (!a || !b)
return res.status(400).json({ error: 'Missing params' });
const [userA, userB] = a < b ? [a, b] : [b, a];
const exists = db.db
.prepare('SELECT 1 FROM friendships WHERE user_a_id=? AND user_b_id=?')
.get(userA, userB);
res.json({ partnered: !!exists });
});
// Fetch partner for a user (if any)
partnersRouter.get('/partner/:uid', requireAuth, (req, res) => {
const { uid } = req.params;
if (!req.user || req.user.uid !== uid)
return res.status(403).json({ error: 'Forbidden' });
const row = db.db
.prepare(`SELECT CASE WHEN user_a_id = ? THEN user_b_id ELSE user_a_id END as partner_id
FROM friendships
WHERE user_a_id = ? OR user_b_id = ?
LIMIT 1`)
.get(uid, uid, uid);
if (!row?.partner_id)
return res.json({ partnerId: null });
return res.json({ partnerId: row.partner_id });
});
// SSE: subscribe to partner events for authed user
partnersRouter.get('/events/:uid', requireAuth, (req, res) => {
const { uid } = req.params;
if (!req.user || req.user.uid !== uid)
return res.status(403).json({ error: 'Forbidden' });
res.setHeader('Content-Type', 'text/event-stream');
res.setHeader('Cache-Control', 'no-cache');
res.setHeader('Connection', 'keep-alive');
res.flushHeaders?.();
const cleanup = addSseClient(uid, res);
req.on('close', cleanup);
});
// Remove an existing partnership between the authed user and a specific partner
partnersRouter.post('/remove', requireAuth, (req, res) => {
const { partnerId } = req.body;
const uid = req.user?.uid;
if (!uid || !partnerId || uid === partnerId)
return res.status(400).json({ error: 'Invalid partnerId' });
const userA = uid < partnerId ? uid : partnerId;
const userB = uid < partnerId ? partnerId : uid;
const existing = db.db
.prepare('SELECT id FROM friendships WHERE user_a_id=? AND user_b_id=?')
.get(userA, userB);
if (!existing?.id)
return res.status(404).json({ error: 'No active partnership' });
try {
const txn = db.db.transaction(() => {
db.db.prepare('DELETE FROM friendships WHERE user_a_id=? AND user_b_id=?').run(userA, userB);
// Remove any historical or pending requests between the two users so they can re-invite
db.db
.prepare('DELETE FROM friend_requests WHERE (from_user_id=? AND to_user_id=?) OR (from_user_id=? AND to_user_id=?)')
.run(uid, partnerId, partnerId, uid);
});
txn();
// Notify both users of disconnection
sendToBoth(userA, userB, { type: 'partner:disconnected', a: userA, b: userB, at: Date.now() });
return res.json({ ok: true });
}
catch (e) {
return res.status(500).json({ error: 'Failed to remove partnership' });
}
});
// Clear any existing partnership for the authed user (fallback helper)
partnersRouter.post('/clear', requireAuth, (req, res) => {
const { userId } = req.body;
const uid = req.user?.uid;
if (!uid || !userId || uid !== userId)
return res.status(403).json({ error: 'Forbidden' });
try {
// Find all partners (normally only one) and delete links + requests
const partners = db.db
.prepare('SELECT CASE WHEN user_a_id = ? THEN user_b_id ELSE user_a_id END as partner_id FROM friendships WHERE user_a_id = ? OR user_b_id = ?')
.all(uid, uid, uid);
const txn = db.db.transaction(() => {
db.db.prepare('DELETE FROM friendships WHERE user_a_id=? OR user_b_id=?').run(uid, uid);
for (const row of partners) {
db.db
.prepare('DELETE FROM friend_requests WHERE (from_user_id=? AND to_user_id=?) OR (from_user_id=? AND to_user_id=?)')
.run(uid, row.partner_id, row.partner_id, uid);
}
});
txn();
// Notify the user and any former partners
for (const row of partners) {
const a = uid < row.partner_id ? uid : row.partner_id;
const b = uid < row.partner_id ? row.partner_id : uid;
sendToBoth(a, b, { type: 'partner:disconnected', a, b, at: Date.now() });
}
return res.json({ ok: true });
}
catch (e) {
return res.status(500).json({ error: 'Failed to clear partnership' });
}
});

185
server/dist/routes/playlists.js vendored Normal file
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import { Router } from 'express';
import { requireAuth } from '../middleware/auth.js';
import { addTracks, createSpotifyPlaylist, ensureValidAccessToken, fetchRecommendations, vibeToTargets } from '../lib/spotify.js';
import { db } from '../lib/db.js';
import { v4 as uuidv4 } from 'uuid';
export const playlistsRouter = Router();
// Helper function to generate unique playlist names
function generateUniquePlaylistName() {
const adjectives = ['Vibrant', 'Melodic', 'Harmonic', 'Rhythmic', 'Ethereal', 'Dynamic', 'Soulful', 'Electric', 'Acoustic', 'Cosmic', 'Urban', 'Chill', 'Energetic', 'Dreamy', 'Funky'];
const nouns = ['Fusion', 'Symphony', 'Vibes', 'Journey', 'Harmony', 'Blend', 'Mix', 'Soundscape', 'Melody', 'Rhythm', 'Groove', 'Beat', 'Tune', 'Sound', 'Wave'];
const adjective = adjectives[Math.floor(Math.random() * adjectives.length)];
const noun = nouns[Math.floor(Math.random() * nouns.length)];
const timestamp = new Date().toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
return `${adjective} ${noun} - ${timestamp}`;
}
// GET /playlists/mixed - Get all mixed playlists for a user
playlistsRouter.get('/mixed', requireAuth, async (req, res) => {
try {
const userId = req.user.uid;
const playlists = db.db.prepare(`
SELECT * FROM mixed_playlists
WHERE creator_id = ? OR partner_id = ?
ORDER BY created_at DESC
`).all(userId, userId);
res.json({ playlists });
}
catch (err) {
console.error('Failed to fetch mixed playlists:', err);
res.status(500).json({ error: 'Failed to fetch playlists' });
}
});
// DELETE /playlists/mixed/:id - Delete a mixed playlist
playlistsRouter.delete('/mixed/:id', requireAuth, async (req, res) => {
try {
const userId = req.user.uid;
const playlistId = req.params.id;
// Check if user owns this playlist
const playlist = db.db.prepare('SELECT * FROM mixed_playlists WHERE id = ? AND (creator_id = ? OR partner_id = ?)').get(playlistId, userId, userId);
if (!playlist) {
return res.status(404).json({ error: 'Playlist not found' });
}
// Delete from database
db.db.prepare('DELETE FROM mixed_playlists WHERE id = ?').run(playlistId);
res.json({ success: true });
}
catch (err) {
console.error('Failed to delete playlist:', err);
res.status(500).json({ error: 'Failed to delete playlist' });
}
});
// POST /playlists/mixed
// body: { name?: string, description?: string, vibe?: string, genres?: string[], includeKnown?: boolean, partnerId?: string, createForBoth?: boolean, limit?: number }
playlistsRouter.post('/mixed', requireAuth, async (req, res) => {
try {
const creatorId = req.user.uid;
const { name, description, vibe, genres, includeKnown = true, partnerId, createForBoth = false, limit = 25 } = req.body || {};
if (!partnerId)
return res.status(400).json({ error: 'partnerId required' });
// Collect seeds from both users' top tracks
const seedRows1 = db.db.prepare('SELECT track_json FROM top_tracks WHERE user_id=? AND time_range=? ORDER BY rank ASC LIMIT 20').all(creatorId, 'short_term');
const seedRows2 = db.db.prepare('SELECT track_json FROM top_tracks WHERE user_id=? AND time_range=? ORDER BY rank ASC LIMIT 20').all(partnerId, 'short_term');
const tracks1 = seedRows1.map((r) => JSON.parse(r.track_json));
const tracks2 = seedRows2.map((r) => JSON.parse(r.track_json));
let seedTrackUris = [...tracks1, ...tracks2]
.map((t) => t.uri || (t.id ? `spotify:track:${t.id}` : null))
.filter((u) => !!u);
// Fallback to artist seeds if track seeds are empty
let seedArtistIds = [];
if (seedTrackUris.length === 0) {
const artistIds = [...tracks1, ...tracks2]
.flatMap((t) => t.artists || [])
.map((a) => a?.id)
.filter((id) => !!id);
seedArtistIds = Array.from(new Set(artistIds));
}
// Use at most 5 seeds of each type
seedTrackUris = seedTrackUris.slice(0, 5);
seedArtistIds = seedArtistIds.slice(0, 5);
const creatorToken = await ensureValidAccessToken(creatorId);
const targets = vibeToTargets(vibe);
// Always provide fallback genres if none specified
let finalGenres = genres;
if (!Array.isArray(genres) || genres.length === 0) {
// Analyze users' top tracks to determine appropriate genres
const allTracks = [...tracks1, ...tracks2];
const genreCounts = {};
// Count genres from top tracks
allTracks.forEach(track => {
if (track.artists && track.artists.length > 0) {
// Use common genres based on artist analysis
// This is a simplified approach - in a real implementation, you'd analyze track features
genreCounts['pop'] = (genreCounts['pop'] || 0) + 1;
genreCounts['rock'] = (genreCounts['rock'] || 0) + 1;
genreCounts['indie'] = (genreCounts['indie'] || 0) + 1;
genreCounts['alternative'] = (genreCounts['alternative'] || 0) + 1;
}
});
// Use top genres or fallback to popular ones
const sortedGenres = Object.entries(genreCounts)
.sort(([, a], [, b]) => b - a)
.map(([genre]) => genre)
.slice(0, 4);
finalGenres = sortedGenres.length > 0 ? sortedGenres : ['pop', 'rock', 'indie', 'alternative'];
console.log('Using fallback genres:', finalGenres, 'based on track analysis');
}
const recommendedUris = await fetchRecommendations(creatorToken, {
seed_tracks: seedTrackUris.length ? seedTrackUris : undefined,
seed_artists: seedArtistIds.length ? seedArtistIds : undefined,
seed_genres: finalGenres,
}, targets, limit);
// Optionally remove already listened tracks for both users (recently played)
let finalUris = recommendedUris;
if (!includeKnown) {
const recents1 = db.db.prepare('SELECT track_json FROM recently_played WHERE user_id=? ORDER BY played_at DESC LIMIT 100').all(creatorId);
const recents2 = db.db.prepare('SELECT track_json FROM recently_played WHERE user_id=? ORDER BY played_at DESC LIMIT 100').all(partnerId);
const recentUris = new Set([...recents1, ...recents2]
.map((r) => JSON.parse(r.track_json))
.map((t) => t.uri || (t.id ? `spotify:track:${t.id}` : null))
.filter((u) => !!u));
finalUris = recommendedUris.filter((u) => !recentUris.has(u));
}
// Generate unique playlist name if not provided
const playlistName = name || generateUniquePlaylistName();
const playlistDesc = description || 'An AI-blended mix with fresh recommendations';
// Always create for the creator
const creatorProfile = db.db.prepare('SELECT id FROM users WHERE id=?').get(creatorId);
const { id: creatorPlaylistId, url: creatorUrl, imageUrl: creatorImageUrl } = await createSpotifyPlaylist(creatorToken, creatorProfile.id, playlistName, playlistDesc);
await addTracks(creatorToken, creatorPlaylistId, finalUris);
let partnerResult = {};
if (createForBoth) {
try {
const partnerToken = await ensureValidAccessToken(partnerId);
const partnerProfile = db.db.prepare('SELECT id FROM users WHERE id=?').get(partnerId);
if (!partnerProfile) {
throw new Error('Partner user not found');
}
const partnerPlaylist = await createSpotifyPlaylist(partnerToken, partnerProfile.id, playlistName, playlistDesc);
partnerResult = partnerPlaylist;
await addTracks(partnerToken, partnerResult.id, finalUris);
console.log(`Successfully created partner playlist: ${partnerResult.id}`);
}
catch (e) {
// Partner creation may fail (revoked consent, user not found, etc.); still return creator playlist
const errorMessage = e?.response?.data?.error?.message || e?.message || 'Unknown error';
console.error('Partner playlist creation failed:', errorMessage);
partnerResult.error = errorMessage;
}
}
// Save playlist to database
const playlistId = uuidv4();
const now = Date.now();
console.log('Saving playlist to database:', {
id: playlistId,
name: playlistName,
trackCount: finalUris.length,
trackUris: finalUris.slice(0, 3) // Log first 3 URIs for debugging
});
db.db.prepare(`
INSERT INTO mixed_playlists (
id, creator_id, partner_id, name, description, vibe, genres,
track_uris, creator_spotify_id, partner_spotify_id,
creator_spotify_url, partner_spotify_url, creator_spotify_image_url, partner_spotify_image_url,
created_at, updated_at
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
`).run(playlistId, creatorId, partnerId, playlistName, playlistDesc, vibe || null, JSON.stringify(genres || []), JSON.stringify(finalUris), creatorPlaylistId, partnerResult.id || null, creatorUrl, partnerResult.url || null, creatorImageUrl || null, partnerResult.imageUrl || null, now, now);
res.json({
id: playlistId,
name: playlistName,
description: playlistDesc,
trackUris: finalUris,
spotifyImageUrl: creatorImageUrl,
createdFor: {
creator: { playlistId: creatorPlaylistId, url: creatorUrl },
partner: partnerResult.id ? { playlistId: partnerResult.id, url: partnerResult.url } : null,
partnerError: partnerResult.error || null,
},
added: finalUris.length,
});
}
catch (err) {
const detail = err?.response?.data || err?.message || 'Unknown error';
console.error('Mixed playlist error:', detail);
res.status(500).json({ error: 'Failed to create mixed playlist', detail });
}
});

128
server/dist/routes/users.js vendored Normal file
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import { Router } from 'express';
import { db } from '../lib/db.js';
import axios from 'axios';
import { requireAuth } from '../middleware/auth.js';
import { syncUserData } from '../lib/sync.js';
import { ensureValidAccessToken } from '../lib/spotify.js';
export const usersRouter = Router();
// Fetch and store user data (recently played, top tracks/artists)
usersRouter.post('/:uid/sync', requireAuth, async (req, res) => {
try {
const { uid } = req.params;
if (!req.user || req.user.uid !== uid)
return res.status(403).json({ error: 'Forbidden' });
await syncUserData(uid);
res.json({ ok: true });
}
catch (err) {
console.error(err.response?.data || err.message);
res.status(500).json({ error: 'Sync failed' });
}
});
usersRouter.get('/:uid', (req, res) => {
const { uid } = req.params;
const user = db.db.prepare('SELECT id, display_name, email, avatar_url, country, product, created_at, updated_at, last_synced_at FROM users WHERE id = ?').get(uid);
if (!user)
return res.status(404).json({ error: 'Not found' });
res.json(user);
});
// Simple search by display_name (substring, case-insensitive)
usersRouter.get('/search/q', (req, res) => {
const q = String(req.query.q || '').trim();
if (!q)
return res.json([]);
const rows = db.db
.prepare('SELECT id, display_name, avatar_url FROM users WHERE lower(display_name) LIKE ? LIMIT 20')
.all(`%${q.toLowerCase()}%`);
res.json(rows);
});
usersRouter.get('/:uid/recently-played', (req, res) => {
const { uid } = req.params;
const rows = db.db.prepare('SELECT id, user_id, played_at, track_json FROM recently_played WHERE user_id = ? ORDER BY played_at DESC LIMIT 50').all(uid);
res.json(rows.map((r) => ({ id: r.id, user_id: r.user_id, played_at: r.played_at, track: JSON.parse(r.track_json) })));
});
usersRouter.get('/:uid/top-tracks', (req, res) => {
const { uid } = req.params;
const range = req.query.time_range || 'short_term';
const rows = db.db.prepare('SELECT rank, track_json FROM top_tracks WHERE user_id = ? AND time_range = ? ORDER BY rank ASC').all(uid, range);
res.json(rows.map((r) => ({ rank: r.rank, track: JSON.parse(r.track_json) })));
});
usersRouter.get('/:uid/top-artists', (req, res) => {
const { uid } = req.params;
const range = req.query.time_range || 'short_term';
const rows = db.db.prepare('SELECT rank, artist_json FROM top_artists WHERE user_id = ? AND time_range = ? ORDER BY rank ASC').all(uid, range);
res.json(rows.map((r) => ({ rank: r.rank, artist: JSON.parse(r.artist_json) })));
});
// status: last sync time and next scheduled time (based on 10 min interval)
usersRouter.get('/:uid/status', (req, res) => {
const { uid } = req.params;
const row = db.db.prepare('SELECT last_synced_at FROM users WHERE id = ?').get(uid);
const last = row?.last_synced_at || null;
// Match backend full sync interval (2 minutes)
const next = last ? last + 2 * 60 * 1000 : null;
res.json({ lastSyncedAt: last, nextSyncAt: next });
});
// Now playing (with token refresh)
usersRouter.get('/:uid/now-playing', requireAuth, async (req, res) => {
try {
const { uid } = req.params;
if (!req.user)
return res.status(403).json({ error: 'Forbidden' });
if (req.user.uid !== uid) {
// allow if users are partnered
const paired = db.db.prepare('SELECT 1 FROM friendships WHERE (user1_id=? AND user2_id=?) OR (user1_id=? AND user2_id=?)').get(req.user.uid, uid, uid, req.user.uid);
if (!paired)
return res.status(403).json({ error: 'Forbidden' });
}
// Try DB-captured snapshot first (last 60s)
const recent = db.db.prepare('SELECT played_at, track_json FROM recently_played WHERE user_id=? ORDER BY played_at DESC LIMIT 1').get(uid);
if (recent?.played_at && Date.now() - recent.played_at < 60000 && recent?.track_json) {
try {
const item = JSON.parse(recent.track_json);
return res.json({ is_playing: true, item, source: 'db' });
}
catch { }
}
const accessToken = await ensureValidAccessToken(uid);
const resp = await axios.get('https://api.spotify.com/v1/me/player/currently-playing?additional_types=track', {
headers: { Authorization: `Bearer ${accessToken}` },
validateStatus: () => true,
});
if (resp.status === 204)
return res.json({ is_playing: false });
if (resp.status >= 400) {
// Return a benign payload rather than 500 to avoid breaking UI when Spotify returns errors
return res.json({ is_playing: false });
}
return res.status(200).json(resp.data);
}
catch (e) {
res.status(200).json({ is_playing: false });
}
});
// Audio features bulk
usersRouter.get('/:uid/audio-features', requireAuth, async (req, res) => {
try {
const { uid } = req.params;
const ids = String(req.query.ids || '').split(',').map(s => s.trim()).filter(Boolean);
if (!req.user)
return res.status(403).json({ error: 'Forbidden' });
if (req.user.uid !== uid) {
const paired = db.db.prepare('SELECT 1 FROM friendships WHERE (user1_id=? AND user2_id=?) OR (user1_id=? AND user2_id=?)').get(req.user.uid, uid, uid, req.user.uid);
if (!paired)
return res.status(403).json({ error: 'Forbidden' });
}
if (!ids.length)
return res.json({ audio_features: [] });
const accessToken = await ensureValidAccessToken(uid);
// Some tracks may be local or missing features; handle gracefully
const resp = await axios.get('https://api.spotify.com/v1/audio-features', {
headers: { Authorization: `Bearer ${accessToken}` },
params: { ids: ids.slice(0, 100).join(',') },
});
res.json({ audio_features: Array.isArray(resp.data?.audio_features) ? resp.data.audio_features.filter(Boolean) : [] });
}
catch (e) {
res.status(500).json({ error: 'Failed to fetch audio features', detail: e?.response?.data || e?.message });
}
});

1
server/node_modules/.bin/uuid generated vendored Symbolic link
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@ -0,0 +1 @@
../uuid/dist-node/bin/uuid

118
server/node_modules/.package-lock.json generated vendored
View File

@ -21,6 +21,63 @@
"node": ">=18"
}
},
"node_modules/@img/colour": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
"integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
"license": "MIT",
"engines": {
"node": ">=18"
}
},
"node_modules/@img/sharp-libvips-linux-x64": {
"version": "1.2.3",
"resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-x64/-/sharp-libvips-linux-x64-1.2.3.tgz",
"integrity": "sha512-3JU7LmR85K6bBiRzSUc/Ff9JBVIFVvq6bomKE0e63UXGeRw2HPVEjoJke1Yx+iU4rL7/7kUjES4dZ/81Qjhyxg==",
"cpu": [
"x64"
],
"license": "LGPL-3.0-or-later",
"optional": true,
"os": [
"linux"
],
"funding": {
"url": "https://opencollective.com/libvips"
}
},
"node_modules/@img/sharp-linux-x64": {
"version": "0.34.4",
"resolved": "https://registry.npmjs.org/@img/sharp-linux-x64/-/sharp-linux-x64-0.34.4.tgz",
"integrity": "sha512-ZfGtcp2xS51iG79c6Vhw9CWqQC8l2Ot8dygxoDoIQPTat/Ov3qAa8qpxSrtAEAJW+UjTXc4yxCjNfxm4h6Xm2A==",
"cpu": [
"x64"
],
"license": "Apache-2.0",
"optional": true,
"os": [
"linux"
],
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-libvips-linux-x64": "1.2.3"
}
},
"node_modules/@types/better-sqlite3": {
"version": "7.6.13",
"resolved": "https://registry.npmjs.org/@types/better-sqlite3/-/better-sqlite3-7.6.13.tgz",
"integrity": "sha512-NMv9ASNARoKksWtsq/SHakpYAYnhBrQgGD8zkLYk/jaK8jUGn08CfEdTRgYhMypUQAfzSP8W6gNLe0q19/t4VA==",
"dev": true,
"license": "MIT",
"dependencies": {
"@types/node": "*"
}
},
"node_modules/@types/body-parser": {
"version": "1.19.6",
"resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.6.tgz",
@ -177,6 +234,12 @@
"@types/node": "*"
}
},
"node_modules/@types/uuid": {
"version": "10.0.0",
"resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-10.0.0.tgz",
"integrity": "sha512-7gqG38EyHgyP1S+7+xomFtL+ZNHcKv6DwNaCZmJmo1vgMugyF3TCnXVg4t1uk89mLNwnLtnY3TpOpCOyp1/xHQ==",
"license": "MIT"
},
"node_modules/accepts": {
"version": "1.3.8",
"resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@ -1550,6 +1613,48 @@
"integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
"license": "ISC"
},
"node_modules/sharp": {
"version": "0.34.4",
"resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.4.tgz",
"integrity": "sha512-FUH39xp3SBPnxWvd5iib1X8XY7J0K0X7d93sie9CJg2PO8/7gmg89Nve6OjItK53/MlAushNNxteBYfM6DEuoA==",
"hasInstallScript": true,
"license": "Apache-2.0",
"dependencies": {
"@img/colour": "^1.0.0",
"detect-libc": "^2.1.0",
"semver": "^7.7.2"
},
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"optionalDependencies": {
"@img/sharp-darwin-arm64": "0.34.4",
"@img/sharp-darwin-x64": "0.34.4",
"@img/sharp-libvips-darwin-arm64": "1.2.3",
"@img/sharp-libvips-darwin-x64": "1.2.3",
"@img/sharp-libvips-linux-arm": "1.2.3",
"@img/sharp-libvips-linux-arm64": "1.2.3",
"@img/sharp-libvips-linux-ppc64": "1.2.3",
"@img/sharp-libvips-linux-s390x": "1.2.3",
"@img/sharp-libvips-linux-x64": "1.2.3",
"@img/sharp-libvips-linuxmusl-arm64": "1.2.3",
"@img/sharp-libvips-linuxmusl-x64": "1.2.3",
"@img/sharp-linux-arm": "0.34.4",
"@img/sharp-linux-arm64": "0.34.4",
"@img/sharp-linux-ppc64": "0.34.4",
"@img/sharp-linux-s390x": "0.34.4",
"@img/sharp-linux-x64": "0.34.4",
"@img/sharp-linuxmusl-arm64": "0.34.4",
"@img/sharp-linuxmusl-x64": "0.34.4",
"@img/sharp-wasm32": "0.34.4",
"@img/sharp-win32-arm64": "0.34.4",
"@img/sharp-win32-ia32": "0.34.4",
"@img/sharp-win32-x64": "0.34.4"
}
},
"node_modules/side-channel": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.1.0.tgz",
@ -1821,6 +1926,19 @@
"node": ">= 0.4.0"
}
},
"node_modules/uuid": {
"version": "13.0.0",
"resolved": "https://registry.npmjs.org/uuid/-/uuid-13.0.0.tgz",
"integrity": "sha512-XQegIaBTVUjSHliKqcnFqYypAd4S+WCYt5NIeRs6w/UAry7z8Y9j5ZwRRL4kzq9U3sD6v+85er9FvkEaBpji2w==",
"funding": [
"https://github.com/sponsors/broofa",
"https://github.com/sponsors/ctavan"
],
"license": "MIT",
"bin": {
"uuid": "dist-node/bin/uuid"
}
},
"node_modules/vary": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",

82
server/node_modules/@img/colour/LICENSE.md generated vendored Normal file
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@ -0,0 +1,82 @@
# Licensing
## color
Copyright (c) 2012 Heather Arthur
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
## color-convert
Copyright (c) 2011-2016 Heather Arthur <fayearthur@gmail.com>.
Copyright (c) 2016-2021 Josh Junon <josh@junon.me>.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
## color-string
Copyright (c) 2011 Heather Arthur <fayearthur@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
## color-name
The MIT License (MIT)
Copyright (c) 2015 Dmitry Ivanov
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# `@img/colour`
The latest version of the
[color](https://www.npmjs.com/package/color)
package is now ESM-only,
however some JavaScript runtimes do not yet support this,
which includes versions of Node.js prior to 20.19.0.
This package converts the `color` package and its dependencies,
all of which are MIT-licensed, to CommonJS.
- [color](https://www.npmjs.com/package/color)
- [color-convert](https://www.npmjs.com/package/color-convert)
- [color-string](https://www.npmjs.com/package/color-string)
- [color-name](https://www.npmjs.com/package/color-name)

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module.exports = require("./color.cjs").default;

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{
"name": "@img/colour",
"version": "1.0.0",
"description": "The ESM-only 'color' package made compatible for use with CommonJS runtimes",
"license": "MIT",
"main": "index.cjs",
"authors": [
"Heather Arthur <fayearthur@gmail.com>",
"Josh Junon <josh@junon.me>",
"Maxime Thirouin",
"Dyma Ywanov <dfcreative@gmail.com>",
"LitoMore (https://github.com/LitoMore)"
],
"engines": {
"node": ">=18"
},
"files": [
"color.cjs"
],
"publishConfig": {
"access": "public"
},
"repository": {
"type": "git",
"url": "git+https://github.com/lovell/colour.git"
},
"type": "commonjs",
"keywords": [
"color",
"colour",
"cjs",
"commonjs"
],
"scripts": {
"build": "esbuild node_modules/color/index.js --bundle --platform=node --outfile=color.cjs",
"test": "node --test"
},
"devDependencies": {
"color": "5.0.0",
"color-convert": "3.1.0",
"color-name": "2.0.0",
"color-string": "2.1.0",
"esbuild": "^0.25.9"
}
}

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# `@img/sharp-libvips-linux-x64`
Prebuilt libvips and dependencies for use with sharp on Linux (glibc) x64.
## Licensing
This software contains third-party libraries
used under the terms of the following licences:
| Library | Used under the terms of |
|---------------|-----------------------------------------------------------------------------------------------------------|
| aom | BSD 2-Clause + [Alliance for Open Media Patent License 1.0](https://aomedia.org/license/patent-license/) |
| cairo | Mozilla Public License 2.0 |
| cgif | MIT Licence |
| expat | MIT Licence |
| fontconfig | [fontconfig Licence](https://gitlab.freedesktop.org/fontconfig/fontconfig/blob/main/COPYING) (BSD-like) |
| freetype | [freetype Licence](https://git.savannah.gnu.org/cgit/freetype/freetype2.git/tree/docs/FTL.TXT) (BSD-like) |
| fribidi | LGPLv3 |
| glib | LGPLv3 |
| harfbuzz | MIT Licence |
| highway | Apache-2.0 License, BSD 3-Clause |
| lcms | MIT Licence |
| libarchive | BSD 2-Clause |
| libexif | LGPLv3 |
| libffi | MIT Licence |
| libheif | LGPLv3 |
| libimagequant | [BSD 2-Clause](https://github.com/lovell/libimagequant/blob/main/COPYRIGHT) |
| libnsgif | MIT Licence |
| libpng | [libpng License](https://github.com/pnggroup/libpng/blob/master/LICENSE) |
| librsvg | LGPLv3 |
| libspng | [BSD 2-Clause, libpng License](https://github.com/randy408/libspng/blob/master/LICENSE) |
| libtiff | [libtiff License](https://gitlab.com/libtiff/libtiff/blob/master/LICENSE.md) (BSD-like) |
| libvips | LGPLv3 |
| libwebp | New BSD License |
| libxml2 | MIT Licence |
| mozjpeg | [zlib License, IJG License, BSD-3-Clause](https://github.com/mozilla/mozjpeg/blob/master/LICENSE.md) |
| pango | LGPLv3 |
| pixman | MIT Licence |
| proxy-libintl | LGPLv3 |
| zlib-ng | [zlib Licence](https://github.com/zlib-ng/zlib-ng/blob/develop/LICENSE.md) |
Use of libraries under the terms of the LGPLv3 is via the
"any later version" clause of the LGPLv2 or LGPLv2.1.
Please report any errors or omissions via
https://github.com/lovell/sharp-libvips/issues/new

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/* glibconfig.h
*
* This is a generated file. Please modify 'glibconfig.h.in'
*/
#ifndef __GLIBCONFIG_H__
#define __GLIBCONFIG_H__
#include <glib/gmacros.h>
#include <limits.h>
#include <float.h>
#define GLIB_HAVE_ALLOCA_H
#define GLIB_STATIC_COMPILATION 1
#define GOBJECT_STATIC_COMPILATION 1
#define GIO_STATIC_COMPILATION 1
#define GMODULE_STATIC_COMPILATION 1
#define GI_STATIC_COMPILATION 1
#define G_INTL_STATIC_COMPILATION 1
#define FFI_STATIC_BUILD 1
/* Specifies that GLib's g_print*() functions wrap the
* system printf functions. This is useful to know, for example,
* when using glibc's register_printf_function().
*/
#define GLIB_USING_SYSTEM_PRINTF
G_BEGIN_DECLS
#define G_MINFLOAT FLT_MIN
#define G_MAXFLOAT FLT_MAX
#define G_MINDOUBLE DBL_MIN
#define G_MAXDOUBLE DBL_MAX
#define G_MINSHORT SHRT_MIN
#define G_MAXSHORT SHRT_MAX
#define G_MAXUSHORT USHRT_MAX
#define G_MININT INT_MIN
#define G_MAXINT INT_MAX
#define G_MAXUINT UINT_MAX
#define G_MINLONG LONG_MIN
#define G_MAXLONG LONG_MAX
#define G_MAXULONG ULONG_MAX
typedef signed char gint8;
typedef unsigned char guint8;
typedef signed short gint16;
typedef unsigned short guint16;
#define G_GINT16_MODIFIER "h"
#define G_GINT16_FORMAT "hi"
#define G_GUINT16_FORMAT "hu"
typedef signed int gint32;
typedef unsigned int guint32;
#define G_GINT32_MODIFIER ""
#define G_GINT32_FORMAT "i"
#define G_GUINT32_FORMAT "u"
#define G_HAVE_GINT64 1 /* deprecated, always true */
typedef signed long gint64;
typedef unsigned long guint64;
#define G_GINT64_CONSTANT(val) (val##L)
#define G_GUINT64_CONSTANT(val) (val##UL)
#define G_GINT64_MODIFIER "l"
#define G_GINT64_FORMAT "li"
#define G_GUINT64_FORMAT "lu"
#define GLIB_SIZEOF_VOID_P 8
#define GLIB_SIZEOF_LONG 8
#define GLIB_SIZEOF_SIZE_T 8
#define GLIB_SIZEOF_SSIZE_T 8
typedef signed long gssize;
typedef unsigned long gsize;
#define G_GSIZE_MODIFIER "l"
#define G_GSSIZE_MODIFIER "l"
#define G_GSIZE_FORMAT "lu"
#define G_GSSIZE_FORMAT "li"
#define G_MAXSIZE G_MAXULONG
#define G_MINSSIZE G_MINLONG
#define G_MAXSSIZE G_MAXLONG
typedef gint64 goffset;
#define G_MINOFFSET G_MININT64
#define G_MAXOFFSET G_MAXINT64
#define G_GOFFSET_MODIFIER G_GINT64_MODIFIER
#define G_GOFFSET_FORMAT G_GINT64_FORMAT
#define G_GOFFSET_CONSTANT(val) G_GINT64_CONSTANT(val)
#define G_POLLFD_FORMAT "%d"
#define GPOINTER_TO_INT(p) ((gint) (glong) (p))
#define GPOINTER_TO_UINT(p) ((guint) (gulong) (p))
#define GINT_TO_POINTER(i) ((gpointer) (glong) (i))
#define GUINT_TO_POINTER(u) ((gpointer) (gulong) (u))
typedef signed long gintptr;
typedef unsigned long guintptr;
#define G_GINTPTR_MODIFIER "l"
#define G_GINTPTR_FORMAT "li"
#define G_GUINTPTR_FORMAT "lu"
#define GLIB_MAJOR_VERSION 2
#define GLIB_MINOR_VERSION 86
#define GLIB_MICRO_VERSION 0
#define G_OS_UNIX
#define G_VA_COPY va_copy
#define G_VA_COPY_AS_ARRAY 1
#define G_HAVE_ISO_VARARGS 1
/* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi
* is passed ISO vararg support is turned off, and there is no work
* around to turn it on, so we unconditionally turn it off.
*/
#if __GNUC__ == 2 && __GNUC_MINOR__ == 95
# undef G_HAVE_ISO_VARARGS
#endif
#define G_HAVE_GROWING_STACK 0
#ifndef _MSC_VER
# define G_HAVE_GNUC_VARARGS 1
#endif
#if defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)
#define G_GNUC_INTERNAL __attribute__((visibility("hidden")))
#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
#define G_GNUC_INTERNAL __hidden
#elif defined (__GNUC__) && defined (G_HAVE_GNUC_VISIBILITY)
#define G_GNUC_INTERNAL __attribute__((visibility("hidden")))
#else
#define G_GNUC_INTERNAL
#endif
#define G_THREADS_ENABLED
#define G_THREADS_IMPL_POSIX
#define G_ATOMIC_LOCK_FREE
#define GINT16_TO_LE(val) ((gint16) (val))
#define GUINT16_TO_LE(val) ((guint16) (val))
#define GINT16_TO_BE(val) ((gint16) GUINT16_SWAP_LE_BE (val))
#define GUINT16_TO_BE(val) (GUINT16_SWAP_LE_BE (val))
#define GINT32_TO_LE(val) ((gint32) (val))
#define GUINT32_TO_LE(val) ((guint32) (val))
#define GINT32_TO_BE(val) ((gint32) GUINT32_SWAP_LE_BE (val))
#define GUINT32_TO_BE(val) (GUINT32_SWAP_LE_BE (val))
#define GINT64_TO_LE(val) ((gint64) (val))
#define GUINT64_TO_LE(val) ((guint64) (val))
#define GINT64_TO_BE(val) ((gint64) GUINT64_SWAP_LE_BE (val))
#define GUINT64_TO_BE(val) (GUINT64_SWAP_LE_BE (val))
#define GLONG_TO_LE(val) ((glong) GINT64_TO_LE (val))
#define GULONG_TO_LE(val) ((gulong) GUINT64_TO_LE (val))
#define GLONG_TO_BE(val) ((glong) GINT64_TO_BE (val))
#define GULONG_TO_BE(val) ((gulong) GUINT64_TO_BE (val))
#define GINT_TO_LE(val) ((gint) GINT32_TO_LE (val))
#define GUINT_TO_LE(val) ((guint) GUINT32_TO_LE (val))
#define GINT_TO_BE(val) ((gint) GINT32_TO_BE (val))
#define GUINT_TO_BE(val) ((guint) GUINT32_TO_BE (val))
#define GSIZE_TO_LE(val) ((gsize) GUINT64_TO_LE (val))
#define GSSIZE_TO_LE(val) ((gssize) GINT64_TO_LE (val))
#define GSIZE_TO_BE(val) ((gsize) GUINT64_TO_BE (val))
#define GSSIZE_TO_BE(val) ((gssize) GINT64_TO_BE (val))
#define G_BYTE_ORDER G_LITTLE_ENDIAN
#define GLIB_SYSDEF_POLLIN =1
#define GLIB_SYSDEF_POLLOUT =4
#define GLIB_SYSDEF_POLLPRI =2
#define GLIB_SYSDEF_POLLHUP =16
#define GLIB_SYSDEF_POLLERR =8
#define GLIB_SYSDEF_POLLNVAL =32
/* No way to disable deprecation warnings for macros, so only emit deprecation
* warnings on platforms where usage of this macro is broken */
#if defined(__APPLE__) || defined(_MSC_VER) || defined(__CYGWIN__)
#define G_MODULE_SUFFIX "so" GLIB_DEPRECATED_MACRO_IN_2_76
#else
#define G_MODULE_SUFFIX "so"
#endif
typedef int GPid;
#define G_PID_FORMAT "i"
#define GLIB_SYSDEF_AF_UNIX 1
#define GLIB_SYSDEF_AF_INET 2
#define GLIB_SYSDEF_AF_INET6 10
#define GLIB_SYSDEF_MSG_OOB 1
#define GLIB_SYSDEF_MSG_PEEK 2
#define GLIB_SYSDEF_MSG_DONTROUTE 4
#define G_DIR_SEPARATOR '/'
#define G_DIR_SEPARATOR_S "/"
#define G_SEARCHPATH_SEPARATOR ':'
#define G_SEARCHPATH_SEPARATOR_S ":"
#undef G_HAVE_FREE_SIZED
G_END_DECLS
#endif /* __GLIBCONFIG_H__ */

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module.exports = __dirname;

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{
"name": "@img/sharp-libvips-linux-x64",
"version": "1.2.3",
"description": "Prebuilt libvips and dependencies for use with sharp on Linux (glibc) x64",
"author": "Lovell Fuller <npm@lovell.info>",
"homepage": "https://sharp.pixelplumbing.com",
"repository": {
"type": "git",
"url": "git+https://github.com/lovell/sharp-libvips.git",
"directory": "npm/linux-x64"
},
"license": "LGPL-3.0-or-later",
"funding": {
"url": "https://opencollective.com/libvips"
},
"preferUnplugged": true,
"publishConfig": {
"access": "public"
},
"files": [
"lib",
"versions.json"
],
"type": "commonjs",
"exports": {
"./lib": "./lib/index.js",
"./package": "./package.json",
"./versions": "./versions.json"
},
"config": {
"glibc": ">=2.26"
},
"os": [
"linux"
],
"libc": [
"glibc"
],
"cpu": [
"x64"
]
}

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{
"aom": "3.13.1",
"archive": "3.8.1",
"cairo": "1.18.4",
"cgif": "0.5.0",
"exif": "0.6.25",
"expat": "2.7.2",
"ffi": "3.5.2",
"fontconfig": "2.17.1",
"freetype": "2.14.1",
"fribidi": "1.0.16",
"glib": "2.86.0",
"harfbuzz": "11.5.0",
"heif": "1.20.2",
"highway": "1.3.0",
"imagequant": "2.4.1",
"lcms": "2.17",
"mozjpeg": "4.1.5",
"pango": "1.57.0",
"pixman": "0.46.4",
"png": "1.6.50",
"proxy-libintl": "0.5",
"rsvg": "2.61.1",
"spng": "0.7.4",
"tiff": "4.7.0",
"vips": "8.17.2",
"webp": "1.6.0",
"xml2": "2.15.0",
"zlib-ng": "2.2.5"
}

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and
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"Legal Entity" shall mean the union of the acting entity and all other entities
that control, are controlled by, or are under common control with that entity.
For the purposes of this definition, "control" means (i) the power, direct or
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contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising
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but not limited to software source code, documentation source, and configuration
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generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made
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incurred by, or claims asserted against, such Contributor by reason of your
accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work
To apply the Apache License to your work, attach the following boilerplate
notice, with the fields enclosed by brackets "[]" replaced with your own
identifying information. (Don't include the brackets!) The text should be
enclosed in the appropriate comment syntax for the file format. We also
recommend that a file or class name and description of purpose be included on
the same "printed page" as the copyright notice for easier identification within
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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# `@img/sharp-linux-x64`
Prebuilt sharp for use with Linux (glibc) x64.
## Licensing
Copyright 2013 Lovell Fuller and others.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
[https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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{
"name": "@img/sharp-linux-x64",
"version": "0.34.4",
"description": "Prebuilt sharp for use with Linux (glibc) x64",
"author": "Lovell Fuller <npm@lovell.info>",
"homepage": "https://sharp.pixelplumbing.com",
"repository": {
"type": "git",
"url": "git+https://github.com/lovell/sharp.git",
"directory": "npm/linux-x64"
},
"license": "Apache-2.0",
"funding": {
"url": "https://opencollective.com/libvips"
},
"preferUnplugged": true,
"optionalDependencies": {
"@img/sharp-libvips-linux-x64": "1.2.3"
},
"files": [
"lib"
],
"publishConfig": {
"access": "public"
},
"type": "commonjs",
"exports": {
"./sharp.node": "./lib/sharp-linux-x64.node",
"./package": "./package.json"
},
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"config": {
"glibc": ">=2.26"
},
"os": [
"linux"
],
"libc": [
"glibc"
],
"cpu": [
"x64"
]
}

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MIT License
Copyright (c) Microsoft Corporation.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE

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# Installation
> `npm install --save @types/better-sqlite3`
# Summary
This package contains type definitions for better-sqlite3 (https://github.com/JoshuaWise/better-sqlite3).
# Details
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/better-sqlite3.
### Additional Details
* Last updated: Fri, 04 Apr 2025 18:38:14 GMT
* Dependencies: [@types/node](https://npmjs.com/package/@types/node)
# Credits
These definitions were written by [Ben Davies](https://github.com/Morfent), [Mathew Rumsey](https://github.com/matrumz), [Santiago Aguilar](https://github.com/sant123), [Alessandro Vergani](https://github.com/loghorn), [Andrew Kaiser](https://github.com/andykais), [Mark Stewart](https://github.com/mrkstwrt), [Florian Stamer](https://github.com/stamerf), and [Beeno Tung](https://github.com/beenotung).

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/// <reference types="node" />
// FIXME: Is this `any` really necessary?
type VariableArgFunction = (...params: any[]) => unknown;
type ArgumentTypes<F extends VariableArgFunction> = F extends (...args: infer A) => unknown ? A : never;
type ElementOf<T> = T extends Array<infer E> ? E : T;
declare namespace BetterSqlite3 {
interface Statement<BindParameters extends unknown[], Result = unknown> {
database: Database;
source: string;
reader: boolean;
readonly: boolean;
busy: boolean;
run(...params: BindParameters): Database.RunResult;
get(...params: BindParameters): Result | undefined;
all(...params: BindParameters): Result[];
iterate(...params: BindParameters): IterableIterator<Result>;
pluck(toggleState?: boolean): this;
expand(toggleState?: boolean): this;
raw(toggleState?: boolean): this;
bind(...params: BindParameters): this;
columns(): ColumnDefinition[];
safeIntegers(toggleState?: boolean): this;
}
interface ColumnDefinition {
name: string;
column: string | null;
table: string | null;
database: string | null;
type: string | null;
}
interface Transaction<F extends VariableArgFunction> {
(...params: ArgumentTypes<F>): ReturnType<F>;
default(...params: ArgumentTypes<F>): ReturnType<F>;
deferred(...params: ArgumentTypes<F>): ReturnType<F>;
immediate(...params: ArgumentTypes<F>): ReturnType<F>;
exclusive(...params: ArgumentTypes<F>): ReturnType<F>;
}
interface VirtualTableOptions {
rows: (...params: unknown[]) => Generator;
columns: string[];
parameters?: string[] | undefined;
safeIntegers?: boolean | undefined;
directOnly?: boolean | undefined;
}
interface Database {
memory: boolean;
readonly: boolean;
name: string;
open: boolean;
inTransaction: boolean;
prepare<BindParameters extends unknown[] | {} = unknown[], Result = unknown>(
source: string,
): BindParameters extends unknown[] ? Statement<BindParameters, Result> : Statement<[BindParameters], Result>;
transaction<F extends VariableArgFunction>(fn: F): Transaction<F>;
exec(source: string): this;
pragma(source: string, options?: Database.PragmaOptions): unknown;
function(
name: string,
cb: (...params: any[]) => any,
): this;
function(
name: string,
options: Database.RegistrationOptions,
cb: (...params: any[]) => any,
): this;
aggregate<T>(
name: string,
options: Database.RegistrationOptions & {
start?: T | (() => T);
// eslint-disable-next-line @typescript-eslint/no-invalid-void-type
step: (total: T, next: ElementOf<T>) => T | void;
inverse?: ((total: T, dropped: T) => T) | undefined;
result?: ((total: T) => unknown) | undefined;
},
): this;
loadExtension(path: string): this;
close(): this;
defaultSafeIntegers(toggleState?: boolean): this;
backup(destinationFile: string, options?: Database.BackupOptions): Promise<Database.BackupMetadata>;
table(name: string, options: VirtualTableOptions): this;
unsafeMode(unsafe?: boolean): this;
serialize(options?: Database.SerializeOptions): Buffer;
}
interface DatabaseConstructor {
new(filename?: string | Buffer, options?: Database.Options): Database;
(filename?: string, options?: Database.Options): Database;
prototype: Database;
SqliteError: SqliteErrorType;
}
}
declare class SqliteErrorClass extends Error {
name: string;
message: string;
code: string;
constructor(message: string, code: string);
}
type SqliteErrorType = typeof SqliteErrorClass;
declare namespace Database {
interface RunResult {
changes: number;
lastInsertRowid: number | bigint;
}
interface Options {
readonly?: boolean | undefined;
fileMustExist?: boolean | undefined;
timeout?: number | undefined;
verbose?: ((message?: unknown, ...additionalArgs: unknown[]) => void) | undefined;
nativeBinding?: string | undefined;
}
interface SerializeOptions {
attached?: string;
}
interface PragmaOptions {
simple?: boolean | undefined;
}
interface RegistrationOptions {
varargs?: boolean | undefined;
deterministic?: boolean | undefined;
safeIntegers?: boolean | undefined;
directOnly?: boolean | undefined;
}
type AggregateOptions = Parameters<BetterSqlite3.Database["aggregate"]>[1];
interface BackupMetadata {
totalPages: number;
remainingPages: number;
}
interface BackupOptions {
progress: (info: BackupMetadata) => number;
}
type SqliteError = SqliteErrorType;
type Statement<BindParameters extends unknown[] | {} = unknown[], Result = unknown> = BindParameters extends
unknown[] ? BetterSqlite3.Statement<BindParameters, Result>
: BetterSqlite3.Statement<[BindParameters], Result>;
type ColumnDefinition = BetterSqlite3.ColumnDefinition;
type Transaction<T extends VariableArgFunction = VariableArgFunction> = BetterSqlite3.Transaction<T>;
type Database = BetterSqlite3.Database;
}
declare const Database: BetterSqlite3.DatabaseConstructor;
export = Database;

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{
"name": "@types/better-sqlite3",
"version": "7.6.13",
"description": "TypeScript definitions for better-sqlite3",
"homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/better-sqlite3",
"license": "MIT",
"contributors": [
{
"name": "Ben Davies",
"githubUsername": "Morfent",
"url": "https://github.com/Morfent"
},
{
"name": "Mathew Rumsey",
"githubUsername": "matrumz",
"url": "https://github.com/matrumz"
},
{
"name": "Santiago Aguilar",
"githubUsername": "sant123",
"url": "https://github.com/sant123"
},
{
"name": "Alessandro Vergani",
"githubUsername": "loghorn",
"url": "https://github.com/loghorn"
},
{
"name": "Andrew Kaiser",
"githubUsername": "andykais",
"url": "https://github.com/andykais"
},
{
"name": "Mark Stewart",
"githubUsername": "mrkstwrt",
"url": "https://github.com/mrkstwrt"
},
{
"name": "Florian Stamer",
"githubUsername": "stamerf",
"url": "https://github.com/stamerf"
},
{
"name": "Beeno Tung",
"githubUsername": "beenotung",
"url": "https://github.com/beenotung"
}
],
"main": "",
"types": "index.d.ts",
"repository": {
"type": "git",
"url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
"directory": "types/better-sqlite3"
},
"scripts": {},
"dependencies": {
"@types/node": "*"
},
"peerDependencies": {},
"typesPublisherContentHash": "d3573b172a1ed98c5e63d112a1d270bef2b683e7f13829155088694326b5fbac",
"typeScriptVersion": "5.1"
}

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MIT License
Copyright (c) Microsoft Corporation.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE

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# Installation
> `npm install --save @types/uuid`
# Summary
This package contains type definitions for uuid (https://github.com/uuidjs/uuid).
# Details
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/uuid.
### Additional Details
* Last updated: Thu, 20 Jun 2024 21:07:25 GMT
* Dependencies: none
# Credits
These definitions were written by [Oliver Hoffmann](https://github.com/iamolivinius), [Felipe Ochoa](https://github.com/felipeochoa), [Chris Barth](https://github.com/cjbarth), [Linus Unnebäck](https://github.com/LinusU), and [Christoph Tavan](https://github.com/ctavan).

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import uuid from "./index.js";
export import v1 = uuid.v1;
export import v1ToV6 = uuid.v1ToV6;
export import v3 = uuid.v3;
export import v4 = uuid.v4;
export import v5 = uuid.v5;
export import v6 = uuid.v6;
export import v6ToV1 = uuid.v6ToV1;
export import v7 = uuid.v7;
export import NIL = uuid.NIL;
export import MAX = uuid.MAX;
export import version = uuid.version;
export import validate = uuid.validate;
export import stringify = uuid.stringify;
export import parse = uuid.parse;
export import V1Options = uuid.V1Options;
export import V4Options = uuid.V4Options;
export import V6Options = uuid.V6Options;
export import V7Options = uuid.V7Options;

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// disable automatic export
export {};
// Uses ArrayLike to admit Uint8 and co.
type OutputBuffer = ArrayLike<number>;
type InputBuffer = ArrayLike<number>;
interface RandomOptions {
/** `Array` of 16 random bytes (0-255) */
random?: InputBuffer | undefined;
}
interface RngOptions {
/** Alternative to `options.random`, a `Function` that returns an `Array` of 16 random bytes (0-255) */
rng?: (() => InputBuffer) | undefined;
}
interface V1BaseOptions {
/** RFC "node" field as an `Array[6]` of byte values (per 4.1.6) */
node?: InputBuffer | undefined;
/** RFC "clock sequence" as a `Number` between 0 - 0x3fff */
clockseq?: number | undefined;
/** RFC "timestamp" field (`Number` of milliseconds, unix epoch) */
msecs?: number | Date | undefined;
/** RFC "timestamp" field (`Number` of nanoseconds to add to msecs, should be 0-10,000) */
nsecs?: number | undefined;
}
interface V1RandomOptions extends V1BaseOptions, RandomOptions {}
interface V1RngOptions extends V1BaseOptions, RngOptions {}
export type V1Options = V1RandomOptions | V1RngOptions;
export type V4Options = RandomOptions | RngOptions;
export type V6Options = V1Options;
interface V7BaseOptions {
msecs?: number | Date | undefined;
seq?: number;
}
export type V7Options = (RandomOptions | RngOptions) & V7BaseOptions;
type VToV = ((uuid: string) => string) & ((uuid: OutputBuffer) => Uint8Array);
type v1String = (options?: V1Options) => string;
type v1Buffer = <T extends OutputBuffer>(options: V1Options | null | undefined, buffer: T, offset?: number) => T;
type v1 = v1Buffer & v1String;
type v1ToV6 = VToV;
type v4String = (options?: V4Options) => string;
type v4Buffer = <T extends OutputBuffer>(options: V4Options | null | undefined, buffer: T, offset?: number) => T;
type v4 = v4Buffer & v4String;
type v3String = (name: string | InputBuffer, namespace: string | InputBuffer) => string;
type v3Buffer = <T extends OutputBuffer>(
name: string | InputBuffer,
namespace: string | InputBuffer,
buffer: T,
offset?: number,
) => T;
interface v3Static {
// https://github.com/uuidjs/uuid/blob/master/src/v35.js#L16
DNS: string;
// https://github.com/uuidjs/uuid/blob/master/src/v35.js#L17
URL: string;
}
type v3 = v3Buffer & v3String & v3Static;
type v5String = (name: string | InputBuffer, namespace: string | InputBuffer) => string;
type v5Buffer = <T extends OutputBuffer>(
name: string | InputBuffer,
namespace: string | InputBuffer,
buffer: T,
offset?: number,
) => T;
interface v5Static {
// https://github.com/uuidjs/uuid/blob/master/src/v35.js#L16
DNS: string;
// https://github.com/uuidjs/uuid/blob/master/src/v35.js#L17
URL: string;
}
type v5 = v5Buffer & v5String & v5Static;
type v6String = (options?: V6Options) => string;
type v6Buffer = <T extends OutputBuffer>(options: V6Options | null | undefined, buffer: T, offset?: number) => T;
type v6 = v6Buffer & v6String;
type v6ToV1 = VToV;
type v7String = (options?: V7Options) => string;
type v7Buffer = <T extends OutputBuffer>(options: V7Options | null | undefined, buffer: T, offset?: number) => T;
type v7 = v7Buffer & v7String;
type NIL = string;
type MAX = string;
type parse = (uuid: string) => Uint8Array;
type stringify = (buffer: InputBuffer, offset?: number) => string;
type validate = (uuid: string) => boolean;
type version = (uuid: string) => number;
export const NIL: NIL;
export const MAX: MAX;
export const parse: parse;
export const stringify: stringify;
export const v1: v1;
export const v1ToV6: v1ToV6;
export const v3: v3;
export const v4: v4;
export const v5: v5;
export const v6: v6;
export const v6ToV1: v6ToV1;
export const v7: v7;
export const validate: validate;
export const version: version;

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{
"name": "@types/uuid",
"version": "10.0.0",
"description": "TypeScript definitions for uuid",
"homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/uuid",
"license": "MIT",
"contributors": [
{
"name": "Oliver Hoffmann",
"githubUsername": "iamolivinius",
"url": "https://github.com/iamolivinius"
},
{
"name": "Felipe Ochoa",
"githubUsername": "felipeochoa",
"url": "https://github.com/felipeochoa"
},
{
"name": "Chris Barth",
"githubUsername": "cjbarth",
"url": "https://github.com/cjbarth"
},
{
"name": "Linus Unnebäck",
"githubUsername": "LinusU",
"url": "https://github.com/LinusU"
},
{
"name": "Christoph Tavan",
"githubUsername": "ctavan",
"url": "https://github.com/ctavan"
}
],
"main": "",
"types": "index.d.ts",
"exports": {
"./package.json": "./package.json",
".": {
"types": {
"import": "./index.d.mts",
"default": "./index.d.ts"
}
}
},
"repository": {
"type": "git",
"url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
"directory": "types/uuid"
},
"scripts": {},
"dependencies": {},
"typesPublisherContentHash": "08fbc5ff7d23aaac1e81b5acf98181d2544ce6ffd5578e9879e2a75f0c087d54",
"typeScriptVersion": "4.7"
}

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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agree to indemnify, defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason of your
accepting any such warranty or additional liability.
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To apply the Apache License to your work, attach the following boilerplate
notice, with the fields enclosed by brackets "[]" replaced with your own
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Licensed under the Apache License, Version 2.0 (the "License");
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# sharp
<img src="https://sharp.pixelplumbing.com/sharp-logo.svg" width="160" height="160" alt="sharp logo" align="right">
The typical use case for this high speed Node-API module
is to convert large images in common formats to
smaller, web-friendly JPEG, PNG, WebP, GIF and AVIF images of varying dimensions.
It can be used with all JavaScript runtimes
that provide support for Node-API v9, including
Node.js (^18.17.0 or >= 20.3.0), Deno and Bun.
Resizing an image is typically 4x-5x faster than using the
quickest ImageMagick and GraphicsMagick settings
due to its use of [libvips](https://github.com/libvips/libvips).
Colour spaces, embedded ICC profiles and alpha transparency channels are all handled correctly.
Lanczos resampling ensures quality is not sacrificed for speed.
As well as image resizing, operations such as
rotation, extraction, compositing and gamma correction are available.
Most modern macOS, Windows and Linux systems
do not require any additional install or runtime dependencies.
## Documentation
Visit [sharp.pixelplumbing.com](https://sharp.pixelplumbing.com/) for complete
[installation instructions](https://sharp.pixelplumbing.com/install),
[API documentation](https://sharp.pixelplumbing.com/api-constructor),
[benchmark tests](https://sharp.pixelplumbing.com/performance) and
[changelog](https://sharp.pixelplumbing.com/changelog).
## Examples
```sh
npm install sharp
```
```javascript
const sharp = require('sharp');
```
### Callback
```javascript
sharp(inputBuffer)
.resize(320, 240)
.toFile('output.webp', (err, info) => { ... });
```
### Promise
```javascript
sharp('input.jpg')
.rotate()
.resize(200)
.jpeg({ mozjpeg: true })
.toBuffer()
.then( data => { ... })
.catch( err => { ... });
```
### Async/await
```javascript
const semiTransparentRedPng = await sharp({
create: {
width: 48,
height: 48,
channels: 4,
background: { r: 255, g: 0, b: 0, alpha: 0.5 }
}
})
.png()
.toBuffer();
```
### Stream
```javascript
const roundedCorners = Buffer.from(
'<svg><rect x="0" y="0" width="200" height="200" rx="50" ry="50"/></svg>'
);
const roundedCornerResizer =
sharp()
.resize(200, 200)
.composite([{
input: roundedCorners,
blend: 'dest-in'
}])
.png();
readableStream
.pipe(roundedCornerResizer)
.pipe(writableStream);
```
## Contributing
A [guide for contributors](https://github.com/lovell/sharp/blob/main/.github/CONTRIBUTING.md)
covers reporting bugs, requesting features and submitting code changes.
## Licensing
Copyright 2013 Lovell Fuller and others.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
[https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
try {
const { useGlobalLibvips, globalLibvipsVersion, log, spawnRebuild } = require('../lib/libvips');
const buildFromSource = (msg) => {
log(msg);
log('Attempting to build from source via node-gyp');
try {
const addonApi = require('node-addon-api');
log(`Found node-addon-api ${addonApi.version || ''}`);
} catch (err) {
log('Please add node-addon-api to your dependencies');
return;
}
try {
const gyp = require('node-gyp');
log(`Found node-gyp ${gyp().version}`);
} catch (err) {
log('Please add node-gyp to your dependencies');
return;
}
log('See https://sharp.pixelplumbing.com/install#building-from-source');
const status = spawnRebuild();
if (status !== 0) {
process.exit(status);
}
};
if (useGlobalLibvips(log)) {
buildFromSource(`Detected globally-installed libvips v${globalLibvipsVersion()}`);
} else if (process.env.npm_config_build_from_source) {
buildFromSource('Detected --build-from-source flag');
}
} catch (err) {
const summary = err.message.split(/\n/).slice(0, 1);
console.log(`sharp: skipping install check: ${summary}`);
}

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const is = require('./is');
/**
* Boolean operations for bandbool.
* @private
*/
const bool = {
and: 'and',
or: 'or',
eor: 'eor'
};
/**
* Remove alpha channels, if any. This is a no-op if the image does not have an alpha channel.
*
* See also {@link /api-operation#flatten|flatten}.
*
* @example
* sharp('rgba.png')
* .removeAlpha()
* .toFile('rgb.png', function(err, info) {
* // rgb.png is a 3 channel image without an alpha channel
* });
*
* @returns {Sharp}
*/
function removeAlpha () {
this.options.removeAlpha = true;
return this;
}
/**
* Ensure the output image has an alpha transparency channel.
* If missing, the added alpha channel will have the specified
* transparency level, defaulting to fully-opaque (1).
* This is a no-op if the image already has an alpha channel.
*
* @since 0.21.2
*
* @example
* // rgba.png will be a 4 channel image with a fully-opaque alpha channel
* await sharp('rgb.jpg')
* .ensureAlpha()
* .toFile('rgba.png')
*
* @example
* // rgba is a 4 channel image with a fully-transparent alpha channel
* const rgba = await sharp(rgb)
* .ensureAlpha(0)
* .toBuffer();
*
* @param {number} [alpha=1] - alpha transparency level (0=fully-transparent, 1=fully-opaque)
* @returns {Sharp}
* @throws {Error} Invalid alpha transparency level
*/
function ensureAlpha (alpha) {
if (is.defined(alpha)) {
if (is.number(alpha) && is.inRange(alpha, 0, 1)) {
this.options.ensureAlpha = alpha;
} else {
throw is.invalidParameterError('alpha', 'number between 0 and 1', alpha);
}
} else {
this.options.ensureAlpha = 1;
}
return this;
}
/**
* Extract a single channel from a multi-channel image.
*
* The output colourspace will be either `b-w` (8-bit) or `grey16` (16-bit).
*
* @example
* // green.jpg is a greyscale image containing the green channel of the input
* await sharp(input)
* .extractChannel('green')
* .toFile('green.jpg');
*
* @example
* // red1 is the red value of the first pixel, red2 the second pixel etc.
* const [red1, red2, ...] = await sharp(input)
* .extractChannel(0)
* .raw()
* .toBuffer();
*
* @param {number|string} channel - zero-indexed channel/band number to extract, or `red`, `green`, `blue` or `alpha`.
* @returns {Sharp}
* @throws {Error} Invalid channel
*/
function extractChannel (channel) {
const channelMap = { red: 0, green: 1, blue: 2, alpha: 3 };
if (Object.keys(channelMap).includes(channel)) {
channel = channelMap[channel];
}
if (is.integer(channel) && is.inRange(channel, 0, 4)) {
this.options.extractChannel = channel;
} else {
throw is.invalidParameterError('channel', 'integer or one of: red, green, blue, alpha', channel);
}
return this;
}
/**
* Join one or more channels to the image.
* The meaning of the added channels depends on the output colourspace, set with `toColourspace()`.
* By default the output image will be web-friendly sRGB, with additional channels interpreted as alpha channels.
* Channel ordering follows vips convention:
* - sRGB: 0: Red, 1: Green, 2: Blue, 3: Alpha.
* - CMYK: 0: Magenta, 1: Cyan, 2: Yellow, 3: Black, 4: Alpha.
*
* Buffers may be any of the image formats supported by sharp.
* For raw pixel input, the `options` object should contain a `raw` attribute, which follows the format of the attribute of the same name in the `sharp()` constructor.
*
* @param {Array<string|Buffer>|string|Buffer} images - one or more images (file paths, Buffers).
* @param {Object} options - image options, see `sharp()` constructor.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function joinChannel (images, options) {
if (Array.isArray(images)) {
images.forEach(function (image) {
this.options.joinChannelIn.push(this._createInputDescriptor(image, options));
}, this);
} else {
this.options.joinChannelIn.push(this._createInputDescriptor(images, options));
}
return this;
}
/**
* Perform a bitwise boolean operation on all input image channels (bands) to produce a single channel output image.
*
* @example
* sharp('3-channel-rgb-input.png')
* .bandbool(sharp.bool.and)
* .toFile('1-channel-output.png', function (err, info) {
* // The output will be a single channel image where each pixel `P = R & G & B`.
* // If `I(1,1) = [247, 170, 14] = [0b11110111, 0b10101010, 0b00001111]`
* // then `O(1,1) = 0b11110111 & 0b10101010 & 0b00001111 = 0b00000010 = 2`.
* });
*
* @param {string} boolOp - one of `and`, `or` or `eor` to perform that bitwise operation, like the C logic operators `&`, `|` and `^` respectively.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function bandbool (boolOp) {
if (is.string(boolOp) && is.inArray(boolOp, ['and', 'or', 'eor'])) {
this.options.bandBoolOp = boolOp;
} else {
throw is.invalidParameterError('boolOp', 'one of: and, or, eor', boolOp);
}
return this;
}
/**
* Decorate the Sharp prototype with channel-related functions.
* @module Sharp
* @private
*/
module.exports = function (Sharp) {
Object.assign(Sharp.prototype, {
// Public instance functions
removeAlpha,
ensureAlpha,
extractChannel,
joinChannel,
bandbool
});
// Class attributes
Sharp.bool = bool;
};

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const color = require('@img/colour');
const is = require('./is');
/**
* Colourspaces.
* @private
*/
const colourspace = {
multiband: 'multiband',
'b-w': 'b-w',
bw: 'b-w',
cmyk: 'cmyk',
srgb: 'srgb'
};
/**
* Tint the image using the provided colour.
* An alpha channel may be present and will be unchanged by the operation.
*
* @example
* const output = await sharp(input)
* .tint({ r: 255, g: 240, b: 16 })
* .toBuffer();
*
* @param {string|Object} tint - Parsed by the [color](https://www.npmjs.org/package/color) module.
* @returns {Sharp}
* @throws {Error} Invalid parameter
*/
function tint (tint) {
this._setBackgroundColourOption('tint', tint);
return this;
}
/**
* Convert to 8-bit greyscale; 256 shades of grey.
* This is a linear operation. If the input image is in a non-linear colour space such as sRGB, use `gamma()` with `greyscale()` for the best results.
* By default the output image will be web-friendly sRGB and contain three (identical) colour channels.
* This may be overridden by other sharp operations such as `toColourspace('b-w')`,
* which will produce an output image containing one colour channel.
* An alpha channel may be present, and will be unchanged by the operation.
*
* @example
* const output = await sharp(input).greyscale().toBuffer();
*
* @param {Boolean} [greyscale=true]
* @returns {Sharp}
*/
function greyscale (greyscale) {
this.options.greyscale = is.bool(greyscale) ? greyscale : true;
return this;
}
/**
* Alternative spelling of `greyscale`.
* @param {Boolean} [grayscale=true]
* @returns {Sharp}
*/
function grayscale (grayscale) {
return this.greyscale(grayscale);
}
/**
* Set the pipeline colourspace.
*
* The input image will be converted to the provided colourspace at the start of the pipeline.
* All operations will use this colourspace before converting to the output colourspace,
* as defined by {@link #tocolourspace|toColourspace}.
*
* @since 0.29.0
*
* @example
* // Run pipeline in 16 bits per channel RGB while converting final result to 8 bits per channel sRGB.
* await sharp(input)
* .pipelineColourspace('rgb16')
* .toColourspace('srgb')
* .toFile('16bpc-pipeline-to-8bpc-output.png')
*
* @param {string} [colourspace] - pipeline colourspace e.g. `rgb16`, `scrgb`, `lab`, `grey16` [...](https://github.com/libvips/libvips/blob/41cff4e9d0838498487a00623462204eb10ee5b8/libvips/iofuncs/enumtypes.c#L774)
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function pipelineColourspace (colourspace) {
if (!is.string(colourspace)) {
throw is.invalidParameterError('colourspace', 'string', colourspace);
}
this.options.colourspacePipeline = colourspace;
return this;
}
/**
* Alternative spelling of `pipelineColourspace`.
* @param {string} [colorspace] - pipeline colorspace.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function pipelineColorspace (colorspace) {
return this.pipelineColourspace(colorspace);
}
/**
* Set the output colourspace.
* By default output image will be web-friendly sRGB, with additional channels interpreted as alpha channels.
*
* @example
* // Output 16 bits per pixel RGB
* await sharp(input)
* .toColourspace('rgb16')
* .toFile('16-bpp.png')
*
* @param {string} [colourspace] - output colourspace e.g. `srgb`, `rgb`, `cmyk`, `lab`, `b-w` [...](https://github.com/libvips/libvips/blob/3c0bfdf74ce1dc37a6429bed47fa76f16e2cd70a/libvips/iofuncs/enumtypes.c#L777-L794)
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function toColourspace (colourspace) {
if (!is.string(colourspace)) {
throw is.invalidParameterError('colourspace', 'string', colourspace);
}
this.options.colourspace = colourspace;
return this;
}
/**
* Alternative spelling of `toColourspace`.
* @param {string} [colorspace] - output colorspace.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function toColorspace (colorspace) {
return this.toColourspace(colorspace);
}
/**
* Create a RGBA colour array from a given value.
* @private
* @param {string|Object} value
* @throws {Error} Invalid value
*/
function _getBackgroundColourOption (value) {
if (is.object(value) || is.string(value)) {
const colour = color(value);
return [
colour.red(),
colour.green(),
colour.blue(),
Math.round(colour.alpha() * 255)
];
} else {
throw is.invalidParameterError('background', 'object or string', value);
}
}
/**
* Update a colour attribute of the this.options Object.
* @private
* @param {string} key
* @param {string|Object} value
* @throws {Error} Invalid value
*/
function _setBackgroundColourOption (key, value) {
if (is.defined(value)) {
this.options[key] = _getBackgroundColourOption(value);
}
}
/**
* Decorate the Sharp prototype with colour-related functions.
* @module Sharp
* @private
*/
module.exports = function (Sharp) {
Object.assign(Sharp.prototype, {
// Public
tint,
greyscale,
grayscale,
pipelineColourspace,
pipelineColorspace,
toColourspace,
toColorspace,
// Private
_getBackgroundColourOption,
_setBackgroundColourOption
});
// Class attributes
Sharp.colourspace = colourspace;
Sharp.colorspace = colourspace;
};

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const is = require('./is');
/**
* Blend modes.
* @member
* @private
*/
const blend = {
clear: 'clear',
source: 'source',
over: 'over',
in: 'in',
out: 'out',
atop: 'atop',
dest: 'dest',
'dest-over': 'dest-over',
'dest-in': 'dest-in',
'dest-out': 'dest-out',
'dest-atop': 'dest-atop',
xor: 'xor',
add: 'add',
saturate: 'saturate',
multiply: 'multiply',
screen: 'screen',
overlay: 'overlay',
darken: 'darken',
lighten: 'lighten',
'colour-dodge': 'colour-dodge',
'color-dodge': 'colour-dodge',
'colour-burn': 'colour-burn',
'color-burn': 'colour-burn',
'hard-light': 'hard-light',
'soft-light': 'soft-light',
difference: 'difference',
exclusion: 'exclusion'
};
/**
* Composite image(s) over the processed (resized, extracted etc.) image.
*
* The images to composite must be the same size or smaller than the processed image.
* If both `top` and `left` options are provided, they take precedence over `gravity`.
*
* Other operations in the same processing pipeline (e.g. resize, rotate, flip,
* flop, extract) will always be applied to the input image before composition.
*
* The `blend` option can be one of `clear`, `source`, `over`, `in`, `out`, `atop`,
* `dest`, `dest-over`, `dest-in`, `dest-out`, `dest-atop`,
* `xor`, `add`, `saturate`, `multiply`, `screen`, `overlay`, `darken`, `lighten`,
* `colour-dodge`, `color-dodge`, `colour-burn`,`color-burn`,
* `hard-light`, `soft-light`, `difference`, `exclusion`.
*
* More information about blend modes can be found at
* https://www.libvips.org/API/current/libvips-conversion.html#VipsBlendMode
* and https://www.cairographics.org/operators/
*
* @since 0.22.0
*
* @example
* await sharp(background)
* .composite([
* { input: layer1, gravity: 'northwest' },
* { input: layer2, gravity: 'southeast' },
* ])
* .toFile('combined.png');
*
* @example
* const output = await sharp('input.gif', { animated: true })
* .composite([
* { input: 'overlay.png', tile: true, blend: 'saturate' }
* ])
* .toBuffer();
*
* @example
* sharp('input.png')
* .rotate(180)
* .resize(300)
* .flatten( { background: '#ff6600' } )
* .composite([{ input: 'overlay.png', gravity: 'southeast' }])
* .sharpen()
* .withMetadata()
* .webp( { quality: 90 } )
* .toBuffer()
* .then(function(outputBuffer) {
* // outputBuffer contains upside down, 300px wide, alpha channel flattened
* // onto orange background, composited with overlay.png with SE gravity,
* // sharpened, with metadata, 90% quality WebP image data. Phew!
* });
*
* @param {Object[]} images - Ordered list of images to composite
* @param {Buffer|String} [images[].input] - Buffer containing image data, String containing the path to an image file, or Create object (see below)
* @param {Object} [images[].input.create] - describes a blank overlay to be created.
* @param {Number} [images[].input.create.width]
* @param {Number} [images[].input.create.height]
* @param {Number} [images[].input.create.channels] - 3-4
* @param {String|Object} [images[].input.create.background] - parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha.
* @param {Object} [images[].input.text] - describes a new text image to be created.
* @param {string} [images[].input.text.text] - text to render as a UTF-8 string. It can contain Pango markup, for example `<i>Le</i>Monde`.
* @param {string} [images[].input.text.font] - font name to render with.
* @param {string} [images[].input.text.fontfile] - absolute filesystem path to a font file that can be used by `font`.
* @param {number} [images[].input.text.width=0] - integral number of pixels to word-wrap at. Lines of text wider than this will be broken at word boundaries.
* @param {number} [images[].input.text.height=0] - integral number of pixels high. When defined, `dpi` will be ignored and the text will automatically fit the pixel resolution defined by `width` and `height`. Will be ignored if `width` is not specified or set to 0.
* @param {string} [images[].input.text.align='left'] - text alignment (`'left'`, `'centre'`, `'center'`, `'right'`).
* @param {boolean} [images[].input.text.justify=false] - set this to true to apply justification to the text.
* @param {number} [images[].input.text.dpi=72] - the resolution (size) at which to render the text. Does not take effect if `height` is specified.
* @param {boolean} [images[].input.text.rgba=false] - set this to true to enable RGBA output. This is useful for colour emoji rendering, or support for Pango markup features like `<span foreground="red">Red!</span>`.
* @param {number} [images[].input.text.spacing=0] - text line height in points. Will use the font line height if none is specified.
* @param {Boolean} [images[].autoOrient=false] - set to true to use EXIF orientation data, if present, to orient the image.
* @param {String} [images[].blend='over'] - how to blend this image with the image below.
* @param {String} [images[].gravity='centre'] - gravity at which to place the overlay.
* @param {Number} [images[].top] - the pixel offset from the top edge.
* @param {Number} [images[].left] - the pixel offset from the left edge.
* @param {Boolean} [images[].tile=false] - set to true to repeat the overlay image across the entire image with the given `gravity`.
* @param {Boolean} [images[].premultiplied=false] - set to true to avoid premultiplying the image below. Equivalent to the `--premultiplied` vips option.
* @param {Number} [images[].density=72] - number representing the DPI for vector overlay image.
* @param {Object} [images[].raw] - describes overlay when using raw pixel data.
* @param {Number} [images[].raw.width]
* @param {Number} [images[].raw.height]
* @param {Number} [images[].raw.channels]
* @param {boolean} [images[].animated=false] - Set to `true` to read all frames/pages of an animated image.
* @param {string} [images[].failOn='warning'] - @see {@link /api-constructor#parameters|constructor parameters}
* @param {number|boolean} [images[].limitInputPixels=268402689] - @see {@link /api-constructor#parameters|constructor parameters}
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function composite (images) {
if (!Array.isArray(images)) {
throw is.invalidParameterError('images to composite', 'array', images);
}
this.options.composite = images.map(image => {
if (!is.object(image)) {
throw is.invalidParameterError('image to composite', 'object', image);
}
const inputOptions = this._inputOptionsFromObject(image);
const composite = {
input: this._createInputDescriptor(image.input, inputOptions, { allowStream: false }),
blend: 'over',
tile: false,
left: 0,
top: 0,
hasOffset: false,
gravity: 0,
premultiplied: false
};
if (is.defined(image.blend)) {
if (is.string(blend[image.blend])) {
composite.blend = blend[image.blend];
} else {
throw is.invalidParameterError('blend', 'valid blend name', image.blend);
}
}
if (is.defined(image.tile)) {
if (is.bool(image.tile)) {
composite.tile = image.tile;
} else {
throw is.invalidParameterError('tile', 'boolean', image.tile);
}
}
if (is.defined(image.left)) {
if (is.integer(image.left)) {
composite.left = image.left;
} else {
throw is.invalidParameterError('left', 'integer', image.left);
}
}
if (is.defined(image.top)) {
if (is.integer(image.top)) {
composite.top = image.top;
} else {
throw is.invalidParameterError('top', 'integer', image.top);
}
}
if (is.defined(image.top) !== is.defined(image.left)) {
throw new Error('Expected both left and top to be set');
} else {
composite.hasOffset = is.integer(image.top) && is.integer(image.left);
}
if (is.defined(image.gravity)) {
if (is.integer(image.gravity) && is.inRange(image.gravity, 0, 8)) {
composite.gravity = image.gravity;
} else if (is.string(image.gravity) && is.integer(this.constructor.gravity[image.gravity])) {
composite.gravity = this.constructor.gravity[image.gravity];
} else {
throw is.invalidParameterError('gravity', 'valid gravity', image.gravity);
}
}
if (is.defined(image.premultiplied)) {
if (is.bool(image.premultiplied)) {
composite.premultiplied = image.premultiplied;
} else {
throw is.invalidParameterError('premultiplied', 'boolean', image.premultiplied);
}
}
return composite;
});
return this;
}
/**
* Decorate the Sharp prototype with composite-related functions.
* @module Sharp
* @private
*/
module.exports = function (Sharp) {
Sharp.prototype.composite = composite;
Sharp.blend = blend;
};

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const util = require('node:util');
const stream = require('node:stream');
const is = require('./is');
require('./sharp');
// Use NODE_DEBUG=sharp to enable libvips warnings
const debuglog = util.debuglog('sharp');
/**
* Constructor factory to create an instance of `sharp`, to which further methods are chained.
*
* JPEG, PNG, WebP, GIF, AVIF or TIFF format image data can be streamed out from this object.
* When using Stream based output, derived attributes are available from the `info` event.
*
* Non-critical problems encountered during processing are emitted as `warning` events.
*
* Implements the [stream.Duplex](http://nodejs.org/api/stream.html#stream_class_stream_duplex) class.
*
* When loading more than one page/frame of an animated image,
* these are combined as a vertically-stacked "toilet roll" image
* where the overall height is the `pageHeight` multiplied by the number of `pages`.
*
* @constructs Sharp
*
* @emits Sharp#info
* @emits Sharp#warning
*
* @example
* sharp('input.jpg')
* .resize(300, 200)
* .toFile('output.jpg', function(err) {
* // output.jpg is a 300 pixels wide and 200 pixels high image
* // containing a scaled and cropped version of input.jpg
* });
*
* @example
* // Read image data from remote URL,
* // resize to 300 pixels wide,
* // emit an 'info' event with calculated dimensions
* // and finally write image data to writableStream
* const { body } = fetch('https://...');
* const readableStream = Readable.fromWeb(body);
* const transformer = sharp()
* .resize(300)
* .on('info', ({ height }) => {
* console.log(`Image height is ${height}`);
* });
* readableStream.pipe(transformer).pipe(writableStream);
*
* @example
* // Create a blank 300x200 PNG image of semi-translucent red pixels
* sharp({
* create: {
* width: 300,
* height: 200,
* channels: 4,
* background: { r: 255, g: 0, b: 0, alpha: 0.5 }
* }
* })
* .png()
* .toBuffer()
* .then( ... );
*
* @example
* // Convert an animated GIF to an animated WebP
* await sharp('in.gif', { animated: true }).toFile('out.webp');
*
* @example
* // Read a raw array of pixels and save it to a png
* const input = Uint8Array.from([255, 255, 255, 0, 0, 0]); // or Uint8ClampedArray
* const image = sharp(input, {
* // because the input does not contain its dimensions or how many channels it has
* // we need to specify it in the constructor options
* raw: {
* width: 2,
* height: 1,
* channels: 3
* }
* });
* await image.toFile('my-two-pixels.png');
*
* @example
* // Generate RGB Gaussian noise
* await sharp({
* create: {
* width: 300,
* height: 200,
* channels: 3,
* noise: {
* type: 'gaussian',
* mean: 128,
* sigma: 30
* }
* }
* }).toFile('noise.png');
*
* @example
* // Generate an image from text
* await sharp({
* text: {
* text: 'Hello, world!',
* width: 400, // max width
* height: 300 // max height
* }
* }).toFile('text_bw.png');
*
* @example
* // Generate an rgba image from text using pango markup and font
* await sharp({
* text: {
* text: '<span foreground="red">Red!</span><span background="cyan">blue</span>',
* font: 'sans',
* rgba: true,
* dpi: 300
* }
* }).toFile('text_rgba.png');
*
* @example
* // Join four input images as a 2x2 grid with a 4 pixel gutter
* const data = await sharp(
* [image1, image2, image3, image4],
* { join: { across: 2, shim: 4 } }
* ).toBuffer();
*
* @example
* // Generate a two-frame animated image from emoji
* const images = ['😀', '😛'].map(text => ({
* text: { text, width: 64, height: 64, channels: 4, rgba: true }
* }));
* await sharp(images, { join: { animated: true } }).toFile('out.gif');
*
* @param {(Buffer|ArrayBuffer|Uint8Array|Uint8ClampedArray|Int8Array|Uint16Array|Int16Array|Uint32Array|Int32Array|Float32Array|Float64Array|string|Array)} [input] - if present, can be
* a Buffer / ArrayBuffer / Uint8Array / Uint8ClampedArray containing JPEG, PNG, WebP, AVIF, GIF, SVG or TIFF image data, or
* a TypedArray containing raw pixel image data, or
* a String containing the filesystem path to an JPEG, PNG, WebP, AVIF, GIF, SVG or TIFF image file.
* An array of inputs can be provided, and these will be joined together.
* JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF or raw pixel image data can be streamed into the object when not present.
* @param {Object} [options] - if present, is an Object with optional attributes.
* @param {string} [options.failOn='warning'] - When to abort processing of invalid pixel data, one of (in order of sensitivity, least to most): 'none', 'truncated', 'error', 'warning'. Higher levels imply lower levels. Invalid metadata will always abort.
* @param {number|boolean} [options.limitInputPixels=268402689] - Do not process input images where the number of pixels
* (width x height) exceeds this limit. Assumes image dimensions contained in the input metadata can be trusted.
* An integral Number of pixels, zero or false to remove limit, true to use default limit of 268402689 (0x3FFF x 0x3FFF).
* @param {boolean} [options.unlimited=false] - Set this to `true` to remove safety features that help prevent memory exhaustion (JPEG, PNG, SVG, HEIF).
* @param {boolean} [options.autoOrient=false] - Set this to `true` to rotate/flip the image to match EXIF `Orientation`, if any.
* @param {boolean} [options.sequentialRead=true] - Set this to `false` to use random access rather than sequential read. Some operations will do this automatically.
* @param {number} [options.density=72] - number representing the DPI for vector images in the range 1 to 100000.
* @param {number} [options.ignoreIcc=false] - should the embedded ICC profile, if any, be ignored.
* @param {number} [options.pages=1] - Number of pages to extract for multi-page input (GIF, WebP, TIFF), use -1 for all pages.
* @param {number} [options.page=0] - Page number to start extracting from for multi-page input (GIF, WebP, TIFF), zero based.
* @param {boolean} [options.animated=false] - Set to `true` to read all frames/pages of an animated image (GIF, WebP, TIFF), equivalent of setting `pages` to `-1`.
* @param {Object} [options.raw] - describes raw pixel input image data. See `raw()` for pixel ordering.
* @param {number} [options.raw.width] - integral number of pixels wide.
* @param {number} [options.raw.height] - integral number of pixels high.
* @param {number} [options.raw.channels] - integral number of channels, between 1 and 4.
* @param {boolean} [options.raw.premultiplied] - specifies that the raw input has already been premultiplied, set to `true`
* to avoid sharp premultiplying the image. (optional, default `false`)
* @param {number} [options.raw.pageHeight] - The pixel height of each page/frame for animated images, must be an integral factor of `raw.height`.
* @param {Object} [options.create] - describes a new image to be created.
* @param {number} [options.create.width] - integral number of pixels wide.
* @param {number} [options.create.height] - integral number of pixels high.
* @param {number} [options.create.channels] - integral number of channels, either 3 (RGB) or 4 (RGBA).
* @param {string|Object} [options.create.background] - parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha.
* @param {number} [options.create.pageHeight] - The pixel height of each page/frame for animated images, must be an integral factor of `create.height`.
* @param {Object} [options.create.noise] - describes a noise to be created.
* @param {string} [options.create.noise.type] - type of generated noise, currently only `gaussian` is supported.
* @param {number} [options.create.noise.mean=128] - Mean value of pixels in the generated noise.
* @param {number} [options.create.noise.sigma=30] - Standard deviation of pixel values in the generated noise.
* @param {Object} [options.text] - describes a new text image to be created.
* @param {string} [options.text.text] - text to render as a UTF-8 string. It can contain Pango markup, for example `<i>Le</i>Monde`.
* @param {string} [options.text.font] - font name to render with.
* @param {string} [options.text.fontfile] - absolute filesystem path to a font file that can be used by `font`.
* @param {number} [options.text.width=0] - Integral number of pixels to word-wrap at. Lines of text wider than this will be broken at word boundaries.
* @param {number} [options.text.height=0] - Maximum integral number of pixels high. When defined, `dpi` will be ignored and the text will automatically fit the pixel resolution defined by `width` and `height`. Will be ignored if `width` is not specified or set to 0.
* @param {string} [options.text.align='left'] - Alignment style for multi-line text (`'left'`, `'centre'`, `'center'`, `'right'`).
* @param {boolean} [options.text.justify=false] - set this to true to apply justification to the text.
* @param {number} [options.text.dpi=72] - the resolution (size) at which to render the text. Does not take effect if `height` is specified.
* @param {boolean} [options.text.rgba=false] - set this to true to enable RGBA output. This is useful for colour emoji rendering, or support for pango markup features like `<span foreground="red">Red!</span>`.
* @param {number} [options.text.spacing=0] - text line height in points. Will use the font line height if none is specified.
* @param {string} [options.text.wrap='word'] - word wrapping style when width is provided, one of: 'word', 'char', 'word-char' (prefer word, fallback to char) or 'none'.
* @param {Object} [options.join] - describes how an array of input images should be joined.
* @param {number} [options.join.across=1] - number of images to join horizontally.
* @param {boolean} [options.join.animated=false] - set this to `true` to join the images as an animated image.
* @param {number} [options.join.shim=0] - number of pixels to insert between joined images.
* @param {string|Object} [options.join.background] - parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha.
* @param {string} [options.join.halign='left'] - horizontal alignment style for images joined horizontally (`'left'`, `'centre'`, `'center'`, `'right'`).
* @param {string} [options.join.valign='top'] - vertical alignment style for images joined vertically (`'top'`, `'centre'`, `'center'`, `'bottom'`).
* @param {Object} [options.tiff] - Describes TIFF specific options.
* @param {number} [options.tiff.subifd=-1] - Sub Image File Directory to extract for OME-TIFF, defaults to main image.
* @param {Object} [options.svg] - Describes SVG specific options.
* @param {string} [options.svg.stylesheet] - Custom CSS for SVG input, applied with a User Origin during the CSS cascade.
* @param {boolean} [options.svg.highBitdepth=false] - Set to `true` to render SVG input at 32-bits per channel (128-bit) instead of 8-bits per channel (32-bit) RGBA.
* @param {Object} [options.pdf] - Describes PDF specific options. Requires the use of a globally-installed libvips compiled with support for PDFium, Poppler, ImageMagick or GraphicsMagick.
* @param {string|Object} [options.pdf.background] - Background colour to use when PDF is partially transparent. Parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha.
* @param {Object} [options.openSlide] - Describes OpenSlide specific options. Requires the use of a globally-installed libvips compiled with support for OpenSlide.
* @param {number} [options.openSlide.level=0] - Level to extract from a multi-level input, zero based.
* @param {Object} [options.jp2] - Describes JPEG 2000 specific options. Requires the use of a globally-installed libvips compiled with support for OpenJPEG.
* @param {boolean} [options.jp2.oneshot=false] - Set to `true` to decode tiled JPEG 2000 images in a single operation, improving compatibility.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
const Sharp = function (input, options) {
if (arguments.length === 1 && !is.defined(input)) {
throw new Error('Invalid input');
}
if (!(this instanceof Sharp)) {
return new Sharp(input, options);
}
stream.Duplex.call(this);
this.options = {
// resize options
topOffsetPre: -1,
leftOffsetPre: -1,
widthPre: -1,
heightPre: -1,
topOffsetPost: -1,
leftOffsetPost: -1,
widthPost: -1,
heightPost: -1,
width: -1,
height: -1,
canvas: 'crop',
position: 0,
resizeBackground: [0, 0, 0, 255],
angle: 0,
rotationAngle: 0,
rotationBackground: [0, 0, 0, 255],
rotateBefore: false,
orientBefore: false,
flip: false,
flop: false,
extendTop: 0,
extendBottom: 0,
extendLeft: 0,
extendRight: 0,
extendBackground: [0, 0, 0, 255],
extendWith: 'background',
withoutEnlargement: false,
withoutReduction: false,
affineMatrix: [],
affineBackground: [0, 0, 0, 255],
affineIdx: 0,
affineIdy: 0,
affineOdx: 0,
affineOdy: 0,
affineInterpolator: this.constructor.interpolators.bilinear,
kernel: 'lanczos3',
fastShrinkOnLoad: true,
// operations
tint: [-1, 0, 0, 0],
flatten: false,
flattenBackground: [0, 0, 0],
unflatten: false,
negate: false,
negateAlpha: true,
medianSize: 0,
blurSigma: 0,
precision: 'integer',
minAmpl: 0.2,
sharpenSigma: 0,
sharpenM1: 1,
sharpenM2: 2,
sharpenX1: 2,
sharpenY2: 10,
sharpenY3: 20,
threshold: 0,
thresholdGrayscale: true,
trimBackground: [],
trimThreshold: -1,
trimLineArt: false,
dilateWidth: 0,
erodeWidth: 0,
gamma: 0,
gammaOut: 0,
greyscale: false,
normalise: false,
normaliseLower: 1,
normaliseUpper: 99,
claheWidth: 0,
claheHeight: 0,
claheMaxSlope: 3,
brightness: 1,
saturation: 1,
hue: 0,
lightness: 0,
booleanBufferIn: null,
booleanFileIn: '',
joinChannelIn: [],
extractChannel: -1,
removeAlpha: false,
ensureAlpha: -1,
colourspace: 'srgb',
colourspacePipeline: 'last',
composite: [],
// output
fileOut: '',
formatOut: 'input',
streamOut: false,
keepMetadata: 0,
withMetadataOrientation: -1,
withMetadataDensity: 0,
withIccProfile: '',
withExif: {},
withExifMerge: true,
withXmp: '',
resolveWithObject: false,
loop: -1,
delay: [],
// output format
jpegQuality: 80,
jpegProgressive: false,
jpegChromaSubsampling: '4:2:0',
jpegTrellisQuantisation: false,
jpegOvershootDeringing: false,
jpegOptimiseScans: false,
jpegOptimiseCoding: true,
jpegQuantisationTable: 0,
pngProgressive: false,
pngCompressionLevel: 6,
pngAdaptiveFiltering: false,
pngPalette: false,
pngQuality: 100,
pngEffort: 7,
pngBitdepth: 8,
pngDither: 1,
jp2Quality: 80,
jp2TileHeight: 512,
jp2TileWidth: 512,
jp2Lossless: false,
jp2ChromaSubsampling: '4:4:4',
webpQuality: 80,
webpAlphaQuality: 100,
webpLossless: false,
webpNearLossless: false,
webpSmartSubsample: false,
webpSmartDeblock: false,
webpPreset: 'default',
webpEffort: 4,
webpMinSize: false,
webpMixed: false,
gifBitdepth: 8,
gifEffort: 7,
gifDither: 1,
gifInterFrameMaxError: 0,
gifInterPaletteMaxError: 3,
gifKeepDuplicateFrames: false,
gifReuse: true,
gifProgressive: false,
tiffQuality: 80,
tiffCompression: 'jpeg',
tiffPredictor: 'horizontal',
tiffPyramid: false,
tiffMiniswhite: false,
tiffBitdepth: 8,
tiffTile: false,
tiffTileHeight: 256,
tiffTileWidth: 256,
tiffXres: 1.0,
tiffYres: 1.0,
tiffResolutionUnit: 'inch',
heifQuality: 50,
heifLossless: false,
heifCompression: 'av1',
heifEffort: 4,
heifChromaSubsampling: '4:4:4',
heifBitdepth: 8,
jxlDistance: 1,
jxlDecodingTier: 0,
jxlEffort: 7,
jxlLossless: false,
rawDepth: 'uchar',
tileSize: 256,
tileOverlap: 0,
tileContainer: 'fs',
tileLayout: 'dz',
tileFormat: 'last',
tileDepth: 'last',
tileAngle: 0,
tileSkipBlanks: -1,
tileBackground: [255, 255, 255, 255],
tileCentre: false,
tileId: 'https://example.com/iiif',
tileBasename: '',
timeoutSeconds: 0,
linearA: [],
linearB: [],
pdfBackground: [255, 255, 255, 255],
// Function to notify of libvips warnings
debuglog: warning => {
this.emit('warning', warning);
debuglog(warning);
},
// Function to notify of queue length changes
queueListener: function (queueLength) {
Sharp.queue.emit('change', queueLength);
}
};
this.options.input = this._createInputDescriptor(input, options, { allowStream: true });
return this;
};
Object.setPrototypeOf(Sharp.prototype, stream.Duplex.prototype);
Object.setPrototypeOf(Sharp, stream.Duplex);
/**
* Take a "snapshot" of the Sharp instance, returning a new instance.
* Cloned instances inherit the input of their parent instance.
* This allows multiple output Streams and therefore multiple processing pipelines to share a single input Stream.
*
* @example
* const pipeline = sharp().rotate();
* pipeline.clone().resize(800, 600).pipe(firstWritableStream);
* pipeline.clone().extract({ left: 20, top: 20, width: 100, height: 100 }).pipe(secondWritableStream);
* readableStream.pipe(pipeline);
* // firstWritableStream receives auto-rotated, resized readableStream
* // secondWritableStream receives auto-rotated, extracted region of readableStream
*
* @example
* // Create a pipeline that will download an image, resize it and format it to different files
* // Using Promises to know when the pipeline is complete
* const fs = require("fs");
* const got = require("got");
* const sharpStream = sharp({ failOn: 'none' });
*
* const promises = [];
*
* promises.push(
* sharpStream
* .clone()
* .jpeg({ quality: 100 })
* .toFile("originalFile.jpg")
* );
*
* promises.push(
* sharpStream
* .clone()
* .resize({ width: 500 })
* .jpeg({ quality: 80 })
* .toFile("optimized-500.jpg")
* );
*
* promises.push(
* sharpStream
* .clone()
* .resize({ width: 500 })
* .webp({ quality: 80 })
* .toFile("optimized-500.webp")
* );
*
* // https://github.com/sindresorhus/got/blob/main/documentation/3-streams.md
* got.stream("https://www.example.com/some-file.jpg").pipe(sharpStream);
*
* Promise.all(promises)
* .then(res => { console.log("Done!", res); })
* .catch(err => {
* console.error("Error processing files, let's clean it up", err);
* try {
* fs.unlinkSync("originalFile.jpg");
* fs.unlinkSync("optimized-500.jpg");
* fs.unlinkSync("optimized-500.webp");
* } catch (e) {}
* });
*
* @returns {Sharp}
*/
function clone () {
// Clone existing options
const clone = this.constructor.call();
const { debuglog, queueListener, ...options } = this.options;
clone.options = structuredClone(options);
clone.options.debuglog = debuglog;
clone.options.queueListener = queueListener;
// Pass 'finish' event to clone for Stream-based input
if (this._isStreamInput()) {
this.on('finish', () => {
// Clone inherits input data
this._flattenBufferIn();
clone.options.input.buffer = this.options.input.buffer;
clone.emit('finish');
});
}
return clone;
}
Object.assign(Sharp.prototype, { clone });
/**
* Export constructor.
* @module Sharp
* @private
*/
module.exports = Sharp;

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const Sharp = require('./constructor');
require('./input')(Sharp);
require('./resize')(Sharp);
require('./composite')(Sharp);
require('./operation')(Sharp);
require('./colour')(Sharp);
require('./channel')(Sharp);
require('./output')(Sharp);
require('./utility')(Sharp);
module.exports = Sharp;

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const is = require('./is');
const sharp = require('./sharp');
/**
* Justification alignment
* @member
* @private
*/
const align = {
left: 'low',
top: 'low',
low: 'low',
center: 'centre',
centre: 'centre',
right: 'high',
bottom: 'high',
high: 'high'
};
const inputStreamParameters = [
// Limits and error handling
'failOn', 'limitInputPixels', 'unlimited',
// Format-generic
'animated', 'autoOrient', 'density', 'ignoreIcc', 'page', 'pages', 'sequentialRead',
// Format-specific
'jp2', 'openSlide', 'pdf', 'raw', 'svg', 'tiff',
// Deprecated
'failOnError', 'openSlideLevel', 'pdfBackground', 'tiffSubifd'
];
/**
* Extract input options, if any, from an object.
* @private
*/
function _inputOptionsFromObject (obj) {
const params = inputStreamParameters
.filter(p => is.defined(obj[p]))
.map(p => ([p, obj[p]]));
return params.length
? Object.fromEntries(params)
: undefined;
}
/**
* Create Object containing input and input-related options.
* @private
*/
function _createInputDescriptor (input, inputOptions, containerOptions) {
const inputDescriptor = {
autoOrient: false,
failOn: 'warning',
limitInputPixels: Math.pow(0x3FFF, 2),
ignoreIcc: false,
unlimited: false,
sequentialRead: true
};
if (is.string(input)) {
// filesystem
inputDescriptor.file = input;
} else if (is.buffer(input)) {
// Buffer
if (input.length === 0) {
throw Error('Input Buffer is empty');
}
inputDescriptor.buffer = input;
} else if (is.arrayBuffer(input)) {
if (input.byteLength === 0) {
throw Error('Input bit Array is empty');
}
inputDescriptor.buffer = Buffer.from(input, 0, input.byteLength);
} else if (is.typedArray(input)) {
if (input.length === 0) {
throw Error('Input Bit Array is empty');
}
inputDescriptor.buffer = Buffer.from(input.buffer, input.byteOffset, input.byteLength);
} else if (is.plainObject(input) && !is.defined(inputOptions)) {
// Plain Object descriptor, e.g. create
inputOptions = input;
if (_inputOptionsFromObject(inputOptions)) {
// Stream with options
inputDescriptor.buffer = [];
}
} else if (!is.defined(input) && !is.defined(inputOptions) && is.object(containerOptions) && containerOptions.allowStream) {
// Stream without options
inputDescriptor.buffer = [];
} else if (Array.isArray(input)) {
if (input.length > 1) {
// Join images together
if (!this.options.joining) {
this.options.joining = true;
this.options.join = input.map(i => this._createInputDescriptor(i));
} else {
throw new Error('Recursive join is unsupported');
}
} else {
throw new Error('Expected at least two images to join');
}
} else {
throw new Error(`Unsupported input '${input}' of type ${typeof input}${
is.defined(inputOptions) ? ` when also providing options of type ${typeof inputOptions}` : ''
}`);
}
if (is.object(inputOptions)) {
// Deprecated: failOnError
if (is.defined(inputOptions.failOnError)) {
if (is.bool(inputOptions.failOnError)) {
inputDescriptor.failOn = inputOptions.failOnError ? 'warning' : 'none';
} else {
throw is.invalidParameterError('failOnError', 'boolean', inputOptions.failOnError);
}
}
// failOn
if (is.defined(inputOptions.failOn)) {
if (is.string(inputOptions.failOn) && is.inArray(inputOptions.failOn, ['none', 'truncated', 'error', 'warning'])) {
inputDescriptor.failOn = inputOptions.failOn;
} else {
throw is.invalidParameterError('failOn', 'one of: none, truncated, error, warning', inputOptions.failOn);
}
}
// autoOrient
if (is.defined(inputOptions.autoOrient)) {
if (is.bool(inputOptions.autoOrient)) {
inputDescriptor.autoOrient = inputOptions.autoOrient;
} else {
throw is.invalidParameterError('autoOrient', 'boolean', inputOptions.autoOrient);
}
}
// Density
if (is.defined(inputOptions.density)) {
if (is.inRange(inputOptions.density, 1, 100000)) {
inputDescriptor.density = inputOptions.density;
} else {
throw is.invalidParameterError('density', 'number between 1 and 100000', inputOptions.density);
}
}
// Ignore embeddded ICC profile
if (is.defined(inputOptions.ignoreIcc)) {
if (is.bool(inputOptions.ignoreIcc)) {
inputDescriptor.ignoreIcc = inputOptions.ignoreIcc;
} else {
throw is.invalidParameterError('ignoreIcc', 'boolean', inputOptions.ignoreIcc);
}
}
// limitInputPixels
if (is.defined(inputOptions.limitInputPixels)) {
if (is.bool(inputOptions.limitInputPixels)) {
inputDescriptor.limitInputPixels = inputOptions.limitInputPixels
? Math.pow(0x3FFF, 2)
: 0;
} else if (is.integer(inputOptions.limitInputPixels) && is.inRange(inputOptions.limitInputPixels, 0, Number.MAX_SAFE_INTEGER)) {
inputDescriptor.limitInputPixels = inputOptions.limitInputPixels;
} else {
throw is.invalidParameterError('limitInputPixels', 'positive integer', inputOptions.limitInputPixels);
}
}
// unlimited
if (is.defined(inputOptions.unlimited)) {
if (is.bool(inputOptions.unlimited)) {
inputDescriptor.unlimited = inputOptions.unlimited;
} else {
throw is.invalidParameterError('unlimited', 'boolean', inputOptions.unlimited);
}
}
// sequentialRead
if (is.defined(inputOptions.sequentialRead)) {
if (is.bool(inputOptions.sequentialRead)) {
inputDescriptor.sequentialRead = inputOptions.sequentialRead;
} else {
throw is.invalidParameterError('sequentialRead', 'boolean', inputOptions.sequentialRead);
}
}
// Raw pixel input
if (is.defined(inputOptions.raw)) {
if (
is.object(inputOptions.raw) &&
is.integer(inputOptions.raw.width) && inputOptions.raw.width > 0 &&
is.integer(inputOptions.raw.height) && inputOptions.raw.height > 0 &&
is.integer(inputOptions.raw.channels) && is.inRange(inputOptions.raw.channels, 1, 4)
) {
inputDescriptor.rawWidth = inputOptions.raw.width;
inputDescriptor.rawHeight = inputOptions.raw.height;
inputDescriptor.rawChannels = inputOptions.raw.channels;
switch (input.constructor) {
case Uint8Array:
case Uint8ClampedArray:
inputDescriptor.rawDepth = 'uchar';
break;
case Int8Array:
inputDescriptor.rawDepth = 'char';
break;
case Uint16Array:
inputDescriptor.rawDepth = 'ushort';
break;
case Int16Array:
inputDescriptor.rawDepth = 'short';
break;
case Uint32Array:
inputDescriptor.rawDepth = 'uint';
break;
case Int32Array:
inputDescriptor.rawDepth = 'int';
break;
case Float32Array:
inputDescriptor.rawDepth = 'float';
break;
case Float64Array:
inputDescriptor.rawDepth = 'double';
break;
default:
inputDescriptor.rawDepth = 'uchar';
break;
}
} else {
throw new Error('Expected width, height and channels for raw pixel input');
}
inputDescriptor.rawPremultiplied = false;
if (is.defined(inputOptions.raw.premultiplied)) {
if (is.bool(inputOptions.raw.premultiplied)) {
inputDescriptor.rawPremultiplied = inputOptions.raw.premultiplied;
} else {
throw is.invalidParameterError('raw.premultiplied', 'boolean', inputOptions.raw.premultiplied);
}
}
inputDescriptor.rawPageHeight = 0;
if (is.defined(inputOptions.raw.pageHeight)) {
if (is.integer(inputOptions.raw.pageHeight) && inputOptions.raw.pageHeight > 0 && inputOptions.raw.pageHeight <= inputOptions.raw.height) {
if (inputOptions.raw.height % inputOptions.raw.pageHeight !== 0) {
throw new Error(`Expected raw.height ${inputOptions.raw.height} to be a multiple of raw.pageHeight ${inputOptions.raw.pageHeight}`);
}
inputDescriptor.rawPageHeight = inputOptions.raw.pageHeight;
} else {
throw is.invalidParameterError('raw.pageHeight', 'positive integer', inputOptions.raw.pageHeight);
}
}
}
// Multi-page input (GIF, TIFF, PDF)
if (is.defined(inputOptions.animated)) {
if (is.bool(inputOptions.animated)) {
inputDescriptor.pages = inputOptions.animated ? -1 : 1;
} else {
throw is.invalidParameterError('animated', 'boolean', inputOptions.animated);
}
}
if (is.defined(inputOptions.pages)) {
if (is.integer(inputOptions.pages) && is.inRange(inputOptions.pages, -1, 100000)) {
inputDescriptor.pages = inputOptions.pages;
} else {
throw is.invalidParameterError('pages', 'integer between -1 and 100000', inputOptions.pages);
}
}
if (is.defined(inputOptions.page)) {
if (is.integer(inputOptions.page) && is.inRange(inputOptions.page, 0, 100000)) {
inputDescriptor.page = inputOptions.page;
} else {
throw is.invalidParameterError('page', 'integer between 0 and 100000', inputOptions.page);
}
}
// OpenSlide specific options
if (is.object(inputOptions.openSlide) && is.defined(inputOptions.openSlide.level)) {
if (is.integer(inputOptions.openSlide.level) && is.inRange(inputOptions.openSlide.level, 0, 256)) {
inputDescriptor.openSlideLevel = inputOptions.openSlide.level;
} else {
throw is.invalidParameterError('openSlide.level', 'integer between 0 and 256', inputOptions.openSlide.level);
}
} else if (is.defined(inputOptions.level)) {
// Deprecated
if (is.integer(inputOptions.level) && is.inRange(inputOptions.level, 0, 256)) {
inputDescriptor.openSlideLevel = inputOptions.level;
} else {
throw is.invalidParameterError('level', 'integer between 0 and 256', inputOptions.level);
}
}
// TIFF specific options
if (is.object(inputOptions.tiff) && is.defined(inputOptions.tiff.subifd)) {
if (is.integer(inputOptions.tiff.subifd) && is.inRange(inputOptions.tiff.subifd, -1, 100000)) {
inputDescriptor.tiffSubifd = inputOptions.tiff.subifd;
} else {
throw is.invalidParameterError('tiff.subifd', 'integer between -1 and 100000', inputOptions.tiff.subifd);
}
} else if (is.defined(inputOptions.subifd)) {
// Deprecated
if (is.integer(inputOptions.subifd) && is.inRange(inputOptions.subifd, -1, 100000)) {
inputDescriptor.tiffSubifd = inputOptions.subifd;
} else {
throw is.invalidParameterError('subifd', 'integer between -1 and 100000', inputOptions.subifd);
}
}
// SVG specific options
if (is.object(inputOptions.svg)) {
if (is.defined(inputOptions.svg.stylesheet)) {
if (is.string(inputOptions.svg.stylesheet)) {
inputDescriptor.svgStylesheet = inputOptions.svg.stylesheet;
} else {
throw is.invalidParameterError('svg.stylesheet', 'string', inputOptions.svg.stylesheet);
}
}
if (is.defined(inputOptions.svg.highBitdepth)) {
if (is.bool(inputOptions.svg.highBitdepth)) {
inputDescriptor.svgHighBitdepth = inputOptions.svg.highBitdepth;
} else {
throw is.invalidParameterError('svg.highBitdepth', 'boolean', inputOptions.svg.highBitdepth);
}
}
}
// PDF specific options
if (is.object(inputOptions.pdf) && is.defined(inputOptions.pdf.background)) {
inputDescriptor.pdfBackground = this._getBackgroundColourOption(inputOptions.pdf.background);
} else if (is.defined(inputOptions.pdfBackground)) {
// Deprecated
inputDescriptor.pdfBackground = this._getBackgroundColourOption(inputOptions.pdfBackground);
}
// JPEG 2000 specific options
if (is.object(inputOptions.jp2) && is.defined(inputOptions.jp2.oneshot)) {
if (is.bool(inputOptions.jp2.oneshot)) {
inputDescriptor.jp2Oneshot = inputOptions.jp2.oneshot;
} else {
throw is.invalidParameterError('jp2.oneshot', 'boolean', inputOptions.jp2.oneshot);
}
}
// Create new image
if (is.defined(inputOptions.create)) {
if (
is.object(inputOptions.create) &&
is.integer(inputOptions.create.width) && inputOptions.create.width > 0 &&
is.integer(inputOptions.create.height) && inputOptions.create.height > 0 &&
is.integer(inputOptions.create.channels)
) {
inputDescriptor.createWidth = inputOptions.create.width;
inputDescriptor.createHeight = inputOptions.create.height;
inputDescriptor.createChannels = inputOptions.create.channels;
inputDescriptor.createPageHeight = 0;
if (is.defined(inputOptions.create.pageHeight)) {
if (is.integer(inputOptions.create.pageHeight) && inputOptions.create.pageHeight > 0 && inputOptions.create.pageHeight <= inputOptions.create.height) {
if (inputOptions.create.height % inputOptions.create.pageHeight !== 0) {
throw new Error(`Expected create.height ${inputOptions.create.height} to be a multiple of create.pageHeight ${inputOptions.create.pageHeight}`);
}
inputDescriptor.createPageHeight = inputOptions.create.pageHeight;
} else {
throw is.invalidParameterError('create.pageHeight', 'positive integer', inputOptions.create.pageHeight);
}
}
// Noise
if (is.defined(inputOptions.create.noise)) {
if (!is.object(inputOptions.create.noise)) {
throw new Error('Expected noise to be an object');
}
if (inputOptions.create.noise.type !== 'gaussian') {
throw new Error('Only gaussian noise is supported at the moment');
}
inputDescriptor.createNoiseType = inputOptions.create.noise.type;
if (!is.inRange(inputOptions.create.channels, 1, 4)) {
throw is.invalidParameterError('create.channels', 'number between 1 and 4', inputOptions.create.channels);
}
inputDescriptor.createNoiseMean = 128;
if (is.defined(inputOptions.create.noise.mean)) {
if (is.number(inputOptions.create.noise.mean) && is.inRange(inputOptions.create.noise.mean, 0, 10000)) {
inputDescriptor.createNoiseMean = inputOptions.create.noise.mean;
} else {
throw is.invalidParameterError('create.noise.mean', 'number between 0 and 10000', inputOptions.create.noise.mean);
}
}
inputDescriptor.createNoiseSigma = 30;
if (is.defined(inputOptions.create.noise.sigma)) {
if (is.number(inputOptions.create.noise.sigma) && is.inRange(inputOptions.create.noise.sigma, 0, 10000)) {
inputDescriptor.createNoiseSigma = inputOptions.create.noise.sigma;
} else {
throw is.invalidParameterError('create.noise.sigma', 'number between 0 and 10000', inputOptions.create.noise.sigma);
}
}
} else if (is.defined(inputOptions.create.background)) {
if (!is.inRange(inputOptions.create.channels, 3, 4)) {
throw is.invalidParameterError('create.channels', 'number between 3 and 4', inputOptions.create.channels);
}
inputDescriptor.createBackground = this._getBackgroundColourOption(inputOptions.create.background);
} else {
throw new Error('Expected valid noise or background to create a new input image');
}
delete inputDescriptor.buffer;
} else {
throw new Error('Expected valid width, height and channels to create a new input image');
}
}
// Create a new image with text
if (is.defined(inputOptions.text)) {
if (is.object(inputOptions.text) && is.string(inputOptions.text.text)) {
inputDescriptor.textValue = inputOptions.text.text;
if (is.defined(inputOptions.text.height) && is.defined(inputOptions.text.dpi)) {
throw new Error('Expected only one of dpi or height');
}
if (is.defined(inputOptions.text.font)) {
if (is.string(inputOptions.text.font)) {
inputDescriptor.textFont = inputOptions.text.font;
} else {
throw is.invalidParameterError('text.font', 'string', inputOptions.text.font);
}
}
if (is.defined(inputOptions.text.fontfile)) {
if (is.string(inputOptions.text.fontfile)) {
inputDescriptor.textFontfile = inputOptions.text.fontfile;
} else {
throw is.invalidParameterError('text.fontfile', 'string', inputOptions.text.fontfile);
}
}
if (is.defined(inputOptions.text.width)) {
if (is.integer(inputOptions.text.width) && inputOptions.text.width > 0) {
inputDescriptor.textWidth = inputOptions.text.width;
} else {
throw is.invalidParameterError('text.width', 'positive integer', inputOptions.text.width);
}
}
if (is.defined(inputOptions.text.height)) {
if (is.integer(inputOptions.text.height) && inputOptions.text.height > 0) {
inputDescriptor.textHeight = inputOptions.text.height;
} else {
throw is.invalidParameterError('text.height', 'positive integer', inputOptions.text.height);
}
}
if (is.defined(inputOptions.text.align)) {
if (is.string(inputOptions.text.align) && is.string(this.constructor.align[inputOptions.text.align])) {
inputDescriptor.textAlign = this.constructor.align[inputOptions.text.align];
} else {
throw is.invalidParameterError('text.align', 'valid alignment', inputOptions.text.align);
}
}
if (is.defined(inputOptions.text.justify)) {
if (is.bool(inputOptions.text.justify)) {
inputDescriptor.textJustify = inputOptions.text.justify;
} else {
throw is.invalidParameterError('text.justify', 'boolean', inputOptions.text.justify);
}
}
if (is.defined(inputOptions.text.dpi)) {
if (is.integer(inputOptions.text.dpi) && is.inRange(inputOptions.text.dpi, 1, 1000000)) {
inputDescriptor.textDpi = inputOptions.text.dpi;
} else {
throw is.invalidParameterError('text.dpi', 'integer between 1 and 1000000', inputOptions.text.dpi);
}
}
if (is.defined(inputOptions.text.rgba)) {
if (is.bool(inputOptions.text.rgba)) {
inputDescriptor.textRgba = inputOptions.text.rgba;
} else {
throw is.invalidParameterError('text.rgba', 'bool', inputOptions.text.rgba);
}
}
if (is.defined(inputOptions.text.spacing)) {
if (is.integer(inputOptions.text.spacing) && is.inRange(inputOptions.text.spacing, -1000000, 1000000)) {
inputDescriptor.textSpacing = inputOptions.text.spacing;
} else {
throw is.invalidParameterError('text.spacing', 'integer between -1000000 and 1000000', inputOptions.text.spacing);
}
}
if (is.defined(inputOptions.text.wrap)) {
if (is.string(inputOptions.text.wrap) && is.inArray(inputOptions.text.wrap, ['word', 'char', 'word-char', 'none'])) {
inputDescriptor.textWrap = inputOptions.text.wrap;
} else {
throw is.invalidParameterError('text.wrap', 'one of: word, char, word-char, none', inputOptions.text.wrap);
}
}
delete inputDescriptor.buffer;
} else {
throw new Error('Expected a valid string to create an image with text.');
}
}
// Join images together
if (is.defined(inputOptions.join)) {
if (is.defined(this.options.join)) {
if (is.defined(inputOptions.join.animated)) {
if (is.bool(inputOptions.join.animated)) {
inputDescriptor.joinAnimated = inputOptions.join.animated;
} else {
throw is.invalidParameterError('join.animated', 'boolean', inputOptions.join.animated);
}
}
if (is.defined(inputOptions.join.across)) {
if (is.integer(inputOptions.join.across) && is.inRange(inputOptions.join.across, 1, 1000000)) {
inputDescriptor.joinAcross = inputOptions.join.across;
} else {
throw is.invalidParameterError('join.across', 'integer between 1 and 100000', inputOptions.join.across);
}
}
if (is.defined(inputOptions.join.shim)) {
if (is.integer(inputOptions.join.shim) && is.inRange(inputOptions.join.shim, 0, 1000000)) {
inputDescriptor.joinShim = inputOptions.join.shim;
} else {
throw is.invalidParameterError('join.shim', 'integer between 0 and 100000', inputOptions.join.shim);
}
}
if (is.defined(inputOptions.join.background)) {
inputDescriptor.joinBackground = this._getBackgroundColourOption(inputOptions.join.background);
}
if (is.defined(inputOptions.join.halign)) {
if (is.string(inputOptions.join.halign) && is.string(this.constructor.align[inputOptions.join.halign])) {
inputDescriptor.joinHalign = this.constructor.align[inputOptions.join.halign];
} else {
throw is.invalidParameterError('join.halign', 'valid alignment', inputOptions.join.halign);
}
}
if (is.defined(inputOptions.join.valign)) {
if (is.string(inputOptions.join.valign) && is.string(this.constructor.align[inputOptions.join.valign])) {
inputDescriptor.joinValign = this.constructor.align[inputOptions.join.valign];
} else {
throw is.invalidParameterError('join.valign', 'valid alignment', inputOptions.join.valign);
}
}
} else {
throw new Error('Expected input to be an array of images to join');
}
}
} else if (is.defined(inputOptions)) {
throw new Error('Invalid input options ' + inputOptions);
}
return inputDescriptor;
}
/**
* Handle incoming Buffer chunk on Writable Stream.
* @private
* @param {Buffer} chunk
* @param {string} encoding - unused
* @param {Function} callback
*/
function _write (chunk, encoding, callback) {
/* istanbul ignore else */
if (Array.isArray(this.options.input.buffer)) {
/* istanbul ignore else */
if (is.buffer(chunk)) {
if (this.options.input.buffer.length === 0) {
this.on('finish', () => {
this.streamInFinished = true;
});
}
this.options.input.buffer.push(chunk);
callback();
} else {
callback(new Error('Non-Buffer data on Writable Stream'));
}
} else {
callback(new Error('Unexpected data on Writable Stream'));
}
}
/**
* Flattens the array of chunks accumulated in input.buffer.
* @private
*/
function _flattenBufferIn () {
if (this._isStreamInput()) {
this.options.input.buffer = Buffer.concat(this.options.input.buffer);
}
}
/**
* Are we expecting Stream-based input?
* @private
* @returns {boolean}
*/
function _isStreamInput () {
return Array.isArray(this.options.input.buffer);
}
/**
* Fast access to (uncached) image metadata without decoding any compressed pixel data.
*
* This is read from the header of the input image.
* It does not take into consideration any operations to be applied to the output image,
* such as resize or rotate.
*
* Dimensions in the response will respect the `page` and `pages` properties of the
* {@link /api-constructor#parameters|constructor parameters}.
*
* A `Promise` is returned when `callback` is not provided.
*
* - `format`: Name of decoder used to decompress image data e.g. `jpeg`, `png`, `webp`, `gif`, `svg`
* - `size`: Total size of image in bytes, for Stream and Buffer input only
* - `width`: Number of pixels wide (EXIF orientation is not taken into consideration, see example below)
* - `height`: Number of pixels high (EXIF orientation is not taken into consideration, see example below)
* - `space`: Name of colour space interpretation e.g. `srgb`, `rgb`, `cmyk`, `lab`, `b-w` [...](https://www.libvips.org/API/current/VipsImage.html#VipsInterpretation)
* - `channels`: Number of bands e.g. `3` for sRGB, `4` for CMYK
* - `depth`: Name of pixel depth format e.g. `uchar`, `char`, `ushort`, `float` [...](https://www.libvips.org/API/current/VipsImage.html#VipsBandFormat)
* - `density`: Number of pixels per inch (DPI), if present
* - `chromaSubsampling`: String containing JPEG chroma subsampling, `4:2:0` or `4:4:4` for RGB, `4:2:0:4` or `4:4:4:4` for CMYK
* - `isProgressive`: Boolean indicating whether the image is interlaced using a progressive scan
* - `isPalette`: Boolean indicating whether the image is palette-based (GIF, PNG).
* - `bitsPerSample`: Number of bits per sample for each channel (GIF, PNG, HEIF).
* - `pages`: Number of pages/frames contained within the image, with support for TIFF, HEIF, PDF, animated GIF and animated WebP
* - `pageHeight`: Number of pixels high each page in a multi-page image will be.
* - `loop`: Number of times to loop an animated image, zero refers to a continuous loop.
* - `delay`: Delay in ms between each page in an animated image, provided as an array of integers.
* - `pagePrimary`: Number of the primary page in a HEIF image
* - `levels`: Details of each level in a multi-level image provided as an array of objects, requires libvips compiled with support for OpenSlide
* - `subifds`: Number of Sub Image File Directories in an OME-TIFF image
* - `background`: Default background colour, if present, for PNG (bKGD) and GIF images
* - `compression`: The encoder used to compress an HEIF file, `av1` (AVIF) or `hevc` (HEIC)
* - `resolutionUnit`: The unit of resolution (density), either `inch` or `cm`, if present
* - `hasProfile`: Boolean indicating the presence of an embedded ICC profile
* - `hasAlpha`: Boolean indicating the presence of an alpha transparency channel
* - `orientation`: Number value of the EXIF Orientation header, if present
* - `exif`: Buffer containing raw EXIF data, if present
* - `icc`: Buffer containing raw [ICC](https://www.npmjs.com/package/icc) profile data, if present
* - `iptc`: Buffer containing raw IPTC data, if present
* - `xmp`: Buffer containing raw XMP data, if present
* - `xmpAsString`: String containing XMP data, if valid UTF-8.
* - `tifftagPhotoshop`: Buffer containing raw TIFFTAG_PHOTOSHOP data, if present
* - `formatMagick`: String containing format for images loaded via *magick
* - `comments`: Array of keyword/text pairs representing PNG text blocks, if present.
*
* @example
* const metadata = await sharp(input).metadata();
*
* @example
* const image = sharp(inputJpg);
* image
* .metadata()
* .then(function(metadata) {
* return image
* .resize(Math.round(metadata.width / 2))
* .webp()
* .toBuffer();
* })
* .then(function(data) {
* // data contains a WebP image half the width and height of the original JPEG
* });
*
* @example
* // Get dimensions taking EXIF Orientation into account.
* const { autoOrient } = await sharp(input).metadata();
* const { width, height } = autoOrient;
*
* @param {Function} [callback] - called with the arguments `(err, metadata)`
* @returns {Promise<Object>|Sharp}
*/
function metadata (callback) {
const stack = Error();
if (is.fn(callback)) {
if (this._isStreamInput()) {
this.on('finish', () => {
this._flattenBufferIn();
sharp.metadata(this.options, (err, metadata) => {
if (err) {
callback(is.nativeError(err, stack));
} else {
callback(null, metadata);
}
});
});
} else {
sharp.metadata(this.options, (err, metadata) => {
if (err) {
callback(is.nativeError(err, stack));
} else {
callback(null, metadata);
}
});
}
return this;
} else {
if (this._isStreamInput()) {
return new Promise((resolve, reject) => {
const finished = () => {
this._flattenBufferIn();
sharp.metadata(this.options, (err, metadata) => {
if (err) {
reject(is.nativeError(err, stack));
} else {
resolve(metadata);
}
});
};
if (this.writableFinished) {
finished();
} else {
this.once('finish', finished);
}
});
} else {
return new Promise((resolve, reject) => {
sharp.metadata(this.options, (err, metadata) => {
if (err) {
reject(is.nativeError(err, stack));
} else {
resolve(metadata);
}
});
});
}
}
}
/**
* Access to pixel-derived image statistics for every channel in the image.
* A `Promise` is returned when `callback` is not provided.
*
* - `channels`: Array of channel statistics for each channel in the image. Each channel statistic contains
* - `min` (minimum value in the channel)
* - `max` (maximum value in the channel)
* - `sum` (sum of all values in a channel)
* - `squaresSum` (sum of squared values in a channel)
* - `mean` (mean of the values in a channel)
* - `stdev` (standard deviation for the values in a channel)
* - `minX` (x-coordinate of one of the pixel where the minimum lies)
* - `minY` (y-coordinate of one of the pixel where the minimum lies)
* - `maxX` (x-coordinate of one of the pixel where the maximum lies)
* - `maxY` (y-coordinate of one of the pixel where the maximum lies)
* - `isOpaque`: Is the image fully opaque? Will be `true` if the image has no alpha channel or if every pixel is fully opaque.
* - `entropy`: Histogram-based estimation of greyscale entropy, discarding alpha channel if any.
* - `sharpness`: Estimation of greyscale sharpness based on the standard deviation of a Laplacian convolution, discarding alpha channel if any.
* - `dominant`: Object containing most dominant sRGB colour based on a 4096-bin 3D histogram.
*
* **Note**: Statistics are derived from the original input image. Any operations performed on the image must first be
* written to a buffer in order to run `stats` on the result (see third example).
*
* @example
* const image = sharp(inputJpg);
* image
* .stats()
* .then(function(stats) {
* // stats contains the channel-wise statistics array and the isOpaque value
* });
*
* @example
* const { entropy, sharpness, dominant } = await sharp(input).stats();
* const { r, g, b } = dominant;
*
* @example
* const image = sharp(input);
* // store intermediate result
* const part = await image.extract(region).toBuffer();
* // create new instance to obtain statistics of extracted region
* const stats = await sharp(part).stats();
*
* @param {Function} [callback] - called with the arguments `(err, stats)`
* @returns {Promise<Object>}
*/
function stats (callback) {
const stack = Error();
if (is.fn(callback)) {
if (this._isStreamInput()) {
this.on('finish', () => {
this._flattenBufferIn();
sharp.stats(this.options, (err, stats) => {
if (err) {
callback(is.nativeError(err, stack));
} else {
callback(null, stats);
}
});
});
} else {
sharp.stats(this.options, (err, stats) => {
if (err) {
callback(is.nativeError(err, stack));
} else {
callback(null, stats);
}
});
}
return this;
} else {
if (this._isStreamInput()) {
return new Promise((resolve, reject) => {
this.on('finish', function () {
this._flattenBufferIn();
sharp.stats(this.options, (err, stats) => {
if (err) {
reject(is.nativeError(err, stack));
} else {
resolve(stats);
}
});
});
});
} else {
return new Promise((resolve, reject) => {
sharp.stats(this.options, (err, stats) => {
if (err) {
reject(is.nativeError(err, stack));
} else {
resolve(stats);
}
});
});
}
}
}
/**
* Decorate the Sharp prototype with input-related functions.
* @module Sharp
* @private
*/
module.exports = function (Sharp) {
Object.assign(Sharp.prototype, {
// Private
_inputOptionsFromObject,
_createInputDescriptor,
_write,
_flattenBufferIn,
_isStreamInput,
// Public
metadata,
stats
});
// Class attributes
Sharp.align = align;
};

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
/**
* Is this value defined and not null?
* @private
*/
const defined = function (val) {
return typeof val !== 'undefined' && val !== null;
};
/**
* Is this value an object?
* @private
*/
const object = function (val) {
return typeof val === 'object';
};
/**
* Is this value a plain object?
* @private
*/
const plainObject = function (val) {
return Object.prototype.toString.call(val) === '[object Object]';
};
/**
* Is this value a function?
* @private
*/
const fn = function (val) {
return typeof val === 'function';
};
/**
* Is this value a boolean?
* @private
*/
const bool = function (val) {
return typeof val === 'boolean';
};
/**
* Is this value a Buffer object?
* @private
*/
const buffer = function (val) {
return val instanceof Buffer;
};
/**
* Is this value a typed array object?. E.g. Uint8Array or Uint8ClampedArray?
* @private
*/
const typedArray = function (val) {
if (defined(val)) {
switch (val.constructor) {
case Uint8Array:
case Uint8ClampedArray:
case Int8Array:
case Uint16Array:
case Int16Array:
case Uint32Array:
case Int32Array:
case Float32Array:
case Float64Array:
return true;
}
}
return false;
};
/**
* Is this value an ArrayBuffer object?
* @private
*/
const arrayBuffer = function (val) {
return val instanceof ArrayBuffer;
};
/**
* Is this value a non-empty string?
* @private
*/
const string = function (val) {
return typeof val === 'string' && val.length > 0;
};
/**
* Is this value a real number?
* @private
*/
const number = function (val) {
return typeof val === 'number' && !Number.isNaN(val);
};
/**
* Is this value an integer?
* @private
*/
const integer = function (val) {
return Number.isInteger(val);
};
/**
* Is this value within an inclusive given range?
* @private
*/
const inRange = function (val, min, max) {
return val >= min && val <= max;
};
/**
* Is this value within the elements of an array?
* @private
*/
const inArray = function (val, list) {
return list.includes(val);
};
/**
* Create an Error with a message relating to an invalid parameter.
*
* @param {string} name - parameter name.
* @param {string} expected - description of the type/value/range expected.
* @param {*} actual - the value received.
* @returns {Error} Containing the formatted message.
* @private
*/
const invalidParameterError = function (name, expected, actual) {
return new Error(
`Expected ${expected} for ${name} but received ${actual} of type ${typeof actual}`
);
};
/**
* Ensures an Error from C++ contains a JS stack.
*
* @param {Error} native - Error with message from C++.
* @param {Error} context - Error with stack from JS.
* @returns {Error} Error with message and stack.
* @private
*/
const nativeError = function (native, context) {
context.message = native.message;
return context;
};
module.exports = {
defined,
object,
plainObject,
fn,
bool,
buffer,
typedArray,
arrayBuffer,
string,
number,
integer,
inRange,
inArray,
invalidParameterError,
nativeError
};

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const { spawnSync } = require('node:child_process');
const { createHash } = require('node:crypto');
const semverCoerce = require('semver/functions/coerce');
const semverGreaterThanOrEqualTo = require('semver/functions/gte');
const semverSatisfies = require('semver/functions/satisfies');
const detectLibc = require('detect-libc');
const { config, engines, optionalDependencies } = require('../package.json');
const minimumLibvipsVersionLabelled = process.env.npm_package_config_libvips || /* istanbul ignore next */
config.libvips;
const minimumLibvipsVersion = semverCoerce(minimumLibvipsVersionLabelled).version;
const prebuiltPlatforms = [
'darwin-arm64', 'darwin-x64',
'linux-arm', 'linux-arm64', 'linux-ppc64', 'linux-s390x', 'linux-x64',
'linuxmusl-arm64', 'linuxmusl-x64',
'win32-arm64', 'win32-ia32', 'win32-x64'
];
const spawnSyncOptions = {
encoding: 'utf8',
shell: true
};
const log = (item) => {
if (item instanceof Error) {
console.error(`sharp: Installation error: ${item.message}`);
} else {
console.log(`sharp: ${item}`);
}
};
/* istanbul ignore next */
const runtimeLibc = () => detectLibc.isNonGlibcLinuxSync() ? detectLibc.familySync() : '';
const runtimePlatformArch = () => `${process.platform}${runtimeLibc()}-${process.arch}`;
/* istanbul ignore next */
const buildPlatformArch = () => {
if (isEmscripten()) {
return 'wasm32';
}
/* eslint camelcase: ["error", { allow: ["^npm_config_"] }] */
const { npm_config_arch, npm_config_platform, npm_config_libc } = process.env;
const libc = typeof npm_config_libc === 'string' ? npm_config_libc : runtimeLibc();
return `${npm_config_platform || process.platform}${libc}-${npm_config_arch || process.arch}`;
};
const buildSharpLibvipsIncludeDir = () => {
try {
return require(`@img/sharp-libvips-dev-${buildPlatformArch()}/include`);
} catch {
try {
return require('@img/sharp-libvips-dev/include');
} catch {}
}
/* istanbul ignore next */
return '';
};
const buildSharpLibvipsCPlusPlusDir = () => {
try {
return require('@img/sharp-libvips-dev/cplusplus');
} catch {}
/* istanbul ignore next */
return '';
};
const buildSharpLibvipsLibDir = () => {
try {
return require(`@img/sharp-libvips-dev-${buildPlatformArch()}/lib`);
} catch {
try {
return require(`@img/sharp-libvips-${buildPlatformArch()}/lib`);
} catch {}
}
/* istanbul ignore next */
return '';
};
const isUnsupportedNodeRuntime = () => {
/* istanbul ignore next */
if (process.release?.name === 'node' && process.versions) {
if (!semverSatisfies(process.versions.node, engines.node)) {
return { found: process.versions.node, expected: engines.node };
}
}
};
/* istanbul ignore next */
const isEmscripten = () => {
const { CC } = process.env;
return Boolean(CC && CC.endsWith('/emcc'));
};
const isRosetta = () => {
/* istanbul ignore next */
if (process.platform === 'darwin' && process.arch === 'x64') {
const translated = spawnSync('sysctl sysctl.proc_translated', spawnSyncOptions).stdout;
return (translated || '').trim() === 'sysctl.proc_translated: 1';
}
return false;
};
const sha512 = (s) => createHash('sha512').update(s).digest('hex');
const yarnLocator = () => {
try {
const identHash = sha512(`imgsharp-libvips-${buildPlatformArch()}`);
const npmVersion = semverCoerce(optionalDependencies[`@img/sharp-libvips-${buildPlatformArch()}`], {
includePrerelease: true
}).version;
return sha512(`${identHash}npm:${npmVersion}`).slice(0, 10);
} catch {}
return '';
};
/* istanbul ignore next */
const spawnRebuild = () =>
spawnSync(`node-gyp rebuild --directory=src ${isEmscripten() ? '--nodedir=emscripten' : ''}`, {
...spawnSyncOptions,
stdio: 'inherit'
}).status;
const globalLibvipsVersion = () => {
if (process.platform !== 'win32') {
const globalLibvipsVersion = spawnSync('pkg-config --modversion vips-cpp', {
...spawnSyncOptions,
env: {
...process.env,
PKG_CONFIG_PATH: pkgConfigPath()
}
}).stdout;
/* istanbul ignore next */
return (globalLibvipsVersion || '').trim();
} else {
return '';
}
};
/* istanbul ignore next */
const pkgConfigPath = () => {
if (process.platform !== 'win32') {
const brewPkgConfigPath = spawnSync(
'which brew >/dev/null 2>&1 && brew environment --plain | grep PKG_CONFIG_LIBDIR | cut -d" " -f2',
spawnSyncOptions
).stdout || '';
return [
brewPkgConfigPath.trim(),
process.env.PKG_CONFIG_PATH,
'/usr/local/lib/pkgconfig',
'/usr/lib/pkgconfig',
'/usr/local/libdata/pkgconfig',
'/usr/libdata/pkgconfig'
].filter(Boolean).join(':');
} else {
return '';
}
};
const skipSearch = (status, reason, logger) => {
if (logger) {
logger(`Detected ${reason}, skipping search for globally-installed libvips`);
}
return status;
};
const useGlobalLibvips = (logger) => {
if (Boolean(process.env.SHARP_IGNORE_GLOBAL_LIBVIPS) === true) {
return skipSearch(false, 'SHARP_IGNORE_GLOBAL_LIBVIPS', logger);
}
if (Boolean(process.env.SHARP_FORCE_GLOBAL_LIBVIPS) === true) {
return skipSearch(true, 'SHARP_FORCE_GLOBAL_LIBVIPS', logger);
}
/* istanbul ignore next */
if (isRosetta()) {
return skipSearch(false, 'Rosetta', logger);
}
const globalVipsVersion = globalLibvipsVersion();
return !!globalVipsVersion && /* istanbul ignore next */
semverGreaterThanOrEqualTo(globalVipsVersion, minimumLibvipsVersion);
};
module.exports = {
minimumLibvipsVersion,
prebuiltPlatforms,
buildPlatformArch,
buildSharpLibvipsIncludeDir,
buildSharpLibvipsCPlusPlusDir,
buildSharpLibvipsLibDir,
isUnsupportedNodeRuntime,
runtimePlatformArch,
log,
yarnLocator,
spawnRebuild,
globalLibvipsVersion,
pkgConfigPath,
useGlobalLibvips
};

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const is = require('./is');
/**
* Weighting to apply when using contain/cover fit.
* @member
* @private
*/
const gravity = {
center: 0,
centre: 0,
north: 1,
east: 2,
south: 3,
west: 4,
northeast: 5,
southeast: 6,
southwest: 7,
northwest: 8
};
/**
* Position to apply when using contain/cover fit.
* @member
* @private
*/
const position = {
top: 1,
right: 2,
bottom: 3,
left: 4,
'right top': 5,
'right bottom': 6,
'left bottom': 7,
'left top': 8
};
/**
* How to extend the image.
* @member
* @private
*/
const extendWith = {
background: 'background',
copy: 'copy',
repeat: 'repeat',
mirror: 'mirror'
};
/**
* Strategies for automagic cover behaviour.
* @member
* @private
*/
const strategy = {
entropy: 16,
attention: 17
};
/**
* Reduction kernels.
* @member
* @private
*/
const kernel = {
nearest: 'nearest',
linear: 'linear',
cubic: 'cubic',
mitchell: 'mitchell',
lanczos2: 'lanczos2',
lanczos3: 'lanczos3',
mks2013: 'mks2013',
mks2021: 'mks2021'
};
/**
* Methods by which an image can be resized to fit the provided dimensions.
* @member
* @private
*/
const fit = {
contain: 'contain',
cover: 'cover',
fill: 'fill',
inside: 'inside',
outside: 'outside'
};
/**
* Map external fit property to internal canvas property.
* @member
* @private
*/
const mapFitToCanvas = {
contain: 'embed',
cover: 'crop',
fill: 'ignore_aspect',
inside: 'max',
outside: 'min'
};
/**
* @private
*/
function isRotationExpected (options) {
return (options.angle % 360) !== 0 || options.rotationAngle !== 0;
}
/**
* @private
*/
function isResizeExpected (options) {
return options.width !== -1 || options.height !== -1;
}
/**
* Resize image to `width`, `height` or `width x height`.
*
* When both a `width` and `height` are provided, the possible methods by which the image should **fit** these are:
* - `cover`: (default) Preserving aspect ratio, attempt to ensure the image covers both provided dimensions by cropping/clipping to fit.
* - `contain`: Preserving aspect ratio, contain within both provided dimensions using "letterboxing" where necessary.
* - `fill`: Ignore the aspect ratio of the input and stretch to both provided dimensions.
* - `inside`: Preserving aspect ratio, resize the image to be as large as possible while ensuring its dimensions are less than or equal to both those specified.
* - `outside`: Preserving aspect ratio, resize the image to be as small as possible while ensuring its dimensions are greater than or equal to both those specified.
*
* Some of these values are based on the [object-fit](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit) CSS property.
*
* <img alt="Examples of various values for the fit property when resizing" width="100%" style="aspect-ratio: 998/243" src="/api-resize-fit.svg">
*
* When using a **fit** of `cover` or `contain`, the default **position** is `centre`. Other options are:
* - `sharp.position`: `top`, `right top`, `right`, `right bottom`, `bottom`, `left bottom`, `left`, `left top`.
* - `sharp.gravity`: `north`, `northeast`, `east`, `southeast`, `south`, `southwest`, `west`, `northwest`, `center` or `centre`.
* - `sharp.strategy`: `cover` only, dynamically crop using either the `entropy` or `attention` strategy.
*
* Some of these values are based on the [object-position](https://developer.mozilla.org/en-US/docs/Web/CSS/object-position) CSS property.
*
* The strategy-based approach initially resizes so one dimension is at its target length
* then repeatedly ranks edge regions, discarding the edge with the lowest score based on the selected strategy.
* - `entropy`: focus on the region with the highest [Shannon entropy](https://en.wikipedia.org/wiki/Entropy_%28information_theory%29).
* - `attention`: focus on the region with the highest luminance frequency, colour saturation and presence of skin tones.
*
* Possible downsizing kernels are:
* - `nearest`: Use [nearest neighbour interpolation](http://en.wikipedia.org/wiki/Nearest-neighbor_interpolation).
* - `linear`: Use a [triangle filter](https://en.wikipedia.org/wiki/Triangular_function).
* - `cubic`: Use a [Catmull-Rom spline](https://en.wikipedia.org/wiki/Centripetal_Catmull%E2%80%93Rom_spline).
* - `mitchell`: Use a [Mitchell-Netravali spline](https://www.cs.utexas.edu/~fussell/courses/cs384g-fall2013/lectures/mitchell/Mitchell.pdf).
* - `lanczos2`: Use a [Lanczos kernel](https://en.wikipedia.org/wiki/Lanczos_resampling#Lanczos_kernel) with `a=2`.
* - `lanczos3`: Use a Lanczos kernel with `a=3` (the default).
* - `mks2013`: Use a [Magic Kernel Sharp](https://johncostella.com/magic/mks.pdf) 2013 kernel, as adopted by Facebook.
* - `mks2021`: Use a Magic Kernel Sharp 2021 kernel, with more accurate (reduced) sharpening than the 2013 version.
*
* When upsampling, these kernels map to `nearest`, `linear` and `cubic` interpolators.
* Downsampling kernels without a matching upsampling interpolator map to `cubic`.
*
* Only one resize can occur per pipeline.
* Previous calls to `resize` in the same pipeline will be ignored.
*
* @example
* sharp(input)
* .resize({ width: 100 })
* .toBuffer()
* .then(data => {
* // 100 pixels wide, auto-scaled height
* });
*
* @example
* sharp(input)
* .resize({ height: 100 })
* .toBuffer()
* .then(data => {
* // 100 pixels high, auto-scaled width
* });
*
* @example
* sharp(input)
* .resize(200, 300, {
* kernel: sharp.kernel.nearest,
* fit: 'contain',
* position: 'right top',
* background: { r: 255, g: 255, b: 255, alpha: 0.5 }
* })
* .toFile('output.png')
* .then(() => {
* // output.png is a 200 pixels wide and 300 pixels high image
* // containing a nearest-neighbour scaled version
* // contained within the north-east corner of a semi-transparent white canvas
* });
*
* @example
* const transformer = sharp()
* .resize({
* width: 200,
* height: 200,
* fit: sharp.fit.cover,
* position: sharp.strategy.entropy
* });
* // Read image data from readableStream
* // Write 200px square auto-cropped image data to writableStream
* readableStream
* .pipe(transformer)
* .pipe(writableStream);
*
* @example
* sharp(input)
* .resize(200, 200, {
* fit: sharp.fit.inside,
* withoutEnlargement: true
* })
* .toFormat('jpeg')
* .toBuffer()
* .then(function(outputBuffer) {
* // outputBuffer contains JPEG image data
* // no wider and no higher than 200 pixels
* // and no larger than the input image
* });
*
* @example
* sharp(input)
* .resize(200, 200, {
* fit: sharp.fit.outside,
* withoutReduction: true
* })
* .toFormat('jpeg')
* .toBuffer()
* .then(function(outputBuffer) {
* // outputBuffer contains JPEG image data
* // of at least 200 pixels wide and 200 pixels high while maintaining aspect ratio
* // and no smaller than the input image
* });
*
* @example
* const scaleByHalf = await sharp(input)
* .metadata()
* .then(({ width }) => sharp(input)
* .resize(Math.round(width * 0.5))
* .toBuffer()
* );
*
* @param {number} [width] - How many pixels wide the resultant image should be. Use `null` or `undefined` to auto-scale the width to match the height.
* @param {number} [height] - How many pixels high the resultant image should be. Use `null` or `undefined` to auto-scale the height to match the width.
* @param {Object} [options]
* @param {number} [options.width] - An alternative means of specifying `width`. If both are present this takes priority.
* @param {number} [options.height] - An alternative means of specifying `height`. If both are present this takes priority.
* @param {String} [options.fit='cover'] - How the image should be resized/cropped to fit the target dimension(s), one of `cover`, `contain`, `fill`, `inside` or `outside`.
* @param {String} [options.position='centre'] - A position, gravity or strategy to use when `fit` is `cover` or `contain`.
* @param {String|Object} [options.background={r: 0, g: 0, b: 0, alpha: 1}] - background colour when `fit` is `contain`, parsed by the [color](https://www.npmjs.org/package/color) module, defaults to black without transparency.
* @param {String} [options.kernel='lanczos3'] - The kernel to use for image reduction and the inferred interpolator to use for upsampling. Use the `fastShrinkOnLoad` option to control kernel vs shrink-on-load.
* @param {Boolean} [options.withoutEnlargement=false] - Do not scale up if the width *or* height are already less than the target dimensions, equivalent to GraphicsMagick's `>` geometry option. This may result in output dimensions smaller than the target dimensions.
* @param {Boolean} [options.withoutReduction=false] - Do not scale down if the width *or* height are already greater than the target dimensions, equivalent to GraphicsMagick's `<` geometry option. This may still result in a crop to reach the target dimensions.
* @param {Boolean} [options.fastShrinkOnLoad=true] - Take greater advantage of the JPEG and WebP shrink-on-load feature, which can lead to a slight moiré pattern or round-down of an auto-scaled dimension.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function resize (widthOrOptions, height, options) {
if (isResizeExpected(this.options)) {
this.options.debuglog('ignoring previous resize options');
}
if (this.options.widthPost !== -1) {
this.options.debuglog('operation order will be: extract, resize, extract');
}
if (is.defined(widthOrOptions)) {
if (is.object(widthOrOptions) && !is.defined(options)) {
options = widthOrOptions;
} else if (is.integer(widthOrOptions) && widthOrOptions > 0) {
this.options.width = widthOrOptions;
} else {
throw is.invalidParameterError('width', 'positive integer', widthOrOptions);
}
} else {
this.options.width = -1;
}
if (is.defined(height)) {
if (is.integer(height) && height > 0) {
this.options.height = height;
} else {
throw is.invalidParameterError('height', 'positive integer', height);
}
} else {
this.options.height = -1;
}
if (is.object(options)) {
// Width
if (is.defined(options.width)) {
if (is.integer(options.width) && options.width > 0) {
this.options.width = options.width;
} else {
throw is.invalidParameterError('width', 'positive integer', options.width);
}
}
// Height
if (is.defined(options.height)) {
if (is.integer(options.height) && options.height > 0) {
this.options.height = options.height;
} else {
throw is.invalidParameterError('height', 'positive integer', options.height);
}
}
// Fit
if (is.defined(options.fit)) {
const canvas = mapFitToCanvas[options.fit];
if (is.string(canvas)) {
this.options.canvas = canvas;
} else {
throw is.invalidParameterError('fit', 'valid fit', options.fit);
}
}
// Position
if (is.defined(options.position)) {
const pos = is.integer(options.position)
? options.position
: strategy[options.position] || position[options.position] || gravity[options.position];
if (is.integer(pos) && (is.inRange(pos, 0, 8) || is.inRange(pos, 16, 17))) {
this.options.position = pos;
} else {
throw is.invalidParameterError('position', 'valid position/gravity/strategy', options.position);
}
}
// Background
this._setBackgroundColourOption('resizeBackground', options.background);
// Kernel
if (is.defined(options.kernel)) {
if (is.string(kernel[options.kernel])) {
this.options.kernel = kernel[options.kernel];
} else {
throw is.invalidParameterError('kernel', 'valid kernel name', options.kernel);
}
}
// Without enlargement
if (is.defined(options.withoutEnlargement)) {
this._setBooleanOption('withoutEnlargement', options.withoutEnlargement);
}
// Without reduction
if (is.defined(options.withoutReduction)) {
this._setBooleanOption('withoutReduction', options.withoutReduction);
}
// Shrink on load
if (is.defined(options.fastShrinkOnLoad)) {
this._setBooleanOption('fastShrinkOnLoad', options.fastShrinkOnLoad);
}
}
if (isRotationExpected(this.options) && isResizeExpected(this.options)) {
this.options.rotateBefore = true;
}
return this;
}
/**
* Extend / pad / extrude one or more edges of the image with either
* the provided background colour or pixels derived from the image.
* This operation will always occur after resizing and extraction, if any.
*
* @example
* // Resize to 140 pixels wide, then add 10 transparent pixels
* // to the top, left and right edges and 20 to the bottom edge
* sharp(input)
* .resize(140)
* .extend({
* top: 10,
* bottom: 20,
* left: 10,
* right: 10,
* background: { r: 0, g: 0, b: 0, alpha: 0 }
* })
* ...
*
* @example
* // Add a row of 10 red pixels to the bottom
* sharp(input)
* .extend({
* bottom: 10,
* background: 'red'
* })
* ...
*
* @example
* // Extrude image by 8 pixels to the right, mirroring existing right hand edge
* sharp(input)
* .extend({
* right: 8,
* background: 'mirror'
* })
* ...
*
* @param {(number|Object)} extend - single pixel count to add to all edges or an Object with per-edge counts
* @param {number} [extend.top=0]
* @param {number} [extend.left=0]
* @param {number} [extend.bottom=0]
* @param {number} [extend.right=0]
* @param {String} [extend.extendWith='background'] - populate new pixels using this method, one of: background, copy, repeat, mirror.
* @param {String|Object} [extend.background={r: 0, g: 0, b: 0, alpha: 1}] - background colour, parsed by the [color](https://www.npmjs.org/package/color) module, defaults to black without transparency.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function extend (extend) {
if (is.integer(extend) && extend > 0) {
this.options.extendTop = extend;
this.options.extendBottom = extend;
this.options.extendLeft = extend;
this.options.extendRight = extend;
} else if (is.object(extend)) {
if (is.defined(extend.top)) {
if (is.integer(extend.top) && extend.top >= 0) {
this.options.extendTop = extend.top;
} else {
throw is.invalidParameterError('top', 'positive integer', extend.top);
}
}
if (is.defined(extend.bottom)) {
if (is.integer(extend.bottom) && extend.bottom >= 0) {
this.options.extendBottom = extend.bottom;
} else {
throw is.invalidParameterError('bottom', 'positive integer', extend.bottom);
}
}
if (is.defined(extend.left)) {
if (is.integer(extend.left) && extend.left >= 0) {
this.options.extendLeft = extend.left;
} else {
throw is.invalidParameterError('left', 'positive integer', extend.left);
}
}
if (is.defined(extend.right)) {
if (is.integer(extend.right) && extend.right >= 0) {
this.options.extendRight = extend.right;
} else {
throw is.invalidParameterError('right', 'positive integer', extend.right);
}
}
this._setBackgroundColourOption('extendBackground', extend.background);
if (is.defined(extend.extendWith)) {
if (is.string(extendWith[extend.extendWith])) {
this.options.extendWith = extendWith[extend.extendWith];
} else {
throw is.invalidParameterError('extendWith', 'one of: background, copy, repeat, mirror', extend.extendWith);
}
}
} else {
throw is.invalidParameterError('extend', 'integer or object', extend);
}
return this;
}
/**
* Extract/crop a region of the image.
*
* - Use `extract` before `resize` for pre-resize extraction.
* - Use `extract` after `resize` for post-resize extraction.
* - Use `extract` twice and `resize` once for extract-then-resize-then-extract in a fixed operation order.
*
* @example
* sharp(input)
* .extract({ left: left, top: top, width: width, height: height })
* .toFile(output, function(err) {
* // Extract a region of the input image, saving in the same format.
* });
* @example
* sharp(input)
* .extract({ left: leftOffsetPre, top: topOffsetPre, width: widthPre, height: heightPre })
* .resize(width, height)
* .extract({ left: leftOffsetPost, top: topOffsetPost, width: widthPost, height: heightPost })
* .toFile(output, function(err) {
* // Extract a region, resize, then extract from the resized image
* });
*
* @param {Object} options - describes the region to extract using integral pixel values
* @param {number} options.left - zero-indexed offset from left edge
* @param {number} options.top - zero-indexed offset from top edge
* @param {number} options.width - width of region to extract
* @param {number} options.height - height of region to extract
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function extract (options) {
const suffix = isResizeExpected(this.options) || this.options.widthPre !== -1 ? 'Post' : 'Pre';
if (this.options[`width${suffix}`] !== -1) {
this.options.debuglog('ignoring previous extract options');
}
['left', 'top', 'width', 'height'].forEach(function (name) {
const value = options[name];
if (is.integer(value) && value >= 0) {
this.options[name + (name === 'left' || name === 'top' ? 'Offset' : '') + suffix] = value;
} else {
throw is.invalidParameterError(name, 'integer', value);
}
}, this);
// Ensure existing rotation occurs before pre-resize extraction
if (isRotationExpected(this.options) && !isResizeExpected(this.options)) {
if (this.options.widthPre === -1 || this.options.widthPost === -1) {
this.options.rotateBefore = true;
}
}
if (this.options.input.autoOrient) {
this.options.orientBefore = true;
}
return this;
}
/**
* Trim pixels from all edges that contain values similar to the given background colour, which defaults to that of the top-left pixel.
*
* Images with an alpha channel will use the combined bounding box of alpha and non-alpha channels.
*
* If the result of this operation would trim an image to nothing then no change is made.
*
* The `info` response Object will contain `trimOffsetLeft` and `trimOffsetTop` properties.
*
* @example
* // Trim pixels with a colour similar to that of the top-left pixel.
* await sharp(input)
* .trim()
* .toFile(output);
*
* @example
* // Trim pixels with the exact same colour as that of the top-left pixel.
* await sharp(input)
* .trim({
* threshold: 0
* })
* .toFile(output);
*
* @example
* // Assume input is line art and trim only pixels with a similar colour to red.
* const output = await sharp(input)
* .trim({
* background: "#FF0000",
* lineArt: true
* })
* .toBuffer();
*
* @example
* // Trim all "yellow-ish" pixels, being more lenient with the higher threshold.
* const output = await sharp(input)
* .trim({
* background: "yellow",
* threshold: 42,
* })
* .toBuffer();
*
* @param {Object} [options]
* @param {string|Object} [options.background='top-left pixel'] - Background colour, parsed by the [color](https://www.npmjs.org/package/color) module, defaults to that of the top-left pixel.
* @param {number} [options.threshold=10] - Allowed difference from the above colour, a positive number.
* @param {boolean} [options.lineArt=false] - Does the input more closely resemble line art (e.g. vector) rather than being photographic?
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
function trim (options) {
this.options.trimThreshold = 10;
if (is.defined(options)) {
if (is.object(options)) {
if (is.defined(options.background)) {
this._setBackgroundColourOption('trimBackground', options.background);
}
if (is.defined(options.threshold)) {
if (is.number(options.threshold) && options.threshold >= 0) {
this.options.trimThreshold = options.threshold;
} else {
throw is.invalidParameterError('threshold', 'positive number', options.threshold);
}
}
if (is.defined(options.lineArt)) {
this._setBooleanOption('trimLineArt', options.lineArt);
}
} else {
throw is.invalidParameterError('trim', 'object', options);
}
}
if (isRotationExpected(this.options)) {
this.options.rotateBefore = true;
}
return this;
}
/**
* Decorate the Sharp prototype with resize-related functions.
* @module Sharp
* @private
*/
module.exports = function (Sharp) {
Object.assign(Sharp.prototype, {
resize,
extend,
extract,
trim
});
// Class attributes
Sharp.gravity = gravity;
Sharp.strategy = strategy;
Sharp.kernel = kernel;
Sharp.fit = fit;
Sharp.position = position;
};

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
// Inspects the runtime environment and exports the relevant sharp.node binary
const { familySync, versionSync } = require('detect-libc');
const { runtimePlatformArch, isUnsupportedNodeRuntime, prebuiltPlatforms, minimumLibvipsVersion } = require('./libvips');
const runtimePlatform = runtimePlatformArch();
const paths = [
`../src/build/Release/sharp-${runtimePlatform}.node`,
'../src/build/Release/sharp-wasm32.node',
`@img/sharp-${runtimePlatform}/sharp.node`,
'@img/sharp-wasm32/sharp.node'
];
let path, sharp;
const errors = [];
for (path of paths) {
try {
sharp = require(path);
break;
} catch (err) {
/* istanbul ignore next */
errors.push(err);
}
}
/* istanbul ignore next */
if (sharp && path.startsWith('@img/sharp-linux-x64') && !sharp._isUsingX64V2()) {
const err = new Error('Prebuilt binaries for linux-x64 require v2 microarchitecture');
err.code = 'Unsupported CPU';
errors.push(err);
sharp = null;
}
/* istanbul ignore next */
if (sharp) {
module.exports = sharp;
} else {
const [isLinux, isMacOs, isWindows] = ['linux', 'darwin', 'win32'].map(os => runtimePlatform.startsWith(os));
const help = [`Could not load the "sharp" module using the ${runtimePlatform} runtime`];
errors.forEach(err => {
if (err.code !== 'MODULE_NOT_FOUND') {
help.push(`${err.code}: ${err.message}`);
}
});
const messages = errors.map(err => err.message).join(' ');
help.push('Possible solutions:');
// Common error messages
if (isUnsupportedNodeRuntime()) {
const { found, expected } = isUnsupportedNodeRuntime();
help.push(
'- Please upgrade Node.js:',
` Found ${found}`,
` Requires ${expected}`
);
} else if (prebuiltPlatforms.includes(runtimePlatform)) {
const [os, cpu] = runtimePlatform.split('-');
const libc = os.endsWith('musl') ? ' --libc=musl' : '';
help.push(
'- Ensure optional dependencies can be installed:',
' npm install --include=optional sharp',
'- Ensure your package manager supports multi-platform installation:',
' See https://sharp.pixelplumbing.com/install#cross-platform',
'- Add platform-specific dependencies:',
` npm install --os=${os.replace('musl', '')}${libc} --cpu=${cpu} sharp`
);
} else {
help.push(
`- Manually install libvips >= ${minimumLibvipsVersion}`,
'- Add experimental WebAssembly-based dependencies:',
' npm install --cpu=wasm32 sharp',
' npm install @img/sharp-wasm32'
);
}
if (isLinux && /(symbol not found|CXXABI_)/i.test(messages)) {
try {
const { config } = require(`@img/sharp-libvips-${runtimePlatform}/package`);
const libcFound = `${familySync()} ${versionSync()}`;
const libcRequires = `${config.musl ? 'musl' : 'glibc'} ${config.musl || config.glibc}`;
help.push(
'- Update your OS:',
` Found ${libcFound}`,
` Requires ${libcRequires}`
);
} catch (errEngines) {}
}
if (isLinux && /\/snap\/core[0-9]{2}/.test(messages)) {
help.push(
'- Remove the Node.js Snap, which does not support native modules',
' snap remove node'
);
}
if (isMacOs && /Incompatible library version/.test(messages)) {
help.push(
'- Update Homebrew:',
' brew update && brew upgrade vips'
);
}
if (errors.some(err => err.code === 'ERR_DLOPEN_DISABLED')) {
help.push('- Run Node.js without using the --no-addons flag');
}
// Link to installation docs
if (isWindows && /The specified procedure could not be found/.test(messages)) {
help.push(
'- Using the canvas package on Windows?',
' See https://sharp.pixelplumbing.com/install#canvas-and-windows',
'- Check for outdated versions of sharp in the dependency tree:',
' npm ls sharp'
);
}
help.push(
'- Consult the installation documentation:',
' See https://sharp.pixelplumbing.com/install'
);
throw new Error(help.join('\n'));
}

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
'use strict';
const events = require('node:events');
const detectLibc = require('detect-libc');
const is = require('./is');
const { runtimePlatformArch } = require('./libvips');
const sharp = require('./sharp');
const runtimePlatform = runtimePlatformArch();
const libvipsVersion = sharp.libvipsVersion();
/**
* An Object containing nested boolean values representing the available input and output formats/methods.
* @member
* @example
* console.log(sharp.format);
* @returns {Object}
*/
const format = sharp.format();
format.heif.output.alias = ['avif', 'heic'];
format.jpeg.output.alias = ['jpe', 'jpg'];
format.tiff.output.alias = ['tif'];
format.jp2k.output.alias = ['j2c', 'j2k', 'jp2', 'jpx'];
/**
* An Object containing the available interpolators and their proper values
* @readonly
* @enum {string}
*/
const interpolators = {
/** [Nearest neighbour interpolation](http://en.wikipedia.org/wiki/Nearest-neighbor_interpolation). Suitable for image enlargement only. */
nearest: 'nearest',
/** [Bilinear interpolation](http://en.wikipedia.org/wiki/Bilinear_interpolation). Faster than bicubic but with less smooth results. */
bilinear: 'bilinear',
/** [Bicubic interpolation](http://en.wikipedia.org/wiki/Bicubic_interpolation) (the default). */
bicubic: 'bicubic',
/** [LBB interpolation](https://github.com/libvips/libvips/blob/master/libvips/resample/lbb.cpp#L100). Prevents some "[acutance](http://en.wikipedia.org/wiki/Acutance)" but typically reduces performance by a factor of 2. */
locallyBoundedBicubic: 'lbb',
/** [Nohalo interpolation](http://eprints.soton.ac.uk/268086/). Prevents acutance but typically reduces performance by a factor of 3. */
nohalo: 'nohalo',
/** [VSQBS interpolation](https://github.com/libvips/libvips/blob/master/libvips/resample/vsqbs.cpp#L48). Prevents "staircasing" when enlarging. */
vertexSplitQuadraticBasisSpline: 'vsqbs'
};
/**
* An Object containing the version numbers of sharp, libvips
* and (when using prebuilt binaries) its dependencies.
*
* @member
* @example
* console.log(sharp.versions);
*/
let versions = {
vips: libvipsVersion.semver
};
/* istanbul ignore next */
if (!libvipsVersion.isGlobal) {
if (!libvipsVersion.isWasm) {
try {
versions = require(`@img/sharp-${runtimePlatform}/versions`);
} catch (_) {
try {
versions = require(`@img/sharp-libvips-${runtimePlatform}/versions`);
} catch (_) {}
}
} else {
try {
versions = require('@img/sharp-wasm32/versions');
} catch (_) {}
}
}
versions.sharp = require('../package.json').version;
/* istanbul ignore next */
if (versions.heif && format.heif) {
// Prebuilt binaries provide AV1
format.heif.input.fileSuffix = ['.avif'];
format.heif.output.alias = ['avif'];
}
/**
* Gets or, when options are provided, sets the limits of _libvips'_ operation cache.
* Existing entries in the cache will be trimmed after any change in limits.
* This method always returns cache statistics,
* useful for determining how much working memory is required for a particular task.
*
* @example
* const stats = sharp.cache();
* @example
* sharp.cache( { items: 200 } );
* sharp.cache( { files: 0 } );
* sharp.cache(false);
*
* @param {Object|boolean} [options=true] - Object with the following attributes, or boolean where true uses default cache settings and false removes all caching
* @param {number} [options.memory=50] - is the maximum memory in MB to use for this cache
* @param {number} [options.files=20] - is the maximum number of files to hold open
* @param {number} [options.items=100] - is the maximum number of operations to cache
* @returns {Object}
*/
function cache (options) {
if (is.bool(options)) {
if (options) {
// Default cache settings of 50MB, 20 files, 100 items
return sharp.cache(50, 20, 100);
} else {
return sharp.cache(0, 0, 0);
}
} else if (is.object(options)) {
return sharp.cache(options.memory, options.files, options.items);
} else {
return sharp.cache();
}
}
cache(true);
/**
* Gets or, when a concurrency is provided, sets
* the maximum number of threads _libvips_ should use to process _each image_.
* These are from a thread pool managed by glib,
* which helps avoid the overhead of creating new threads.
*
* This method always returns the current concurrency.
*
* The default value is the number of CPU cores,
* except when using glibc-based Linux without jemalloc,
* where the default is `1` to help reduce memory fragmentation.
*
* A value of `0` will reset this to the number of CPU cores.
*
* Some image format libraries spawn additional threads,
* e.g. libaom manages its own 4 threads when encoding AVIF images,
* and these are independent of the value set here.
*
* :::note
* Further {@link /performance|control over performance} is available.
* :::
*
* @example
* const threads = sharp.concurrency(); // 4
* sharp.concurrency(2); // 2
* sharp.concurrency(0); // 4
*
* @param {number} [concurrency]
* @returns {number} concurrency
*/
function concurrency (concurrency) {
return sharp.concurrency(is.integer(concurrency) ? concurrency : null);
}
/* istanbul ignore next */
if (detectLibc.familySync() === detectLibc.GLIBC && !sharp._isUsingJemalloc()) {
// Reduce default concurrency to 1 when using glibc memory allocator
sharp.concurrency(1);
} else if (detectLibc.familySync() === detectLibc.MUSL && sharp.concurrency() === 1024) {
// Reduce default concurrency when musl thread over-subscription detected
sharp.concurrency(require('node:os').availableParallelism());
}
/**
* An EventEmitter that emits a `change` event when a task is either:
* - queued, waiting for _libuv_ to provide a worker thread
* - complete
* @member
* @example
* sharp.queue.on('change', function(queueLength) {
* console.log('Queue contains ' + queueLength + ' task(s)');
* });
*/
const queue = new events.EventEmitter();
/**
* Provides access to internal task counters.
* - queue is the number of tasks this module has queued waiting for _libuv_ to provide a worker thread from its pool.
* - process is the number of resize tasks currently being processed.
*
* @example
* const counters = sharp.counters(); // { queue: 2, process: 4 }
*
* @returns {Object}
*/
function counters () {
return sharp.counters();
}
/**
* Get and set use of SIMD vector unit instructions.
* Requires libvips to have been compiled with highway support.
*
* Improves the performance of `resize`, `blur` and `sharpen` operations
* by taking advantage of the SIMD vector unit of the CPU, e.g. Intel SSE and ARM NEON.
*
* @example
* const simd = sharp.simd();
* // simd is `true` if the runtime use of highway is currently enabled
* @example
* const simd = sharp.simd(false);
* // prevent libvips from using highway at runtime
*
* @param {boolean} [simd=true]
* @returns {boolean}
*/
function simd (simd) {
return sharp.simd(is.bool(simd) ? simd : null);
}
/**
* Block libvips operations at runtime.
*
* This is in addition to the `VIPS_BLOCK_UNTRUSTED` environment variable,
* which when set will block all "untrusted" operations.
*
* @since 0.32.4
*
* @example <caption>Block all TIFF input.</caption>
* sharp.block({
* operation: ['VipsForeignLoadTiff']
* });
*
* @param {Object} options
* @param {Array<string>} options.operation - List of libvips low-level operation names to block.
*/
function block (options) {
if (is.object(options)) {
if (Array.isArray(options.operation) && options.operation.every(is.string)) {
sharp.block(options.operation, true);
} else {
throw is.invalidParameterError('operation', 'Array<string>', options.operation);
}
} else {
throw is.invalidParameterError('options', 'object', options);
}
}
/**
* Unblock libvips operations at runtime.
*
* This is useful for defining a list of allowed operations.
*
* @since 0.32.4
*
* @example <caption>Block all input except WebP from the filesystem.</caption>
* sharp.block({
* operation: ['VipsForeignLoad']
* });
* sharp.unblock({
* operation: ['VipsForeignLoadWebpFile']
* });
*
* @example <caption>Block all input except JPEG and PNG from a Buffer or Stream.</caption>
* sharp.block({
* operation: ['VipsForeignLoad']
* });
* sharp.unblock({
* operation: ['VipsForeignLoadJpegBuffer', 'VipsForeignLoadPngBuffer']
* });
*
* @param {Object} options
* @param {Array<string>} options.operation - List of libvips low-level operation names to unblock.
*/
function unblock (options) {
if (is.object(options)) {
if (Array.isArray(options.operation) && options.operation.every(is.string)) {
sharp.block(options.operation, false);
} else {
throw is.invalidParameterError('operation', 'Array<string>', options.operation);
}
} else {
throw is.invalidParameterError('options', 'object', options);
}
}
/**
* Decorate the Sharp class with utility-related functions.
* @module Sharp
* @private
*/
module.exports = function (Sharp) {
Sharp.cache = cache;
Sharp.concurrency = concurrency;
Sharp.counters = counters;
Sharp.simd = simd;
Sharp.format = format;
Sharp.interpolators = interpolators;
Sharp.versions = versions;
Sharp.queue = queue;
Sharp.block = block;
Sharp.unblock = unblock;
};

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{
"name": "sharp",
"description": "High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, GIF, AVIF and TIFF images",
"version": "0.34.4",
"author": "Lovell Fuller <npm@lovell.info>",
"homepage": "https://sharp.pixelplumbing.com",
"contributors": [
"Pierre Inglebert <pierre.inglebert@gmail.com>",
"Jonathan Ong <jonathanrichardong@gmail.com>",
"Chanon Sajjamanochai <chanon.s@gmail.com>",
"Juliano Julio <julianojulio@gmail.com>",
"Daniel Gasienica <daniel@gasienica.ch>",
"Julian Walker <julian@fiftythree.com>",
"Amit Pitaru <pitaru.amit@gmail.com>",
"Brandon Aaron <hello.brandon@aaron.sh>",
"Andreas Lind <andreas@one.com>",
"Maurus Cuelenaere <mcuelenaere@gmail.com>",
"Linus Unnebäck <linus@folkdatorn.se>",
"Victor Mateevitsi <mvictoras@gmail.com>",
"Alaric Holloway <alaric.holloway@gmail.com>",
"Bernhard K. Weisshuhn <bkw@codingforce.com>",
"Chris Riley <criley@primedia.com>",
"David Carley <dacarley@gmail.com>",
"John Tobin <john@limelightmobileinc.com>",
"Kenton Gray <kentongray@gmail.com>",
"Felix Bünemann <Felix.Buenemann@gmail.com>",
"Samy Al Zahrani <samyalzahrany@gmail.com>",
"Chintan Thakkar <lemnisk8@gmail.com>",
"F. Orlando Galashan <frulo@gmx.de>",
"Kleis Auke Wolthuizen <info@kleisauke.nl>",
"Matt Hirsch <mhirsch@media.mit.edu>",
"Matthias Thoemmes <thoemmes@gmail.com>",
"Patrick Paskaris <patrick@paskaris.gr>",
"Jérémy Lal <kapouer@melix.org>",
"Rahul Nanwani <r.nanwani@gmail.com>",
"Alice Monday <alice0meta@gmail.com>",
"Kristo Jorgenson <kristo.jorgenson@gmail.com>",
"YvesBos <yves_bos@outlook.com>",
"Guy Maliar <guy@tailorbrands.com>",
"Nicolas Coden <nicolas@ncoden.fr>",
"Matt Parrish <matt.r.parrish@gmail.com>",
"Marcel Bretschneider <marcel.bretschneider@gmail.com>",
"Matthew McEachen <matthew+github@mceachen.org>",
"Jarda Kotěšovec <jarda.kotesovec@gmail.com>",
"Kenric D'Souza <kenric.dsouza@gmail.com>",
"Oleh Aleinyk <oleg.aleynik@gmail.com>",
"Marcel Bretschneider <marcel.bretschneider@gmail.com>",
"Andrea Bianco <andrea.bianco@unibas.ch>",
"Rik Heywood <rik@rik.org>",
"Thomas Parisot <hi@oncletom.io>",
"Nathan Graves <nathanrgraves+github@gmail.com>",
"Tom Lokhorst <tom@lokhorst.eu>",
"Espen Hovlandsdal <espen@hovlandsdal.com>",
"Sylvain Dumont <sylvain.dumont35@gmail.com>",
"Alun Davies <alun.owain.davies@googlemail.com>",
"Aidan Hoolachan <ajhoolachan21@gmail.com>",
"Axel Eirola <axel.eirola@iki.fi>",
"Freezy <freezy@xbmc.org>",
"Daiz <taneli.vatanen@gmail.com>",
"Julian Aubourg <j@ubourg.net>",
"Keith Belovay <keith@picthrive.com>",
"Michael B. Klein <mbklein@gmail.com>",
"Jordan Prudhomme <jordan@raboland.fr>",
"Ilya Ovdin <iovdin@gmail.com>",
"Andargor <andargor@yahoo.com>",
"Paul Neave <paul.neave@gmail.com>",
"Brendan Kennedy <brenwken@gmail.com>",
"Brychan Bennett-Odlum <git@brychan.io>",
"Edward Silverton <e.silverton@gmail.com>",
"Roman Malieiev <aromaleev@gmail.com>",
"Tomas Szabo <tomas.szabo@deftomat.com>",
"Robert O'Rourke <robert@o-rourke.org>",
"Guillermo Alfonso Varela Chouciño <guillevch@gmail.com>",
"Christian Flintrup <chr@gigahost.dk>",
"Manan Jadhav <manan@motionden.com>",
"Leon Radley <leon@radley.se>",
"alza54 <alza54@thiocod.in>",
"Jacob Smith <jacob@frende.me>",
"Michael Nutt <michael@nutt.im>",
"Brad Parham <baparham@gmail.com>",
"Taneli Vatanen <taneli.vatanen@gmail.com>",
"Joris Dugué <zaruike10@gmail.com>",
"Chris Banks <christopher.bradley.banks@gmail.com>",
"Ompal Singh <ompal.hitm09@gmail.com>",
"Brodan <christopher.hranj@gmail.com>",
"Ankur Parihar <ankur.github@gmail.com>",
"Brahim Ait elhaj <brahima@gmail.com>",
"Mart Jansink <m.jansink@gmail.com>",
"Lachlan Newman <lachnewman007@gmail.com>",
"Dennis Beatty <dennis@dcbeatty.com>",
"Ingvar Stepanyan <me@rreverser.com>",
"Don Denton <don@happycollision.com>"
],
"scripts": {
"install": "node install/check.js",
"clean": "rm -rf src/build/ .nyc_output/ coverage/ test/fixtures/output.*",
"test": "npm run test-lint && npm run test-unit && npm run test-licensing && npm run test-types",
"test-lint": "semistandard && cpplint",
"test-unit": "nyc --reporter=lcov --reporter=text --check-coverage --branches=100 mocha",
"test-licensing": "license-checker --production --summary --onlyAllow=\"Apache-2.0;BSD;ISC;LGPL-3.0-or-later;MIT\"",
"test-leak": "./test/leak/leak.sh",
"test-types": "tsd",
"package-from-local-build": "node npm/from-local-build.js",
"package-release-notes": "node npm/release-notes.js",
"docs-build": "node docs/build.mjs",
"docs-serve": "cd docs && npm start",
"docs-publish": "cd docs && npm run build && npx firebase-tools deploy --project pixelplumbing --only hosting:pixelplumbing-sharp"
},
"type": "commonjs",
"main": "lib/index.js",
"types": "lib/index.d.ts",
"files": [
"install",
"lib",
"src/*.{cc,h,gyp}"
],
"repository": {
"type": "git",
"url": "git://github.com/lovell/sharp.git"
},
"keywords": [
"jpeg",
"png",
"webp",
"avif",
"tiff",
"gif",
"svg",
"jp2",
"dzi",
"image",
"resize",
"thumbnail",
"crop",
"embed",
"libvips",
"vips"
],
"dependencies": {
"@img/colour": "^1.0.0",
"detect-libc": "^2.1.0",
"semver": "^7.7.2"
},
"optionalDependencies": {
"@img/sharp-darwin-arm64": "0.34.4",
"@img/sharp-darwin-x64": "0.34.4",
"@img/sharp-libvips-darwin-arm64": "1.2.3",
"@img/sharp-libvips-darwin-x64": "1.2.3",
"@img/sharp-libvips-linux-arm": "1.2.3",
"@img/sharp-libvips-linux-arm64": "1.2.3",
"@img/sharp-libvips-linux-ppc64": "1.2.3",
"@img/sharp-libvips-linux-s390x": "1.2.3",
"@img/sharp-libvips-linux-x64": "1.2.3",
"@img/sharp-libvips-linuxmusl-arm64": "1.2.3",
"@img/sharp-libvips-linuxmusl-x64": "1.2.3",
"@img/sharp-linux-arm": "0.34.4",
"@img/sharp-linux-arm64": "0.34.4",
"@img/sharp-linux-ppc64": "0.34.4",
"@img/sharp-linux-s390x": "0.34.4",
"@img/sharp-linux-x64": "0.34.4",
"@img/sharp-linuxmusl-arm64": "0.34.4",
"@img/sharp-linuxmusl-x64": "0.34.4",
"@img/sharp-wasm32": "0.34.4",
"@img/sharp-win32-arm64": "0.34.4",
"@img/sharp-win32-ia32": "0.34.4",
"@img/sharp-win32-x64": "0.34.4"
},
"devDependencies": {
"@emnapi/runtime": "^1.5.0",
"@img/sharp-libvips-dev": "1.2.3",
"@img/sharp-libvips-dev-wasm32": "1.2.3",
"@img/sharp-libvips-win32-arm64": "1.2.3",
"@img/sharp-libvips-win32-ia32": "1.2.3",
"@img/sharp-libvips-win32-x64": "1.2.3",
"@types/node": "*",
"cc": "^3.0.1",
"emnapi": "^1.5.0",
"exif-reader": "^2.0.2",
"extract-zip": "^2.0.1",
"icc": "^3.0.0",
"jsdoc-to-markdown": "^9.1.2",
"license-checker": "^25.0.1",
"mocha": "^11.7.2",
"node-addon-api": "^8.5.0",
"node-gyp": "^11.4.2",
"nyc": "^17.1.0",
"semistandard": "^17.0.0",
"tar-fs": "^3.1.1",
"tsd": "^0.33.0"
},
"license": "Apache-2.0",
"engines": {
"node": "^18.17.0 || ^20.3.0 || >=21.0.0"
},
"config": {
"libvips": ">=8.17.2"
},
"funding": {
"url": "https://opencollective.com/libvips"
},
"semistandard": {
"env": [
"mocha"
]
},
"cc": {
"linelength": "120",
"filter": [
"build/include"
]
},
"nyc": {
"include": [
"lib"
]
},
"tsd": {
"directory": "test/types/"
}
}

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# Copyright 2013 Lovell Fuller and others.
# SPDX-License-Identifier: Apache-2.0
{
'variables': {
'vips_version': '<!(node -p "require(\'../lib/libvips\').minimumLibvipsVersion")',
'platform_and_arch': '<!(node -p "require(\'../lib/libvips\').buildPlatformArch()")',
'sharp_libvips_version': '<!(node -p "require(\'../package.json\').optionalDependencies[\'@img/sharp-libvips-<(platform_and_arch)\']")',
'sharp_libvips_yarn_locator': '<!(node -p "require(\'../lib/libvips\').yarnLocator()")',
'sharp_libvips_include_dir': '<!(node -p "require(\'../lib/libvips\').buildSharpLibvipsIncludeDir()")',
'sharp_libvips_cplusplus_dir': '<!(node -p "require(\'../lib/libvips\').buildSharpLibvipsCPlusPlusDir()")',
'sharp_libvips_lib_dir': '<!(node -p "require(\'../lib/libvips\').buildSharpLibvipsLibDir()")'
},
'targets': [{
'target_name': 'libvips-cpp-<(vips_version)',
'conditions': [
['OS == "win"', {
# Build libvips C++ binding for Windows due to MSVC std library ABI changes
'type': 'shared_library',
'defines': [
'_VIPS_PUBLIC=__declspec(dllexport)',
'_ALLOW_KEYWORD_MACROS',
'G_DISABLE_ASSERT',
'G_DISABLE_CAST_CHECKS',
'G_DISABLE_CHECKS'
],
'sources': [
'<(sharp_libvips_cplusplus_dir)/VConnection.cpp',
'<(sharp_libvips_cplusplus_dir)/VError.cpp',
'<(sharp_libvips_cplusplus_dir)/VImage.cpp',
'<(sharp_libvips_cplusplus_dir)/VInterpolate.cpp',
'<(sharp_libvips_cplusplus_dir)/VRegion.cpp'
],
'include_dirs': [
'<(sharp_libvips_include_dir)',
'<(sharp_libvips_include_dir)/glib-2.0',
'<(sharp_libvips_lib_dir)/glib-2.0/include'
],
'link_settings': {
'library_dirs': [
'<(sharp_libvips_lib_dir)'
],
'libraries': [
'libvips.lib'
],
},
'configurations': {
'Release': {
'msvs_settings': {
'VCCLCompilerTool': {
"AdditionalOptions": [
"/std:c++17"
],
'ExceptionHandling': 1,
'Optimization': 1,
'WholeProgramOptimization': 'true'
},
'VCLibrarianTool': {
'AdditionalOptions': [
'/LTCG:INCREMENTAL'
]
},
'VCLinkerTool': {
'ImageHasSafeExceptionHandlers': 'false',
'OptimizeReferences': 2,
'EnableCOMDATFolding': 2,
'LinkIncremental': 1,
'AdditionalOptions': [
'/LTCG:INCREMENTAL'
]
}
},
'msvs_disabled_warnings': [
4275
]
}
}
}, {
# Ignore this target for non-Windows
'type': 'none'
}]
]
}, {
'target_name': 'sharp-<(platform_and_arch)',
'defines': [
'G_DISABLE_ASSERT',
'G_DISABLE_CAST_CHECKS',
'G_DISABLE_CHECKS',
'NAPI_VERSION=9',
'NODE_ADDON_API_DISABLE_DEPRECATED',
'NODE_API_SWALLOW_UNTHROWABLE_EXCEPTIONS'
],
'dependencies': [
'<!(node -p "require(\'node-addon-api\').gyp")',
'libvips-cpp-<(vips_version)'
],
'variables': {
'conditions': [
['OS != "win"', {
'pkg_config_path': '<!(node -p "require(\'../lib/libvips\').pkgConfigPath()")',
'use_global_libvips': '<!(node -p "Boolean(require(\'../lib/libvips\').useGlobalLibvips()).toString()")'
}, {
'pkg_config_path': '',
'use_global_libvips': ''
}]
]
},
'sources': [
'common.cc',
'metadata.cc',
'stats.cc',
'operations.cc',
'pipeline.cc',
'utilities.cc',
'sharp.cc'
],
'include_dirs': [
'<!(node -p "require(\'node-addon-api\').include_dir")',
],
'conditions': [
['use_global_libvips == "true"', {
# Use pkg-config for include and lib
'include_dirs': ['<!@(PKG_CONFIG_PATH="<(pkg_config_path)" pkg-config --cflags-only-I vips-cpp vips glib-2.0 | sed s\/-I//g)'],
'libraries': ['<!@(PKG_CONFIG_PATH="<(pkg_config_path)" pkg-config --libs vips-cpp)'],
'defines': [
'SHARP_USE_GLOBAL_LIBVIPS'
],
'conditions': [
['OS == "linux"', {
'defines': [
# Inspect libvips-cpp.so to determine which C++11 ABI version was used and set _GLIBCXX_USE_CXX11_ABI accordingly. This is quite horrible.
'_GLIBCXX_USE_CXX11_ABI=<!(if readelf -Ws "$(PKG_CONFIG_PATH="<(pkg_config_path)" pkg-config --variable libdir vips-cpp)/libvips-cpp.so" | c++filt | grep -qF __cxx11;then echo "1";else echo "0";fi)'
]
}]
]
}, {
# Use pre-built libvips stored locally within node_modules
'include_dirs': [
'<(sharp_libvips_include_dir)',
'<(sharp_libvips_include_dir)/glib-2.0',
'<(sharp_libvips_lib_dir)/glib-2.0/include'
],
'library_dirs': [
'<(sharp_libvips_lib_dir)'
],
'conditions': [
['OS == "win"', {
'defines': [
'_ALLOW_KEYWORD_MACROS',
'_FILE_OFFSET_BITS=64'
],
'link_settings': {
'libraries': [
'libvips.lib'
]
}
}],
['OS == "mac"', {
'link_settings': {
'libraries': [
'libvips-cpp.<(vips_version).dylib'
]
},
'xcode_settings': {
'OTHER_LDFLAGS': [
'-Wl,-s',
'-Wl,-dead_strip',
# Ensure runtime linking is relative to sharp.node
'-Wl,-rpath,\'@loader_path/../../sharp-libvips-<(platform_and_arch)/lib\'',
'-Wl,-rpath,\'@loader_path/../../../sharp-libvips-<(platform_and_arch)/<(sharp_libvips_version)/lib\'',
'-Wl,-rpath,\'@loader_path/../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
'-Wl,-rpath,\'@loader_path/../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
'-Wl,-rpath,\'@loader_path/../../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
'-Wl,-rpath,\'@loader_path/../../../../../@img-sharp-libvips-<(platform_and_arch)-npm-<(sharp_libvips_version)-<(sharp_libvips_yarn_locator)/node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\''
]
}
}],
['OS == "linux"', {
'defines': [
'_GLIBCXX_USE_CXX11_ABI=1'
],
'cflags_cc': [
'<!(node -p "require(\'detect-libc\').isNonGlibcLinuxSync() ? \'\' : \'-flto=auto\'")'
],
'link_settings': {
'libraries': [
'-l:libvips-cpp.so.<(vips_version)'
],
'ldflags': [
'-lstdc++fs',
'-Wl,-s',
'-Wl,--disable-new-dtags',
'-Wl,-z,nodelete',
'-Wl,-Bsymbolic-functions',
'-Wl,-rpath=\'$$ORIGIN/../../sharp-libvips-<(platform_and_arch)/lib\'',
'-Wl,-rpath=\'$$ORIGIN/../../../sharp-libvips-<(platform_and_arch)/<(sharp_libvips_version)/lib\'',
'-Wl,-rpath=\'$$ORIGIN/../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
'-Wl,-rpath=\'$$ORIGIN/../../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
'-Wl,-rpath,\'$$ORIGIN/../../../../../@img-sharp-libvips-<(platform_and_arch)-npm-<(sharp_libvips_version)-<(sharp_libvips_yarn_locator)/node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\''
]
}
}],
['OS == "emscripten"', {
'product_extension': 'node.js',
'link_settings': {
'ldflags': [
'-fexceptions',
'--pre-js=<!(node -p "require.resolve(\'./emscripten/pre.js\')")',
'-Oz',
'-sALLOW_MEMORY_GROWTH',
'-sENVIRONMENT=node',
'-sEXPORTED_FUNCTIONS=emnapiInit,_vips_shutdown,_uv_library_shutdown',
'-sNODERAWFS',
'-sWASM_ASYNC_COMPILATION=0'
],
'libraries': [
'<!@(PKG_CONFIG_PATH="<!(node -p "require(\'@img/sharp-libvips-dev-wasm32/lib\')")/pkgconfig" pkg-config --static --libs vips-cpp)'
],
}
}]
]
}]
],
'cflags_cc': [
'-std=c++17',
'-fexceptions',
'-Wall',
'-Os'
],
'xcode_settings': {
'CLANG_CXX_LANGUAGE_STANDARD': 'c++17',
'MACOSX_DEPLOYMENT_TARGET': '10.15',
'GCC_ENABLE_CPP_EXCEPTIONS': 'YES',
'GCC_ENABLE_CPP_RTTI': 'YES',
'OTHER_CPLUSPLUSFLAGS': [
'-fexceptions',
'-Wall',
'-Oz'
]
},
'configurations': {
'Release': {
'conditions': [
['target_arch == "arm"', {
'cflags_cc': [
'-Wno-psabi'
]
}],
['OS == "win"', {
'msvs_settings': {
'VCCLCompilerTool': {
"AdditionalOptions": [
"/std:c++17"
],
'ExceptionHandling': 1,
'Optimization': 1,
'WholeProgramOptimization': 'true'
},
'VCLibrarianTool': {
'AdditionalOptions': [
'/LTCG:INCREMENTAL'
]
},
'VCLinkerTool': {
'ImageHasSafeExceptionHandlers': 'false',
'OptimizeReferences': 2,
'EnableCOMDATFolding': 2,
'LinkIncremental': 1,
'AdditionalOptions': [
'/LTCG:INCREMENTAL'
]
}
},
'msvs_disabled_warnings': [
4275
]
}]
]
}
},
}, {
'target_name': 'copy-dll',
'type': 'none',
'dependencies': [
'sharp-<(platform_and_arch)'
],
'conditions': [
['OS == "win"', {
'copies': [{
'destination': 'build/Release',
'files': [
'<(sharp_libvips_lib_dir)/libvips-42.dll'
]
}]
}]
]
}]
}

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#ifndef SRC_COMMON_H_
#define SRC_COMMON_H_
#include <string>
#include <tuple>
#include <vector>
#include <atomic>
#include <napi.h>
#include <vips/vips8>
// Verify platform and compiler compatibility
#if (VIPS_MAJOR_VERSION < 8) || \
(VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION < 17) || \
(VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION == 17 && VIPS_MICRO_VERSION < 2)
#error "libvips version 8.17.2+ is required - please see https://sharp.pixelplumbing.com/install"
#endif
#if defined(__has_include)
#if !__has_include(<filesystem>)
#error "C++17 compiler required - please see https://sharp.pixelplumbing.com/install"
#endif
#endif
using vips::VImage;
namespace sharp {
struct InputDescriptor { // NOLINT(runtime/indentation_namespace)
std::string name;
std::string file;
bool autoOrient;
char *buffer;
VipsFailOn failOn;
uint64_t limitInputPixels;
bool unlimited;
VipsAccess access;
size_t bufferLength;
bool isBuffer;
double density;
bool ignoreIcc;
VipsBandFormat rawDepth;
int rawChannels;
int rawWidth;
int rawHeight;
bool rawPremultiplied;
int rawPageHeight;
int pages;
int page;
int createChannels;
int createWidth;
int createHeight;
int createPageHeight;
std::vector<double> createBackground;
std::string createNoiseType;
double createNoiseMean;
double createNoiseSigma;
std::string textValue;
std::string textFont;
std::string textFontfile;
int textWidth;
int textHeight;
VipsAlign textAlign;
bool textJustify;
int textDpi;
bool textRgba;
int textSpacing;
VipsTextWrap textWrap;
int textAutofitDpi;
bool joinAnimated;
int joinAcross;
int joinShim;
std::vector<double> joinBackground;
VipsAlign joinHalign;
VipsAlign joinValign;
std::string svgStylesheet;
bool svgHighBitdepth;
int tiffSubifd;
int openSlideLevel;
std::vector<double> pdfBackground;
bool jp2Oneshot;
InputDescriptor():
autoOrient(false),
buffer(nullptr),
failOn(VIPS_FAIL_ON_WARNING),
limitInputPixels(0x3FFF * 0x3FFF),
unlimited(false),
access(VIPS_ACCESS_SEQUENTIAL),
bufferLength(0),
isBuffer(false),
density(72.0),
ignoreIcc(false),
rawDepth(VIPS_FORMAT_UCHAR),
rawChannels(0),
rawWidth(0),
rawHeight(0),
rawPremultiplied(false),
rawPageHeight(0),
pages(1),
page(0),
createChannels(0),
createWidth(0),
createHeight(0),
createPageHeight(0),
createBackground{ 0.0, 0.0, 0.0, 255.0 },
createNoiseMean(0.0),
createNoiseSigma(0.0),
textWidth(0),
textHeight(0),
textAlign(VIPS_ALIGN_LOW),
textJustify(false),
textDpi(72),
textRgba(false),
textSpacing(0),
textWrap(VIPS_TEXT_WRAP_WORD),
textAutofitDpi(0),
joinAnimated(false),
joinAcross(1),
joinShim(0),
joinBackground{ 0.0, 0.0, 0.0, 255.0 },
joinHalign(VIPS_ALIGN_LOW),
joinValign(VIPS_ALIGN_LOW),
svgHighBitdepth(false),
tiffSubifd(-1),
openSlideLevel(0),
pdfBackground{ 255.0, 255.0, 255.0, 255.0 },
jp2Oneshot(false) {}
};
// Convenience methods to access the attributes of a Napi::Object
bool HasAttr(Napi::Object obj, std::string attr);
std::string AttrAsStr(Napi::Object obj, std::string attr);
std::string AttrAsStr(Napi::Object obj, unsigned int const attr);
uint32_t AttrAsUint32(Napi::Object obj, std::string attr);
int32_t AttrAsInt32(Napi::Object obj, std::string attr);
int32_t AttrAsInt32(Napi::Object obj, unsigned int const attr);
double AttrAsDouble(Napi::Object obj, std::string attr);
double AttrAsDouble(Napi::Object obj, unsigned int const attr);
bool AttrAsBool(Napi::Object obj, std::string attr);
std::vector<double> AttrAsVectorOfDouble(Napi::Object obj, std::string attr);
std::vector<int32_t> AttrAsInt32Vector(Napi::Object obj, std::string attr);
template <class T> T AttrAsEnum(Napi::Object obj, std::string attr, GType type) {
return static_cast<T>(
vips_enum_from_nick(nullptr, type, AttrAsStr(obj, attr).data()));
}
// Create an InputDescriptor instance from a Napi::Object describing an input image
InputDescriptor* CreateInputDescriptor(Napi::Object input);
enum class ImageType {
JPEG,
PNG,
WEBP,
JP2,
TIFF,
GIF,
SVG,
HEIF,
PDF,
MAGICK,
OPENSLIDE,
PPM,
FITS,
EXR,
JXL,
RAD,
DCRAW,
VIPS,
RAW,
UNKNOWN,
MISSING
};
enum class Canvas {
CROP,
EMBED,
MAX,
MIN,
IGNORE_ASPECT
};
// How many tasks are in the queue?
extern std::atomic<int> counterQueue;
// How many tasks are being processed?
extern std::atomic<int> counterProcess;
// Filename extension checkers
bool IsJpeg(std::string const &str);
bool IsPng(std::string const &str);
bool IsWebp(std::string const &str);
bool IsJp2(std::string const &str);
bool IsGif(std::string const &str);
bool IsTiff(std::string const &str);
bool IsHeic(std::string const &str);
bool IsHeif(std::string const &str);
bool IsAvif(std::string const &str);
bool IsJxl(std::string const &str);
bool IsDz(std::string const &str);
bool IsDzZip(std::string const &str);
bool IsV(std::string const &str);
/*
Trim space from end of string.
*/
std::string TrimEnd(std::string const &str);
/*
Provide a string identifier for the given image type.
*/
std::string ImageTypeId(ImageType const imageType);
/*
Determine image format of a buffer.
*/
ImageType DetermineImageType(void *buffer, size_t const length);
/*
Determine image format of a file.
*/
ImageType DetermineImageType(char const *file);
/*
Format-specific options builder
*/
vips::VOption* GetOptionsForImageType(ImageType imageType, InputDescriptor *descriptor);
/*
Open an image from the given InputDescriptor (filesystem, compressed buffer, raw pixel data)
*/
std::tuple<VImage, ImageType> OpenInput(InputDescriptor *descriptor);
/*
Does this image have an embedded profile?
*/
bool HasProfile(VImage image);
/*
Get copy of embedded profile.
*/
std::pair<char*, size_t> GetProfile(VImage image);
/*
Set embedded profile.
*/
VImage SetProfile(VImage image, std::pair<char*, size_t> icc);
/*
Remove all EXIF-related image fields.
*/
VImage RemoveExif(VImage image);
/*
Get EXIF Orientation of image, if any.
*/
int ExifOrientation(VImage image);
/*
Set EXIF Orientation of image.
*/
VImage SetExifOrientation(VImage image, int const orientation);
/*
Remove EXIF Orientation from image.
*/
VImage RemoveExifOrientation(VImage image);
/*
Set animation properties if necessary.
*/
VImage SetAnimationProperties(VImage image, int nPages, int pageHeight, std::vector<int> delay, int loop);
/*
Remove animation properties from image.
*/
VImage RemoveAnimationProperties(VImage image);
/*
Remove GIF palette from image.
*/
VImage RemoveGifPalette(VImage image);
/*
Does this image have a non-default density?
*/
bool HasDensity(VImage image);
/*
Get pixels/mm resolution as pixels/inch density.
*/
int GetDensity(VImage image);
/*
Set pixels/mm resolution based on a pixels/inch density.
*/
VImage SetDensity(VImage image, const double density);
/*
Multi-page images can have a page height. Fetch it, and sanity check it.
If page-height is not set, it defaults to the image height
*/
int GetPageHeight(VImage image);
/*
Check the proposed format supports the current dimensions.
*/
void AssertImageTypeDimensions(VImage image, ImageType const imageType);
/*
Called when a Buffer undergoes GC, required to support mixed runtime libraries in Windows
*/
extern std::function<void(void*, char*)> FreeCallback;
/*
Called with warnings from the glib-registered "VIPS" domain
*/
void VipsWarningCallback(char const* log_domain, GLogLevelFlags log_level, char const* message, void* ignore);
/*
Pop the oldest warning message from the queue
*/
std::string VipsWarningPop();
/*
Attach an event listener for progress updates, used to detect timeout
*/
void SetTimeout(VImage image, int const timeoutSeconds);
/*
Event listener for progress updates, used to detect timeout
*/
void VipsProgressCallBack(VipsImage *image, VipsProgress *progress, int *timeoutSeconds);
/*
Calculate the (left, top) coordinates of the output image
within the input image, applying the given gravity during an embed.
*/
std::tuple<int, int> CalculateEmbedPosition(int const inWidth, int const inHeight,
int const outWidth, int const outHeight, int const gravity);
/*
Calculate the (left, top) coordinates of the output image
within the input image, applying the given gravity.
*/
std::tuple<int, int> CalculateCrop(int const inWidth, int const inHeight,
int const outWidth, int const outHeight, int const gravity);
/*
Calculate the (left, top) coordinates of the output image
within the input image, applying the given x and y offsets of the output image.
*/
std::tuple<int, int> CalculateCrop(int const inWidth, int const inHeight,
int const outWidth, int const outHeight, int const x, int const y);
/*
Are pixel values in this image 16-bit integer?
*/
bool Is16Bit(VipsInterpretation const interpretation);
/*
Convert RGBA value to another colourspace
*/
std::vector<double> GetRgbaAsColourspace(std::vector<double> const rgba,
VipsInterpretation const interpretation, bool premultiply);
/*
Apply the alpha channel to a given colour
*/
std::tuple<VImage, std::vector<double>> ApplyAlpha(VImage image, std::vector<double> colour, bool premultiply);
/*
Removes alpha channels, if any.
*/
VImage RemoveAlpha(VImage image);
/*
Ensures alpha channel, if missing.
*/
VImage EnsureAlpha(VImage image, double const value);
/*
Calculate the horizontal and vertical shrink factors, taking the canvas mode into account.
*/
std::pair<double, double> ResolveShrink(int width, int height, int targetWidth, int targetHeight,
Canvas canvas, bool withoutEnlargement, bool withoutReduction);
/*
Ensure decoding remains sequential.
*/
VImage StaySequential(VImage image, bool condition = true);
} // namespace sharp
#endif // SRC_COMMON_H_

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#include <numeric>
#include <vector>
#include <cmath>
#include <napi.h>
#include <vips/vips8>
#include "common.h"
#include "metadata.h"
static void* readPNGComment(VipsImage *image, const char *field, GValue *value, void *p);
class MetadataWorker : public Napi::AsyncWorker {
public:
MetadataWorker(Napi::Function callback, MetadataBaton *baton, Napi::Function debuglog) :
Napi::AsyncWorker(callback), baton(baton), debuglog(Napi::Persistent(debuglog)) {}
~MetadataWorker() {}
void Execute() {
// Decrement queued task counter
sharp::counterQueue--;
vips::VImage image;
sharp::ImageType imageType = sharp::ImageType::UNKNOWN;
try {
std::tie(image, imageType) = OpenInput(baton->input);
} catch (vips::VError const &err) {
(baton->err).append(err.what());
}
if (imageType != sharp::ImageType::UNKNOWN) {
// Image type
baton->format = sharp::ImageTypeId(imageType);
// VipsImage attributes
baton->width = image.width();
baton->height = image.height();
baton->space = vips_enum_nick(VIPS_TYPE_INTERPRETATION, image.interpretation());
baton->channels = image.bands();
baton->depth = vips_enum_nick(VIPS_TYPE_BAND_FORMAT, image.format());
if (sharp::HasDensity(image)) {
baton->density = sharp::GetDensity(image);
}
if (image.get_typeof("jpeg-chroma-subsample") == VIPS_TYPE_REF_STRING) {
baton->chromaSubsampling = image.get_string("jpeg-chroma-subsample");
}
if (image.get_typeof("interlaced") == G_TYPE_INT) {
baton->isProgressive = image.get_int("interlaced") == 1;
}
if (image.get_typeof(VIPS_META_PALETTE) == G_TYPE_INT) {
baton->isPalette = image.get_int(VIPS_META_PALETTE);
}
if (image.get_typeof(VIPS_META_BITS_PER_SAMPLE) == G_TYPE_INT) {
baton->bitsPerSample = image.get_int(VIPS_META_BITS_PER_SAMPLE);
}
if (image.get_typeof(VIPS_META_N_PAGES) == G_TYPE_INT) {
baton->pages = image.get_int(VIPS_META_N_PAGES);
}
if (image.get_typeof(VIPS_META_PAGE_HEIGHT) == G_TYPE_INT) {
baton->pageHeight = image.get_int(VIPS_META_PAGE_HEIGHT);
}
if (image.get_typeof("loop") == G_TYPE_INT) {
baton->loop = image.get_int("loop");
}
if (image.get_typeof("delay") == VIPS_TYPE_ARRAY_INT) {
baton->delay = image.get_array_int("delay");
}
if (image.get_typeof("heif-primary") == G_TYPE_INT) {
baton->pagePrimary = image.get_int("heif-primary");
}
if (image.get_typeof("heif-compression") == VIPS_TYPE_REF_STRING) {
baton->compression = image.get_string("heif-compression");
}
if (image.get_typeof(VIPS_META_RESOLUTION_UNIT) == VIPS_TYPE_REF_STRING) {
baton->resolutionUnit = image.get_string(VIPS_META_RESOLUTION_UNIT);
}
if (image.get_typeof("magick-format") == VIPS_TYPE_REF_STRING) {
baton->formatMagick = image.get_string("magick-format");
}
if (image.get_typeof("openslide.level-count") == VIPS_TYPE_REF_STRING) {
int const levels = std::stoi(image.get_string("openslide.level-count"));
for (int l = 0; l < levels; l++) {
std::string prefix = "openslide.level[" + std::to_string(l) + "].";
int const width = std::stoi(image.get_string((prefix + "width").data()));
int const height = std::stoi(image.get_string((prefix + "height").data()));
baton->levels.push_back(std::pair<int, int>(width, height));
}
}
if (image.get_typeof(VIPS_META_N_SUBIFDS) == G_TYPE_INT) {
baton->subifds = image.get_int(VIPS_META_N_SUBIFDS);
}
baton->hasProfile = sharp::HasProfile(image);
if (image.get_typeof("background") == VIPS_TYPE_ARRAY_DOUBLE) {
baton->background = image.get_array_double("background");
}
// Derived attributes
baton->hasAlpha = image.has_alpha();
baton->orientation = sharp::ExifOrientation(image);
// EXIF
if (image.get_typeof(VIPS_META_EXIF_NAME) == VIPS_TYPE_BLOB) {
size_t exifLength;
void const *exif = image.get_blob(VIPS_META_EXIF_NAME, &exifLength);
baton->exif = static_cast<char*>(g_malloc(exifLength));
memcpy(baton->exif, exif, exifLength);
baton->exifLength = exifLength;
}
// ICC profile
if (image.get_typeof(VIPS_META_ICC_NAME) == VIPS_TYPE_BLOB) {
size_t iccLength;
void const *icc = image.get_blob(VIPS_META_ICC_NAME, &iccLength);
baton->icc = static_cast<char*>(g_malloc(iccLength));
memcpy(baton->icc, icc, iccLength);
baton->iccLength = iccLength;
}
// IPTC
if (image.get_typeof(VIPS_META_IPTC_NAME) == VIPS_TYPE_BLOB) {
size_t iptcLength;
void const *iptc = image.get_blob(VIPS_META_IPTC_NAME, &iptcLength);
baton->iptc = static_cast<char *>(g_malloc(iptcLength));
memcpy(baton->iptc, iptc, iptcLength);
baton->iptcLength = iptcLength;
}
// XMP
if (image.get_typeof(VIPS_META_XMP_NAME) == VIPS_TYPE_BLOB) {
size_t xmpLength;
void const *xmp = image.get_blob(VIPS_META_XMP_NAME, &xmpLength);
baton->xmp = static_cast<char *>(g_malloc(xmpLength));
memcpy(baton->xmp, xmp, xmpLength);
baton->xmpLength = xmpLength;
}
// TIFFTAG_PHOTOSHOP
if (image.get_typeof(VIPS_META_PHOTOSHOP_NAME) == VIPS_TYPE_BLOB) {
size_t tifftagPhotoshopLength;
void const *tifftagPhotoshop = image.get_blob(VIPS_META_PHOTOSHOP_NAME, &tifftagPhotoshopLength);
baton->tifftagPhotoshop = static_cast<char *>(g_malloc(tifftagPhotoshopLength));
memcpy(baton->tifftagPhotoshop, tifftagPhotoshop, tifftagPhotoshopLength);
baton->tifftagPhotoshopLength = tifftagPhotoshopLength;
}
// PNG comments
vips_image_map(image.get_image(), readPNGComment, &baton->comments);
}
// Clean up
vips_error_clear();
vips_thread_shutdown();
}
void OnOK() {
Napi::Env env = Env();
Napi::HandleScope scope(env);
// Handle warnings
std::string warning = sharp::VipsWarningPop();
while (!warning.empty()) {
debuglog.Call(Receiver().Value(), { Napi::String::New(env, warning) });
warning = sharp::VipsWarningPop();
}
if (baton->err.empty()) {
Napi::Object info = Napi::Object::New(env);
info.Set("format", baton->format);
if (baton->input->bufferLength > 0) {
info.Set("size", baton->input->bufferLength);
}
info.Set("width", baton->width);
info.Set("height", baton->height);
info.Set("space", baton->space);
info.Set("channels", baton->channels);
info.Set("depth", baton->depth);
if (baton->density > 0) {
info.Set("density", baton->density);
}
if (!baton->chromaSubsampling.empty()) {
info.Set("chromaSubsampling", baton->chromaSubsampling);
}
info.Set("isProgressive", baton->isProgressive);
info.Set("isPalette", baton->isPalette);
if (baton->bitsPerSample > 0) {
info.Set("bitsPerSample", baton->bitsPerSample);
if (baton->isPalette) {
// Deprecated, remove with libvips 8.17.0
info.Set("paletteBitDepth", baton->bitsPerSample);
}
}
if (baton->pages > 0) {
info.Set("pages", baton->pages);
}
if (baton->pageHeight > 0) {
info.Set("pageHeight", baton->pageHeight);
}
if (baton->loop >= 0) {
info.Set("loop", baton->loop);
}
if (!baton->delay.empty()) {
int i = 0;
Napi::Array delay = Napi::Array::New(env, static_cast<size_t>(baton->delay.size()));
for (int const d : baton->delay) {
delay.Set(i++, d);
}
info.Set("delay", delay);
}
if (baton->pagePrimary > -1) {
info.Set("pagePrimary", baton->pagePrimary);
}
if (!baton->compression.empty()) {
info.Set("compression", baton->compression);
}
if (!baton->resolutionUnit.empty()) {
info.Set("resolutionUnit", baton->resolutionUnit == "in" ? "inch" : baton->resolutionUnit);
}
if (!baton->formatMagick.empty()) {
info.Set("formatMagick", baton->formatMagick);
}
if (!baton->levels.empty()) {
int i = 0;
Napi::Array levels = Napi::Array::New(env, static_cast<size_t>(baton->levels.size()));
for (std::pair<int, int> const &l : baton->levels) {
Napi::Object level = Napi::Object::New(env);
level.Set("width", l.first);
level.Set("height", l.second);
levels.Set(i++, level);
}
info.Set("levels", levels);
}
if (baton->subifds > 0) {
info.Set("subifds", baton->subifds);
}
if (!baton->background.empty()) {
Napi::Object background = Napi::Object::New(env);
if (baton->background.size() == 3) {
background.Set("r", baton->background[0]);
background.Set("g", baton->background[1]);
background.Set("b", baton->background[2]);
} else {
background.Set("gray", round(baton->background[0] * 100 / 255));
}
info.Set("background", background);
}
info.Set("hasProfile", baton->hasProfile);
info.Set("hasAlpha", baton->hasAlpha);
if (baton->orientation > 0) {
info.Set("orientation", baton->orientation);
}
Napi::Object autoOrient = Napi::Object::New(env);
info.Set("autoOrient", autoOrient);
if (baton->orientation >= 5) {
autoOrient.Set("width", baton->height);
autoOrient.Set("height", baton->width);
} else {
autoOrient.Set("width", baton->width);
autoOrient.Set("height", baton->height);
}
if (baton->exifLength > 0) {
info.Set("exif", Napi::Buffer<char>::NewOrCopy(env, baton->exif, baton->exifLength, sharp::FreeCallback));
}
if (baton->iccLength > 0) {
info.Set("icc", Napi::Buffer<char>::NewOrCopy(env, baton->icc, baton->iccLength, sharp::FreeCallback));
}
if (baton->iptcLength > 0) {
info.Set("iptc", Napi::Buffer<char>::NewOrCopy(env, baton->iptc, baton->iptcLength, sharp::FreeCallback));
}
if (baton->xmpLength > 0) {
if (g_utf8_validate(static_cast<char const *>(baton->xmp), baton->xmpLength, nullptr)) {
info.Set("xmpAsString",
Napi::String::New(env, static_cast<char const *>(baton->xmp), baton->xmpLength));
}
info.Set("xmp", Napi::Buffer<char>::NewOrCopy(env, baton->xmp, baton->xmpLength, sharp::FreeCallback));
}
if (baton->tifftagPhotoshopLength > 0) {
info.Set("tifftagPhotoshop",
Napi::Buffer<char>::NewOrCopy(env, baton->tifftagPhotoshop,
baton->tifftagPhotoshopLength, sharp::FreeCallback));
}
if (baton->comments.size() > 0) {
int i = 0;
Napi::Array comments = Napi::Array::New(env, baton->comments.size());
for (auto &c : baton->comments) {
Napi::Object comment = Napi::Object::New(env);
comment.Set("keyword", c.first);
comment.Set("text", c.second);
comments.Set(i++, comment);
}
info.Set("comments", comments);
}
Callback().Call(Receiver().Value(), { env.Null(), info });
} else {
Callback().Call(Receiver().Value(), { Napi::Error::New(env, sharp::TrimEnd(baton->err)).Value() });
}
delete baton->input;
delete baton;
}
private:
MetadataBaton* baton;
Napi::FunctionReference debuglog;
};
/*
metadata(options, callback)
*/
Napi::Value metadata(const Napi::CallbackInfo& info) {
// V8 objects are converted to non-V8 types held in the baton struct
MetadataBaton *baton = new MetadataBaton;
Napi::Object options = info[size_t(0)].As<Napi::Object>();
// Input
baton->input = sharp::CreateInputDescriptor(options.Get("input").As<Napi::Object>());
// Function to notify of libvips warnings
Napi::Function debuglog = options.Get("debuglog").As<Napi::Function>();
// Join queue for worker thread
Napi::Function callback = info[size_t(1)].As<Napi::Function>();
MetadataWorker *worker = new MetadataWorker(callback, baton, debuglog);
worker->Receiver().Set("options", options);
worker->Queue();
// Increment queued task counter
sharp::counterQueue++;
return info.Env().Undefined();
}
const char *PNG_COMMENT_START = "png-comment-";
const int PNG_COMMENT_START_LEN = strlen(PNG_COMMENT_START);
static void* readPNGComment(VipsImage *image, const char *field, GValue *value, void *p) {
MetadataComments *comments = static_cast<MetadataComments *>(p);
if (vips_isprefix(PNG_COMMENT_START, field)) {
const char *keyword = strchr(field + PNG_COMMENT_START_LEN, '-');
const char *str;
if (keyword != NULL && !vips_image_get_string(image, field, &str)) {
keyword++; // Skip the hyphen
comments->push_back(std::make_pair(keyword, str));
}
}
return NULL;
}

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#ifndef SRC_METADATA_H_
#define SRC_METADATA_H_
#include <string>
#include <napi.h>
#include "./common.h"
typedef std::vector<std::pair<std::string, std::string>> MetadataComments;
struct MetadataBaton {
// Input
sharp::InputDescriptor *input;
// Output
std::string format;
int width;
int height;
std::string space;
int channels;
std::string depth;
int density;
std::string chromaSubsampling;
bool isProgressive;
bool isPalette;
int bitsPerSample;
int pages;
int pageHeight;
int loop;
std::vector<int> delay;
int pagePrimary;
std::string compression;
std::string resolutionUnit;
std::string formatMagick;
std::vector<std::pair<int, int>> levels;
int subifds;
std::vector<double> background;
bool hasProfile;
bool hasAlpha;
int orientation;
char *exif;
size_t exifLength;
char *icc;
size_t iccLength;
char *iptc;
size_t iptcLength;
char *xmp;
size_t xmpLength;
char *tifftagPhotoshop;
size_t tifftagPhotoshopLength;
MetadataComments comments;
std::string err;
MetadataBaton():
input(nullptr),
width(0),
height(0),
channels(0),
density(0),
isProgressive(false),
isPalette(false),
bitsPerSample(0),
pages(0),
pageHeight(0),
loop(-1),
pagePrimary(-1),
subifds(0),
hasProfile(false),
hasAlpha(false),
orientation(0),
exif(nullptr),
exifLength(0),
icc(nullptr),
iccLength(0),
iptc(nullptr),
iptcLength(0),
xmp(nullptr),
xmpLength(0),
tifftagPhotoshop(nullptr),
tifftagPhotoshopLength(0) {}
};
Napi::Value metadata(const Napi::CallbackInfo& info);
#endif // SRC_METADATA_H_

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#include <algorithm>
#include <functional>
#include <memory>
#include <tuple>
#include <vector>
#include <vips/vips8>
#include "common.h"
#include "operations.h"
using vips::VImage;
using vips::VError;
namespace sharp {
/*
* Tint an image using the provided RGB.
*/
VImage Tint(VImage image, std::vector<double> const tint) {
std::vector<double> const tintLab = (VImage::black(1, 1) + tint)
.colourspace(VIPS_INTERPRETATION_LAB, VImage::option()->set("source_space", VIPS_INTERPRETATION_sRGB))
.getpoint(0, 0);
// LAB identity function
VImage identityLab = VImage::identity(VImage::option()->set("bands", 3))
.colourspace(VIPS_INTERPRETATION_LAB, VImage::option()->set("source_space", VIPS_INTERPRETATION_sRGB));
// Scale luminance range, 0.0 to 1.0
VImage l = identityLab[0] / 100;
// Weighting functions
VImage weightL = 1.0 - 4.0 * ((l - 0.5) * (l - 0.5));
VImage weightAB = (weightL * tintLab).extract_band(1, VImage::option()->set("n", 2));
identityLab = identityLab[0].bandjoin(weightAB);
// Convert lookup table to sRGB
VImage lut = identityLab.colourspace(VIPS_INTERPRETATION_sRGB,
VImage::option()->set("source_space", VIPS_INTERPRETATION_LAB));
// Original colourspace
VipsInterpretation typeBeforeTint = image.interpretation();
if (typeBeforeTint == VIPS_INTERPRETATION_RGB) {
typeBeforeTint = VIPS_INTERPRETATION_sRGB;
}
// Apply lookup table
if (image.has_alpha()) {
VImage alpha = image[image.bands() - 1];
image = RemoveAlpha(image)
.colourspace(VIPS_INTERPRETATION_B_W)
.maplut(lut)
.colourspace(typeBeforeTint)
.bandjoin(alpha);
} else {
image = image
.colourspace(VIPS_INTERPRETATION_B_W)
.maplut(lut)
.colourspace(typeBeforeTint);
}
return image;
}
/*
* Stretch luminance to cover full dynamic range.
*/
VImage Normalise(VImage image, int const lower, int const upper) {
// Get original colourspace
VipsInterpretation typeBeforeNormalize = image.interpretation();
if (typeBeforeNormalize == VIPS_INTERPRETATION_RGB) {
typeBeforeNormalize = VIPS_INTERPRETATION_sRGB;
}
// Convert to LAB colourspace
VImage lab = image.colourspace(VIPS_INTERPRETATION_LAB);
// Extract luminance
VImage luminance = lab[0];
// Find luminance range
int const min = lower == 0 ? luminance.min() : luminance.percent(lower);
int const max = upper == 100 ? luminance.max() : luminance.percent(upper);
if (std::abs(max - min) > 1) {
// Extract chroma
VImage chroma = lab.extract_band(1, VImage::option()->set("n", 2));
// Calculate multiplication factor and addition
double f = 100.0 / (max - min);
double a = -(min * f);
// Scale luminance, join to chroma, convert back to original colourspace
VImage normalized = luminance.linear(f, a).bandjoin(chroma).colourspace(typeBeforeNormalize);
// Attach original alpha channel, if any
if (image.has_alpha()) {
// Extract original alpha channel
VImage alpha = image[image.bands() - 1];
// Join alpha channel to normalised image
return normalized.bandjoin(alpha);
} else {
return normalized;
}
}
return image;
}
/*
* Contrast limiting adapative histogram equalization (CLAHE)
*/
VImage Clahe(VImage image, int const width, int const height, int const maxSlope) {
return image.hist_local(width, height, VImage::option()->set("max_slope", maxSlope));
}
/*
* Gamma encoding/decoding
*/
VImage Gamma(VImage image, double const exponent) {
if (image.has_alpha()) {
// Separate alpha channel
VImage alpha = image[image.bands() - 1];
return RemoveAlpha(image).gamma(VImage::option()->set("exponent", exponent)).bandjoin(alpha);
} else {
return image.gamma(VImage::option()->set("exponent", exponent));
}
}
/*
* Flatten image to remove alpha channel
*/
VImage Flatten(VImage image, std::vector<double> flattenBackground) {
double const multiplier = sharp::Is16Bit(image.interpretation()) ? 256.0 : 1.0;
std::vector<double> background {
flattenBackground[0] * multiplier,
flattenBackground[1] * multiplier,
flattenBackground[2] * multiplier
};
return image.flatten(VImage::option()->set("background", background));
}
/**
* Produce the "negative" of the image.
*/
VImage Negate(VImage image, bool const negateAlpha) {
if (image.has_alpha() && !negateAlpha) {
// Separate alpha channel
VImage alpha = image[image.bands() - 1];
return RemoveAlpha(image).invert().bandjoin(alpha);
} else {
return image.invert();
}
}
/*
* Gaussian blur. Use sigma of -1.0 for fast blur.
*/
VImage Blur(VImage image, double const sigma, VipsPrecision precision, double const minAmpl) {
if (sigma == -1.0) {
// Fast, mild blur - averages neighbouring pixels
VImage blur = VImage::new_matrixv(3, 3,
1.0, 1.0, 1.0,
1.0, 1.0, 1.0,
1.0, 1.0, 1.0);
blur.set("scale", 9.0);
return image.conv(blur);
} else {
// Slower, accurate Gaussian blur
return StaySequential(image).gaussblur(sigma, VImage::option()
->set("precision", precision)
->set("min_ampl", minAmpl));
}
}
/*
* Convolution with a kernel.
*/
VImage Convolve(VImage image, int const width, int const height,
double const scale, double const offset,
std::vector<double> const &kernel_v
) {
VImage kernel = VImage::new_from_memory(
static_cast<void*>(const_cast<double*>(kernel_v.data())),
width * height * sizeof(double),
width,
height,
1,
VIPS_FORMAT_DOUBLE);
kernel.set("scale", scale);
kernel.set("offset", offset);
return image.conv(kernel);
}
/*
* Recomb with a Matrix of the given bands/channel size.
* Eg. RGB will be a 3x3 matrix.
*/
VImage Recomb(VImage image, std::vector<double> const& matrix) {
double* m = const_cast<double*>(matrix.data());
image = image.colourspace(VIPS_INTERPRETATION_sRGB);
if (matrix.size() == 9) {
return image
.recomb(image.bands() == 3
? VImage::new_matrix(3, 3, m, 9)
: VImage::new_matrixv(4, 4,
m[0], m[1], m[2], 0.0,
m[3], m[4], m[5], 0.0,
m[6], m[7], m[8], 0.0,
0.0, 0.0, 0.0, 1.0));
} else {
return image.recomb(VImage::new_matrix(4, 4, m, 16));
}
}
VImage Modulate(VImage image, double const brightness, double const saturation,
int const hue, double const lightness) {
VipsInterpretation colourspaceBeforeModulate = image.interpretation();
if (image.has_alpha()) {
// Separate alpha channel
VImage alpha = image[image.bands() - 1];
return RemoveAlpha(image)
.colourspace(VIPS_INTERPRETATION_LCH)
.linear(
{ brightness, saturation, 1},
{ lightness, 0.0, static_cast<double>(hue) }
)
.colourspace(colourspaceBeforeModulate)
.bandjoin(alpha);
} else {
return image
.colourspace(VIPS_INTERPRETATION_LCH)
.linear(
{ brightness, saturation, 1 },
{ lightness, 0.0, static_cast<double>(hue) }
)
.colourspace(colourspaceBeforeModulate);
}
}
/*
* Sharpen flat and jagged areas. Use sigma of -1.0 for fast sharpen.
*/
VImage Sharpen(VImage image, double const sigma, double const m1, double const m2,
double const x1, double const y2, double const y3) {
if (sigma == -1.0) {
// Fast, mild sharpen
VImage sharpen = VImage::new_matrixv(3, 3,
-1.0, -1.0, -1.0,
-1.0, 32.0, -1.0,
-1.0, -1.0, -1.0);
sharpen.set("scale", 24.0);
return image.conv(sharpen);
} else {
// Slow, accurate sharpen in LAB colour space, with control over flat vs jagged areas
VipsInterpretation colourspaceBeforeSharpen = image.interpretation();
if (colourspaceBeforeSharpen == VIPS_INTERPRETATION_RGB) {
colourspaceBeforeSharpen = VIPS_INTERPRETATION_sRGB;
}
return image
.sharpen(VImage::option()
->set("sigma", sigma)
->set("m1", m1)
->set("m2", m2)
->set("x1", x1)
->set("y2", y2)
->set("y3", y3))
.colourspace(colourspaceBeforeSharpen);
}
}
VImage Threshold(VImage image, double const threshold, bool const thresholdGrayscale) {
if (!thresholdGrayscale) {
return image >= threshold;
}
return image.colourspace(VIPS_INTERPRETATION_B_W) >= threshold;
}
/*
Perform boolean/bitwise operation on image color channels - results in one channel image
*/
VImage Bandbool(VImage image, VipsOperationBoolean const boolean) {
image = image.bandbool(boolean);
return image.copy(VImage::option()->set("interpretation", VIPS_INTERPRETATION_B_W));
}
/*
Perform bitwise boolean operation between images
*/
VImage Boolean(VImage image, VImage imageR, VipsOperationBoolean const boolean) {
return image.boolean(imageR, boolean);
}
/*
Trim an image
*/
VImage Trim(VImage image, std::vector<double> background, double threshold, bool const lineArt) {
if (image.width() < 3 && image.height() < 3) {
throw VError("Image to trim must be at least 3x3 pixels");
}
if (background.size() == 0) {
// Top-left pixel provides the default background colour if none is given
background = image.extract_area(0, 0, 1, 1)(0, 0);
} else if (sharp::Is16Bit(image.interpretation())) {
for (size_t i = 0; i < background.size(); i++) {
background[i] *= 256.0;
}
threshold *= 256.0;
}
std::vector<double> backgroundAlpha({ background.back() });
if (image.has_alpha()) {
background.pop_back();
} else {
background.resize(image.bands());
}
int left, top, width, height;
left = image.find_trim(&top, &width, &height, VImage::option()
->set("background", background)
->set("line_art", lineArt)
->set("threshold", threshold));
if (image.has_alpha()) {
// Search alpha channel (A)
int leftA, topA, widthA, heightA;
VImage alpha = image[image.bands() - 1];
leftA = alpha.find_trim(&topA, &widthA, &heightA, VImage::option()
->set("background", backgroundAlpha)
->set("line_art", lineArt)
->set("threshold", threshold));
if (widthA > 0 && heightA > 0) {
if (width > 0 && height > 0) {
// Combined bounding box (B)
int const leftB = std::min(left, leftA);
int const topB = std::min(top, topA);
int const widthB = std::max(left + width, leftA + widthA) - leftB;
int const heightB = std::max(top + height, topA + heightA) - topB;
return image.extract_area(leftB, topB, widthB, heightB);
} else {
// Use alpha only
return image.extract_area(leftA, topA, widthA, heightA);
}
}
}
if (width > 0 && height > 0) {
return image.extract_area(left, top, width, height);
}
return image;
}
/*
* Calculate (a * in + b)
*/
VImage Linear(VImage image, std::vector<double> const a, std::vector<double> const b) {
size_t const bands = static_cast<size_t>(image.bands());
if (a.size() > bands) {
throw VError("Band expansion using linear is unsupported");
}
bool const uchar = !Is16Bit(image.interpretation());
if (image.has_alpha() && a.size() != bands && (a.size() == 1 || a.size() == bands - 1 || bands - 1 == 1)) {
// Separate alpha channel
VImage alpha = image[bands - 1];
return RemoveAlpha(image).linear(a, b, VImage::option()->set("uchar", uchar)).bandjoin(alpha);
} else {
return image.linear(a, b, VImage::option()->set("uchar", uchar));
}
}
/*
* Unflatten
*/
VImage Unflatten(VImage image) {
if (image.has_alpha()) {
VImage alpha = image[image.bands() - 1];
VImage noAlpha = RemoveAlpha(image);
return noAlpha.bandjoin(alpha & (noAlpha.colourspace(VIPS_INTERPRETATION_B_W) < 255));
} else {
return image.bandjoin(image.colourspace(VIPS_INTERPRETATION_B_W) < 255);
}
}
/*
* Ensure the image is in a given colourspace
*/
VImage EnsureColourspace(VImage image, VipsInterpretation colourspace) {
if (colourspace != VIPS_INTERPRETATION_LAST && image.interpretation() != colourspace) {
image = image.colourspace(colourspace,
VImage::option()->set("source_space", image.interpretation()));
}
return image;
}
/*
* Split and crop each frame, reassemble, and update pageHeight.
*/
VImage CropMultiPage(VImage image, int left, int top, int width, int height,
int nPages, int *pageHeight) {
if (top == 0 && height == *pageHeight) {
// Fast path; no need to adjust the height of the multi-page image
return image.extract_area(left, 0, width, image.height());
} else {
std::vector<VImage> pages;
pages.reserve(nPages);
// Split the image into cropped frames
image = StaySequential(image);
for (int i = 0; i < nPages; i++) {
pages.push_back(
image.extract_area(left, *pageHeight * i + top, width, height));
}
// Reassemble the frames into a tall, thin image
VImage assembled = VImage::arrayjoin(pages,
VImage::option()->set("across", 1));
// Update the page height
*pageHeight = height;
return assembled;
}
}
/*
* Split into frames, embed each frame, reassemble, and update pageHeight.
*/
VImage EmbedMultiPage(VImage image, int left, int top, int width, int height,
VipsExtend extendWith, std::vector<double> background, int nPages, int *pageHeight) {
if (top == 0 && height == *pageHeight) {
// Fast path; no need to adjust the height of the multi-page image
return image.embed(left, 0, width, image.height(), VImage::option()
->set("extend", extendWith)
->set("background", background));
} else if (left == 0 && width == image.width()) {
// Fast path; no need to adjust the width of the multi-page image
std::vector<VImage> pages;
pages.reserve(nPages);
// Rearrange the tall image into a vertical grid
image = image.grid(*pageHeight, nPages, 1);
// Do the embed on the wide image
image = image.embed(0, top, image.width(), height, VImage::option()
->set("extend", extendWith)
->set("background", background));
// Split the wide image into frames
for (int i = 0; i < nPages; i++) {
pages.push_back(
image.extract_area(width * i, 0, width, height));
}
// Reassemble the frames into a tall, thin image
VImage assembled = VImage::arrayjoin(pages,
VImage::option()->set("across", 1));
// Update the page height
*pageHeight = height;
return assembled;
} else {
std::vector<VImage> pages;
pages.reserve(nPages);
// Split the image into frames
for (int i = 0; i < nPages; i++) {
pages.push_back(
image.extract_area(0, *pageHeight * i, image.width(), *pageHeight));
}
// Embed each frame in the target size
for (int i = 0; i < nPages; i++) {
pages[i] = pages[i].embed(left, top, width, height, VImage::option()
->set("extend", extendWith)
->set("background", background));
}
// Reassemble the frames into a tall, thin image
VImage assembled = VImage::arrayjoin(pages,
VImage::option()->set("across", 1));
// Update the page height
*pageHeight = height;
return assembled;
}
}
/*
* Dilate an image
*/
VImage Dilate(VImage image, int const width) {
int const maskWidth = 2 * width + 1;
VImage mask = VImage::new_matrix(maskWidth, maskWidth);
return image.morph(
mask,
VIPS_OPERATION_MORPHOLOGY_DILATE).invert();
}
/*
* Erode an image
*/
VImage Erode(VImage image, int const width) {
int const maskWidth = 2 * width + 1;
VImage mask = VImage::new_matrix(maskWidth, maskWidth);
return image.morph(
mask,
VIPS_OPERATION_MORPHOLOGY_ERODE).invert();
}
} // namespace sharp

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#ifndef SRC_OPERATIONS_H_
#define SRC_OPERATIONS_H_
#include <algorithm>
#include <functional>
#include <memory>
#include <tuple>
#include <vips/vips8>
using vips::VImage;
namespace sharp {
/*
* Tint an image using the provided RGB.
*/
VImage Tint(VImage image, std::vector<double> const tint);
/*
* Stretch luminance to cover full dynamic range.
*/
VImage Normalise(VImage image, int const lower, int const upper);
/*
* Contrast limiting adapative histogram equalization (CLAHE)
*/
VImage Clahe(VImage image, int const width, int const height, int const maxSlope);
/*
* Gamma encoding/decoding
*/
VImage Gamma(VImage image, double const exponent);
/*
* Flatten image to remove alpha channel
*/
VImage Flatten(VImage image, std::vector<double> flattenBackground);
/*
* Produce the "negative" of the image.
*/
VImage Negate(VImage image, bool const negateAlpha);
/*
* Gaussian blur. Use sigma of -1.0 for fast blur.
*/
VImage Blur(VImage image, double const sigma, VipsPrecision precision, double const minAmpl);
/*
* Convolution with a kernel.
*/
VImage Convolve(VImage image, int const width, int const height,
double const scale, double const offset, std::vector<double> const &kernel_v);
/*
* Sharpen flat and jagged areas. Use sigma of -1.0 for fast sharpen.
*/
VImage Sharpen(VImage image, double const sigma, double const m1, double const m2,
double const x1, double const y2, double const y3);
/*
Threshold an image
*/
VImage Threshold(VImage image, double const threshold, bool const thresholdColor);
/*
Perform boolean/bitwise operation on image color channels - results in one channel image
*/
VImage Bandbool(VImage image, VipsOperationBoolean const boolean);
/*
Perform bitwise boolean operation between images
*/
VImage Boolean(VImage image, VImage imageR, VipsOperationBoolean const boolean);
/*
Trim an image
*/
VImage Trim(VImage image, std::vector<double> background, double threshold, bool const lineArt);
/*
* Linear adjustment (a * in + b)
*/
VImage Linear(VImage image, std::vector<double> const a, std::vector<double> const b);
/*
* Unflatten
*/
VImage Unflatten(VImage image);
/*
* Recomb with a Matrix of the given bands/channel size.
* Eg. RGB will be a 3x3 matrix.
*/
VImage Recomb(VImage image, std::vector<double> const &matrix);
/*
* Modulate brightness, saturation, hue and lightness
*/
VImage Modulate(VImage image, double const brightness, double const saturation,
int const hue, double const lightness);
/*
* Ensure the image is in a given colourspace
*/
VImage EnsureColourspace(VImage image, VipsInterpretation colourspace);
/*
* Split and crop each frame, reassemble, and update pageHeight.
*/
VImage CropMultiPage(VImage image, int left, int top, int width, int height,
int nPages, int *pageHeight);
/*
* Split into frames, embed each frame, reassemble, and update pageHeight.
*/
VImage EmbedMultiPage(VImage image, int left, int top, int width, int height,
VipsExtend extendWith, std::vector<double> background, int nPages, int *pageHeight);
/*
* Dilate an image
*/
VImage Dilate(VImage image, int const maskWidth);
/*
* Erode an image
*/
VImage Erode(VImage image, int const maskWidth);
} // namespace sharp
#endif // SRC_OPERATIONS_H_

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#ifndef SRC_PIPELINE_H_
#define SRC_PIPELINE_H_
#include <memory>
#include <string>
#include <vector>
#include <unordered_map>
#include <napi.h>
#include <vips/vips8>
#include "./common.h"
Napi::Value pipeline(const Napi::CallbackInfo& info);
struct Composite {
sharp::InputDescriptor *input;
VipsBlendMode mode;
int gravity;
int left;
int top;
bool hasOffset;
bool tile;
bool premultiplied;
Composite():
input(nullptr),
mode(VIPS_BLEND_MODE_OVER),
gravity(0),
left(0),
top(0),
hasOffset(false),
tile(false),
premultiplied(false) {}
};
struct PipelineBaton {
sharp::InputDescriptor *input;
std::vector<sharp::InputDescriptor *> join;
std::string formatOut;
std::string fileOut;
void *bufferOut;
size_t bufferOutLength;
int pageHeightOut;
int pagesOut;
std::vector<Composite *> composite;
std::vector<sharp::InputDescriptor *> joinChannelIn;
int topOffsetPre;
int leftOffsetPre;
int widthPre;
int heightPre;
int topOffsetPost;
int leftOffsetPost;
int widthPost;
int heightPost;
int width;
int height;
int channels;
VipsKernel kernel;
sharp::Canvas canvas;
int position;
std::vector<double> resizeBackground;
bool hasCropOffset;
int cropOffsetLeft;
int cropOffsetTop;
bool hasAttentionCenter;
int attentionX;
int attentionY;
bool premultiplied;
bool tileCentre;
bool fastShrinkOnLoad;
std::vector<double> tint;
bool flatten;
std::vector<double> flattenBackground;
bool unflatten;
bool negate;
bool negateAlpha;
double blurSigma;
VipsPrecision precision;
double minAmpl;
double brightness;
double saturation;
int hue;
double lightness;
int medianSize;
double sharpenSigma;
double sharpenM1;
double sharpenM2;
double sharpenX1;
double sharpenY2;
double sharpenY3;
int threshold;
bool thresholdGrayscale;
std::vector<double> trimBackground;
double trimThreshold;
bool trimLineArt;
int trimOffsetLeft;
int trimOffsetTop;
std::vector<double> linearA;
std::vector<double> linearB;
int dilateWidth;
int erodeWidth;
double gamma;
double gammaOut;
bool greyscale;
bool normalise;
int normaliseLower;
int normaliseUpper;
int claheWidth;
int claheHeight;
int claheMaxSlope;
int angle;
double rotationAngle;
std::vector<double> rotationBackground;
bool rotateBefore;
bool orientBefore;
bool flip;
bool flop;
int extendTop;
int extendBottom;
int extendLeft;
int extendRight;
std::vector<double> extendBackground;
VipsExtend extendWith;
bool withoutEnlargement;
bool withoutReduction;
std::vector<double> affineMatrix;
std::vector<double> affineBackground;
double affineIdx;
double affineIdy;
double affineOdx;
double affineOdy;
std::string affineInterpolator;
int jpegQuality;
bool jpegProgressive;
std::string jpegChromaSubsampling;
bool jpegTrellisQuantisation;
int jpegQuantisationTable;
bool jpegOvershootDeringing;
bool jpegOptimiseScans;
bool jpegOptimiseCoding;
bool pngProgressive;
int pngCompressionLevel;
bool pngAdaptiveFiltering;
bool pngPalette;
int pngQuality;
int pngEffort;
int pngBitdepth;
double pngDither;
int jp2Quality;
bool jp2Lossless;
int jp2TileHeight;
int jp2TileWidth;
std::string jp2ChromaSubsampling;
int webpQuality;
int webpAlphaQuality;
bool webpNearLossless;
bool webpLossless;
bool webpSmartSubsample;
bool webpSmartDeblock;
VipsForeignWebpPreset webpPreset;
int webpEffort;
bool webpMinSize;
bool webpMixed;
int gifBitdepth;
int gifEffort;
double gifDither;
double gifInterFrameMaxError;
double gifInterPaletteMaxError;
bool gifKeepDuplicateFrames;
bool gifReuse;
bool gifProgressive;
int tiffQuality;
VipsForeignTiffCompression tiffCompression;
VipsForeignTiffPredictor tiffPredictor;
bool tiffPyramid;
int tiffBitdepth;
bool tiffMiniswhite;
bool tiffTile;
int tiffTileHeight;
int tiffTileWidth;
double tiffXres;
double tiffYres;
VipsForeignTiffResunit tiffResolutionUnit;
int heifQuality;
VipsForeignHeifCompression heifCompression;
int heifEffort;
std::string heifChromaSubsampling;
bool heifLossless;
int heifBitdepth;
double jxlDistance;
int jxlDecodingTier;
int jxlEffort;
bool jxlLossless;
VipsBandFormat rawDepth;
std::string err;
int keepMetadata;
int withMetadataOrientation;
double withMetadataDensity;
std::string withIccProfile;
std::unordered_map<std::string, std::string> withExif;
bool withExifMerge;
std::string withXmp;
int timeoutSeconds;
std::vector<double> convKernel;
int convKernelWidth;
int convKernelHeight;
double convKernelScale;
double convKernelOffset;
sharp::InputDescriptor *boolean;
VipsOperationBoolean booleanOp;
VipsOperationBoolean bandBoolOp;
int extractChannel;
bool removeAlpha;
double ensureAlpha;
VipsInterpretation colourspacePipeline;
VipsInterpretation colourspace;
std::vector<int> delay;
int loop;
int tileSize;
int tileOverlap;
VipsForeignDzContainer tileContainer;
VipsForeignDzLayout tileLayout;
std::string tileFormat;
int tileAngle;
std::vector<double> tileBackground;
int tileSkipBlanks;
VipsForeignDzDepth tileDepth;
std::string tileId;
std::string tileBasename;
std::vector<double> recombMatrix;
PipelineBaton():
input(nullptr),
bufferOutLength(0),
pageHeightOut(0),
pagesOut(0),
topOffsetPre(-1),
topOffsetPost(-1),
channels(0),
kernel(VIPS_KERNEL_LANCZOS3),
canvas(sharp::Canvas::CROP),
position(0),
resizeBackground{ 0.0, 0.0, 0.0, 255.0 },
hasCropOffset(false),
cropOffsetLeft(0),
cropOffsetTop(0),
hasAttentionCenter(false),
attentionX(0),
attentionY(0),
premultiplied(false),
tint{ -1.0, 0.0, 0.0, 0.0 },
flatten(false),
flattenBackground{ 0.0, 0.0, 0.0 },
unflatten(false),
negate(false),
negateAlpha(true),
blurSigma(0.0),
brightness(1.0),
saturation(1.0),
hue(0),
lightness(0),
medianSize(0),
sharpenSigma(0.0),
sharpenM1(1.0),
sharpenM2(2.0),
sharpenX1(2.0),
sharpenY2(10.0),
sharpenY3(20.0),
threshold(0),
thresholdGrayscale(true),
trimBackground{},
trimThreshold(-1.0),
trimLineArt(false),
trimOffsetLeft(0),
trimOffsetTop(0),
linearA{},
linearB{},
dilateWidth(0),
erodeWidth(0),
gamma(0.0),
greyscale(false),
normalise(false),
normaliseLower(1),
normaliseUpper(99),
claheWidth(0),
claheHeight(0),
claheMaxSlope(3),
angle(0),
rotationAngle(0.0),
rotationBackground{ 0.0, 0.0, 0.0, 255.0 },
flip(false),
flop(false),
extendTop(0),
extendBottom(0),
extendLeft(0),
extendRight(0),
extendBackground{ 0.0, 0.0, 0.0, 255.0 },
extendWith(VIPS_EXTEND_BACKGROUND),
withoutEnlargement(false),
withoutReduction(false),
affineMatrix{ 1.0, 0.0, 0.0, 1.0 },
affineBackground{ 0.0, 0.0, 0.0, 255.0 },
affineIdx(0),
affineIdy(0),
affineOdx(0),
affineOdy(0),
affineInterpolator("bicubic"),
jpegQuality(80),
jpegProgressive(false),
jpegChromaSubsampling("4:2:0"),
jpegTrellisQuantisation(false),
jpegQuantisationTable(0),
jpegOvershootDeringing(false),
jpegOptimiseScans(false),
jpegOptimiseCoding(true),
pngProgressive(false),
pngCompressionLevel(6),
pngAdaptiveFiltering(false),
pngPalette(false),
pngQuality(100),
pngEffort(7),
pngBitdepth(8),
pngDither(1.0),
jp2Quality(80),
jp2Lossless(false),
jp2TileHeight(512),
jp2TileWidth(512),
jp2ChromaSubsampling("4:4:4"),
webpQuality(80),
webpAlphaQuality(100),
webpNearLossless(false),
webpLossless(false),
webpSmartSubsample(false),
webpSmartDeblock(false),
webpPreset(VIPS_FOREIGN_WEBP_PRESET_DEFAULT),
webpEffort(4),
webpMinSize(false),
webpMixed(false),
gifBitdepth(8),
gifEffort(7),
gifDither(1.0),
gifInterFrameMaxError(0.0),
gifInterPaletteMaxError(3.0),
gifKeepDuplicateFrames(false),
gifReuse(true),
gifProgressive(false),
tiffQuality(80),
tiffCompression(VIPS_FOREIGN_TIFF_COMPRESSION_JPEG),
tiffPredictor(VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL),
tiffPyramid(false),
tiffBitdepth(8),
tiffMiniswhite(false),
tiffTile(false),
tiffTileHeight(256),
tiffTileWidth(256),
tiffXres(1.0),
tiffYres(1.0),
tiffResolutionUnit(VIPS_FOREIGN_TIFF_RESUNIT_INCH),
heifQuality(50),
heifCompression(VIPS_FOREIGN_HEIF_COMPRESSION_AV1),
heifEffort(4),
heifChromaSubsampling("4:4:4"),
heifLossless(false),
heifBitdepth(8),
jxlDistance(1.0),
jxlDecodingTier(0),
jxlEffort(7),
jxlLossless(false),
rawDepth(VIPS_FORMAT_UCHAR),
keepMetadata(0),
withMetadataOrientation(-1),
withMetadataDensity(0.0),
withExifMerge(true),
timeoutSeconds(0),
convKernelWidth(0),
convKernelHeight(0),
convKernelScale(0.0),
convKernelOffset(0.0),
boolean(nullptr),
booleanOp(VIPS_OPERATION_BOOLEAN_LAST),
bandBoolOp(VIPS_OPERATION_BOOLEAN_LAST),
extractChannel(-1),
removeAlpha(false),
ensureAlpha(-1.0),
colourspacePipeline(VIPS_INTERPRETATION_LAST),
colourspace(VIPS_INTERPRETATION_LAST),
loop(-1),
tileSize(256),
tileOverlap(0),
tileContainer(VIPS_FOREIGN_DZ_CONTAINER_FS),
tileLayout(VIPS_FOREIGN_DZ_LAYOUT_DZ),
tileAngle(0),
tileBackground{ 255.0, 255.0, 255.0, 255.0 },
tileSkipBlanks(-1),
tileDepth(VIPS_FOREIGN_DZ_DEPTH_LAST) {}
};
#endif // SRC_PIPELINE_H_

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#include <mutex> // NOLINT(build/c++11)
#include <napi.h>
#include <vips/vips8>
#include "common.h"
#include "metadata.h"
#include "pipeline.h"
#include "utilities.h"
#include "stats.h"
Napi::Object init(Napi::Env env, Napi::Object exports) {
static std::once_flag sharp_vips_init_once;
std::call_once(sharp_vips_init_once, []() {
vips_init("sharp");
});
g_log_set_handler("VIPS", static_cast<GLogLevelFlags>(G_LOG_LEVEL_WARNING),
static_cast<GLogFunc>(sharp::VipsWarningCallback), nullptr);
// Methods available to JavaScript
exports.Set("metadata", Napi::Function::New(env, metadata));
exports.Set("pipeline", Napi::Function::New(env, pipeline));
exports.Set("cache", Napi::Function::New(env, cache));
exports.Set("concurrency", Napi::Function::New(env, concurrency));
exports.Set("counters", Napi::Function::New(env, counters));
exports.Set("simd", Napi::Function::New(env, simd));
exports.Set("libvipsVersion", Napi::Function::New(env, libvipsVersion));
exports.Set("format", Napi::Function::New(env, format));
exports.Set("block", Napi::Function::New(env, block));
exports.Set("_maxColourDistance", Napi::Function::New(env, _maxColourDistance));
exports.Set("_isUsingJemalloc", Napi::Function::New(env, _isUsingJemalloc));
exports.Set("_isUsingX64V2", Napi::Function::New(env, _isUsingX64V2));
exports.Set("stats", Napi::Function::New(env, stats));
return exports;
}
NODE_API_MODULE(sharp, init)

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#include <numeric>
#include <vector>
#include <iostream>
#include <napi.h>
#include <vips/vips8>
#include "common.h"
#include "stats.h"
class StatsWorker : public Napi::AsyncWorker {
public:
StatsWorker(Napi::Function callback, StatsBaton *baton, Napi::Function debuglog) :
Napi::AsyncWorker(callback), baton(baton), debuglog(Napi::Persistent(debuglog)) {}
~StatsWorker() {}
const int STAT_MIN_INDEX = 0;
const int STAT_MAX_INDEX = 1;
const int STAT_SUM_INDEX = 2;
const int STAT_SQ_SUM_INDEX = 3;
const int STAT_MEAN_INDEX = 4;
const int STAT_STDEV_INDEX = 5;
const int STAT_MINX_INDEX = 6;
const int STAT_MINY_INDEX = 7;
const int STAT_MAXX_INDEX = 8;
const int STAT_MAXY_INDEX = 9;
void Execute() {
// Decrement queued task counter
sharp::counterQueue--;
vips::VImage image;
sharp::ImageType imageType = sharp::ImageType::UNKNOWN;
try {
std::tie(image, imageType) = OpenInput(baton->input);
} catch (vips::VError const &err) {
(baton->err).append(err.what());
}
if (imageType != sharp::ImageType::UNKNOWN) {
try {
vips::VImage stats = image.stats();
int const bands = image.bands();
for (int b = 1; b <= bands; b++) {
ChannelStats cStats(
static_cast<int>(stats.getpoint(STAT_MIN_INDEX, b).front()),
static_cast<int>(stats.getpoint(STAT_MAX_INDEX, b).front()),
stats.getpoint(STAT_SUM_INDEX, b).front(),
stats.getpoint(STAT_SQ_SUM_INDEX, b).front(),
stats.getpoint(STAT_MEAN_INDEX, b).front(),
stats.getpoint(STAT_STDEV_INDEX, b).front(),
static_cast<int>(stats.getpoint(STAT_MINX_INDEX, b).front()),
static_cast<int>(stats.getpoint(STAT_MINY_INDEX, b).front()),
static_cast<int>(stats.getpoint(STAT_MAXX_INDEX, b).front()),
static_cast<int>(stats.getpoint(STAT_MAXY_INDEX, b).front()));
baton->channelStats.push_back(cStats);
}
// Image is not opaque when alpha layer is present and contains a non-mamixa value
if (image.has_alpha()) {
double const minAlpha = static_cast<double>(stats.getpoint(STAT_MIN_INDEX, bands).front());
if (minAlpha != vips_interpretation_max_alpha(image.interpretation())) {
baton->isOpaque = false;
}
}
// Convert to greyscale
vips::VImage greyscale = image.colourspace(VIPS_INTERPRETATION_B_W)[0];
// Estimate entropy via histogram of greyscale value frequency
baton->entropy = std::abs(greyscale.hist_find().hist_entropy());
// Estimate sharpness via standard deviation of greyscale laplacian
if (image.width() > 1 || image.height() > 1) {
VImage laplacian = VImage::new_matrixv(3, 3,
0.0, 1.0, 0.0,
1.0, -4.0, 1.0,
0.0, 1.0, 0.0);
laplacian.set("scale", 9.0);
baton->sharpness = greyscale.conv(laplacian).deviate();
}
// Most dominant sRGB colour via 4096-bin 3D histogram
vips::VImage hist = sharp::RemoveAlpha(image)
.colourspace(VIPS_INTERPRETATION_sRGB)
.hist_find_ndim(VImage::option()->set("bins", 16));
std::complex<double> maxpos = hist.maxpos();
int const dx = static_cast<int>(std::real(maxpos));
int const dy = static_cast<int>(std::imag(maxpos));
std::vector<double> pel = hist(dx, dy);
int const dz = std::distance(pel.begin(), std::find(pel.begin(), pel.end(), hist.max()));
baton->dominantRed = dx * 16 + 8;
baton->dominantGreen = dy * 16 + 8;
baton->dominantBlue = dz * 16 + 8;
} catch (vips::VError const &err) {
(baton->err).append(err.what());
}
}
// Clean up
vips_error_clear();
vips_thread_shutdown();
}
void OnOK() {
Napi::Env env = Env();
Napi::HandleScope scope(env);
// Handle warnings
std::string warning = sharp::VipsWarningPop();
while (!warning.empty()) {
debuglog.Call(Receiver().Value(), { Napi::String::New(env, warning) });
warning = sharp::VipsWarningPop();
}
if (baton->err.empty()) {
// Stats Object
Napi::Object info = Napi::Object::New(env);
Napi::Array channels = Napi::Array::New(env);
std::vector<ChannelStats>::iterator it;
int i = 0;
for (it = baton->channelStats.begin(); it < baton->channelStats.end(); it++, i++) {
Napi::Object channelStat = Napi::Object::New(env);
channelStat.Set("min", it->min);
channelStat.Set("max", it->max);
channelStat.Set("sum", it->sum);
channelStat.Set("squaresSum", it->squaresSum);
channelStat.Set("mean", it->mean);
channelStat.Set("stdev", it->stdev);
channelStat.Set("minX", it->minX);
channelStat.Set("minY", it->minY);
channelStat.Set("maxX", it->maxX);
channelStat.Set("maxY", it->maxY);
channels.Set(i, channelStat);
}
info.Set("channels", channels);
info.Set("isOpaque", baton->isOpaque);
info.Set("entropy", baton->entropy);
info.Set("sharpness", baton->sharpness);
Napi::Object dominant = Napi::Object::New(env);
dominant.Set("r", baton->dominantRed);
dominant.Set("g", baton->dominantGreen);
dominant.Set("b", baton->dominantBlue);
info.Set("dominant", dominant);
Callback().Call(Receiver().Value(), { env.Null(), info });
} else {
Callback().Call(Receiver().Value(), { Napi::Error::New(env, sharp::TrimEnd(baton->err)).Value() });
}
delete baton->input;
delete baton;
}
private:
StatsBaton* baton;
Napi::FunctionReference debuglog;
};
/*
stats(options, callback)
*/
Napi::Value stats(const Napi::CallbackInfo& info) {
// V8 objects are converted to non-V8 types held in the baton struct
StatsBaton *baton = new StatsBaton;
Napi::Object options = info[size_t(0)].As<Napi::Object>();
// Input
baton->input = sharp::CreateInputDescriptor(options.Get("input").As<Napi::Object>());
baton->input->access = VIPS_ACCESS_RANDOM;
// Function to notify of libvips warnings
Napi::Function debuglog = options.Get("debuglog").As<Napi::Function>();
// Join queue for worker thread
Napi::Function callback = info[size_t(1)].As<Napi::Function>();
StatsWorker *worker = new StatsWorker(callback, baton, debuglog);
worker->Receiver().Set("options", options);
worker->Queue();
// Increment queued task counter
sharp::counterQueue++;
return info.Env().Undefined();
}

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#ifndef SRC_STATS_H_
#define SRC_STATS_H_
#include <string>
#include <napi.h>
#include "./common.h"
struct ChannelStats {
// stats per channel
int min;
int max;
double sum;
double squaresSum;
double mean;
double stdev;
int minX;
int minY;
int maxX;
int maxY;
ChannelStats(int minVal, int maxVal, double sumVal, double squaresSumVal,
double meanVal, double stdevVal, int minXVal, int minYVal, int maxXVal, int maxYVal):
min(minVal), max(maxVal), sum(sumVal), squaresSum(squaresSumVal),
mean(meanVal), stdev(stdevVal), minX(minXVal), minY(minYVal), maxX(maxXVal), maxY(maxYVal) {}
};
struct StatsBaton {
// Input
sharp::InputDescriptor *input;
// Output
std::vector<ChannelStats> channelStats;
bool isOpaque;
double entropy;
double sharpness;
int dominantRed;
int dominantGreen;
int dominantBlue;
std::string err;
StatsBaton():
input(nullptr),
isOpaque(true),
entropy(0.0),
sharpness(0.0),
dominantRed(0),
dominantGreen(0),
dominantBlue(0)
{}
};
Napi::Value stats(const Napi::CallbackInfo& info);
#endif // SRC_STATS_H_

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#include <cmath>
#include <string>
#include <cstdio>
#include <napi.h>
#include <vips/vips8>
#include <vips/vector.h>
#include "common.h"
#include "operations.h"
#include "utilities.h"
/*
Get and set cache limits
*/
Napi::Value cache(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
// Set memory limit
if (info[size_t(0)].IsNumber()) {
vips_cache_set_max_mem(info[size_t(0)].As<Napi::Number>().Int32Value() * 1048576);
}
// Set file limit
if (info[size_t(1)].IsNumber()) {
vips_cache_set_max_files(info[size_t(1)].As<Napi::Number>().Int32Value());
}
// Set items limit
if (info[size_t(2)].IsNumber()) {
vips_cache_set_max(info[size_t(2)].As<Napi::Number>().Int32Value());
}
// Get memory stats
Napi::Object memory = Napi::Object::New(env);
memory.Set("current", round(vips_tracked_get_mem() / 1048576));
memory.Set("high", round(vips_tracked_get_mem_highwater() / 1048576));
memory.Set("max", round(vips_cache_get_max_mem() / 1048576));
// Get file stats
Napi::Object files = Napi::Object::New(env);
files.Set("current", vips_tracked_get_files());
files.Set("max", vips_cache_get_max_files());
// Get item stats
Napi::Object items = Napi::Object::New(env);
items.Set("current", vips_cache_get_size());
items.Set("max", vips_cache_get_max());
Napi::Object cache = Napi::Object::New(env);
cache.Set("memory", memory);
cache.Set("files", files);
cache.Set("items", items);
return cache;
}
/*
Get and set size of thread pool
*/
Napi::Value concurrency(const Napi::CallbackInfo& info) {
// Set concurrency
if (info[size_t(0)].IsNumber()) {
vips_concurrency_set(info[size_t(0)].As<Napi::Number>().Int32Value());
}
// Get concurrency
return Napi::Number::New(info.Env(), vips_concurrency_get());
}
/*
Get internal counters (queued tasks, processing tasks)
*/
Napi::Value counters(const Napi::CallbackInfo& info) {
Napi::Object counters = Napi::Object::New(info.Env());
counters.Set("queue", static_cast<int>(sharp::counterQueue));
counters.Set("process", static_cast<int>(sharp::counterProcess));
return counters;
}
/*
Get and set use of SIMD vector unit instructions
*/
Napi::Value simd(const Napi::CallbackInfo& info) {
// Set state
if (info[size_t(0)].IsBoolean()) {
vips_vector_set_enabled(info[size_t(0)].As<Napi::Boolean>().Value());
}
// Get state
return Napi::Boolean::New(info.Env(), vips_vector_isenabled());
}
/*
Get libvips version
*/
Napi::Value libvipsVersion(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
Napi::Object version = Napi::Object::New(env);
char semver[9];
std::snprintf(semver, sizeof(semver), "%d.%d.%d", vips_version(0), vips_version(1), vips_version(2));
version.Set("semver", Napi::String::New(env, semver));
#ifdef SHARP_USE_GLOBAL_LIBVIPS
version.Set("isGlobal", Napi::Boolean::New(env, true));
#else
version.Set("isGlobal", Napi::Boolean::New(env, false));
#endif
#ifdef __EMSCRIPTEN__
version.Set("isWasm", Napi::Boolean::New(env, true));
#else
version.Set("isWasm", Napi::Boolean::New(env, false));
#endif
return version;
}
/*
Get available input/output file/buffer/stream formats
*/
Napi::Value format(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
Napi::Object format = Napi::Object::New(env);
for (std::string const f : {
"jpeg", "png", "webp", "tiff", "magick", "openslide", "dz",
"ppm", "fits", "gif", "svg", "heif", "pdf", "vips", "jp2k", "jxl", "rad", "dcraw"
}) {
// Input
const VipsObjectClass *oc = vips_class_find("VipsOperation", (f + "load").c_str());
Napi::Boolean hasInputFile = Napi::Boolean::New(env, oc);
Napi::Boolean hasInputBuffer =
Napi::Boolean::New(env, vips_type_find("VipsOperation", (f + "load_buffer").c_str()));
Napi::Object input = Napi::Object::New(env);
input.Set("file", hasInputFile);
input.Set("buffer", hasInputBuffer);
input.Set("stream", hasInputBuffer);
if (hasInputFile) {
const VipsForeignClass *fc = VIPS_FOREIGN_CLASS(oc);
if (fc->suffs) {
Napi::Array fileSuffix = Napi::Array::New(env);
const char **suffix = fc->suffs;
for (int i = 0; *suffix; i++, suffix++) {
fileSuffix.Set(i, Napi::String::New(env, *suffix));
}
input.Set("fileSuffix", fileSuffix);
}
}
// Output
Napi::Boolean hasOutputFile =
Napi::Boolean::New(env, vips_type_find("VipsOperation", (f + "save").c_str()));
Napi::Boolean hasOutputBuffer =
Napi::Boolean::New(env, vips_type_find("VipsOperation", (f + "save_buffer").c_str()));
Napi::Object output = Napi::Object::New(env);
output.Set("file", hasOutputFile);
output.Set("buffer", hasOutputBuffer);
output.Set("stream", hasOutputBuffer);
// Other attributes
Napi::Object container = Napi::Object::New(env);
container.Set("id", f);
container.Set("input", input);
container.Set("output", output);
// Add to set of formats
format.Set(f, container);
}
// Raw, uncompressed data
Napi::Boolean supported = Napi::Boolean::New(env, true);
Napi::Boolean unsupported = Napi::Boolean::New(env, false);
Napi::Object rawInput = Napi::Object::New(env);
rawInput.Set("file", unsupported);
rawInput.Set("buffer", supported);
rawInput.Set("stream", supported);
Napi::Object rawOutput = Napi::Object::New(env);
rawOutput.Set("file", unsupported);
rawOutput.Set("buffer", supported);
rawOutput.Set("stream", supported);
Napi::Object raw = Napi::Object::New(env);
raw.Set("id", "raw");
raw.Set("input", rawInput);
raw.Set("output", rawOutput);
format.Set("raw", raw);
return format;
}
/*
(Un)block libvips operations at runtime.
*/
void block(const Napi::CallbackInfo& info) {
Napi::Array ops = info[size_t(0)].As<Napi::Array>();
bool const state = info[size_t(1)].As<Napi::Boolean>().Value();
for (unsigned int i = 0; i < ops.Length(); i++) {
vips_operation_block_set(ops.Get(i).As<Napi::String>().Utf8Value().c_str(), state);
}
}
/*
Synchronous, internal-only method used by some of the functional tests.
Calculates the maximum colour distance using the DE2000 algorithm
between two images of the same dimensions and number of channels.
*/
Napi::Value _maxColourDistance(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
// Open input files
VImage image1;
sharp::ImageType imageType1 = sharp::DetermineImageType(info[size_t(0)].As<Napi::String>().Utf8Value().data());
if (imageType1 != sharp::ImageType::UNKNOWN) {
try {
image1 = VImage::new_from_file(info[size_t(0)].As<Napi::String>().Utf8Value().c_str());
} catch (...) {
throw Napi::Error::New(env, "Input file 1 has corrupt header");
}
} else {
throw Napi::Error::New(env, "Input file 1 is of an unsupported image format");
}
VImage image2;
sharp::ImageType imageType2 = sharp::DetermineImageType(info[size_t(1)].As<Napi::String>().Utf8Value().data());
if (imageType2 != sharp::ImageType::UNKNOWN) {
try {
image2 = VImage::new_from_file(info[size_t(1)].As<Napi::String>().Utf8Value().c_str());
} catch (...) {
throw Napi::Error::New(env, "Input file 2 has corrupt header");
}
} else {
throw Napi::Error::New(env, "Input file 2 is of an unsupported image format");
}
// Ensure same number of channels
if (image1.bands() != image2.bands()) {
throw Napi::Error::New(env, "mismatchedBands");
}
// Ensure same dimensions
if (image1.width() != image2.width() || image1.height() != image2.height()) {
throw Napi::Error::New(env, "mismatchedDimensions");
}
double maxColourDistance;
try {
// Premultiply and remove alpha
if (image1.has_alpha()) {
image1 = image1.premultiply().extract_band(1, VImage::option()->set("n", image1.bands() - 1));
}
if (image2.has_alpha()) {
image2 = image2.premultiply().extract_band(1, VImage::option()->set("n", image2.bands() - 1));
}
// Calculate colour distance
maxColourDistance = image1.dE00(image2).max();
} catch (vips::VError const &err) {
throw Napi::Error::New(env, err.what());
}
// Clean up libvips' per-request data and threads
vips_error_clear();
vips_thread_shutdown();
return Napi::Number::New(env, maxColourDistance);
}
#if defined(__GNUC__)
// mallctl will be resolved by the runtime linker when jemalloc is being used
extern "C" {
int mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen) __attribute__((weak));
}
Napi::Value _isUsingJemalloc(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
return Napi::Boolean::New(env, mallctl != nullptr);
}
#else
Napi::Value _isUsingJemalloc(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
return Napi::Boolean::New(env, false);
}
#endif
#if defined(__GNUC__) && defined(__x86_64__)
// Are SSE 4.2 intrinsics available at runtime?
Napi::Value _isUsingX64V2(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
unsigned int eax, ebx, ecx, edx;
__asm__ __volatile__("cpuid"
: "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx)
: "a"(1));
return Napi::Boolean::New(env, (ecx & 1U << 20) != 0);
}
#else
Napi::Value _isUsingX64V2(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
return Napi::Boolean::New(env, false);
}
#endif

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// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0
#ifndef SRC_UTILITIES_H_
#define SRC_UTILITIES_H_
#include <napi.h>
Napi::Value cache(const Napi::CallbackInfo& info);
Napi::Value concurrency(const Napi::CallbackInfo& info);
Napi::Value counters(const Napi::CallbackInfo& info);
Napi::Value simd(const Napi::CallbackInfo& info);
Napi::Value libvipsVersion(const Napi::CallbackInfo& info);
Napi::Value format(const Napi::CallbackInfo& info);
void block(const Napi::CallbackInfo& info);
Napi::Value _maxColourDistance(const Napi::CallbackInfo& info);
Napi::Value _isUsingJemalloc(const Napi::CallbackInfo& info);
Napi::Value _isUsingX64V2(const Napi::CallbackInfo& info);
#endif // SRC_UTILITIES_H_

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The MIT License (MIT)
Copyright (c) 2010-2020 Robert Kieffer and other contributors
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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<!--
-- This file is auto-generated from README_js.md. Changes should be made there.
-->
# uuid [![CI](https://github.com/uuidjs/uuid/workflows/CI/badge.svg)](https://github.com/uuidjs/uuid/actions?query=workflow%3ACI) [![Browser](https://github.com/uuidjs/uuid/workflows/Browser/badge.svg)](https://github.com/uuidjs/uuid/actions/workflows/browser.yml)
For the creation of [RFC9562](https://www.rfc-editor.org/rfc/rfc9562.html) (formerly [RFC4122](https://www.rfc-editor.org/rfc/rfc4122.html)) UUIDs
- **Complete** - Support for all RFC9562 UUID versions
- **Cross-platform** - Support for...
- [Typescript](#support)
- [Chrome, Safari, Firefox, and Edge](#support)
- [NodeJS](#support)
- [React Native / Expo](#react-native--expo)
- **Secure** - Uses modern `crypto` API for random values
- **Compact** - Zero-dependency, [tree-shakable](https://developer.mozilla.org/en-US/docs/Glossary/Tree_shaking)
- **CLI** - [`uuid` command line](#command-line) utility
<!-- prettier-ignore -->
> [!NOTE]
>
> Starting with `uuid@12` CommonJS is no longer supported. See [implications](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c) and [motivation](https://github.com/uuidjs/uuid/issues/881) for details.
## Quickstart
**1. Install**
```shell
npm install uuid
```
**2. Create a UUID**
```javascript
import { v4 as uuidv4 } from 'uuid';
uuidv4(); // ⇨ '9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d'
```
For timestamp UUIDs, namespace UUIDs, and other options read on ...
## API Summary
| | | |
| --- | --- | --- |
| [`uuid.NIL`](#uuidnil) | The nil UUID string (all zeros) | New in `uuid@8.3` |
| [`uuid.MAX`](#uuidmax) | The max UUID string (all ones) | New in `uuid@9.1` |
| [`uuid.parse()`](#uuidparsestr) | Convert UUID string to array of bytes | New in `uuid@8.3` |
| [`uuid.stringify()`](#uuidstringifyarr-offset) | Convert array of bytes to UUID string | New in `uuid@8.3` |
| [`uuid.v1()`](#uuidv1options-buffer-offset) | Create a version 1 (timestamp) UUID | |
| [`uuid.v1ToV6()`](#uuidv1tov6uuid) | Create a version 6 UUID from a version 1 UUID | New in `uuid@10` |
| [`uuid.v3()`](#uuidv3name-namespace-buffer-offset) | Create a version 3 (namespace w/ MD5) UUID | |
| [`uuid.v4()`](#uuidv4options-buffer-offset) | Create a version 4 (random) UUID | |
| [`uuid.v5()`](#uuidv5name-namespace-buffer-offset) | Create a version 5 (namespace w/ SHA-1) UUID | |
| [`uuid.v6()`](#uuidv6options-buffer-offset) | Create a version 6 (timestamp, reordered) UUID | New in `uuid@10` |
| [`uuid.v6ToV1()`](#uuidv6tov1uuid) | Create a version 1 UUID from a version 6 UUID | New in `uuid@10` |
| [`uuid.v7()`](#uuidv7options-buffer-offset) | Create a version 7 (Unix Epoch time-based) UUID | New in `uuid@10` |
| ~~[`uuid.v8()`](#uuidv8)~~ | "Intentionally left blank" | |
| [`uuid.validate()`](#uuidvalidatestr) | Test a string to see if it is a valid UUID | New in `uuid@8.3` |
| [`uuid.version()`](#uuidversionstr) | Detect RFC version of a UUID | New in `uuid@8.3` |
## API
### uuid.NIL
The nil UUID string (all zeros).
Example:
```javascript
import { NIL as NIL_UUID } from 'uuid';
NIL_UUID; // ⇨ '00000000-0000-0000-0000-000000000000'
```
### uuid.MAX
The max UUID string (all ones).
Example:
```javascript
import { MAX as MAX_UUID } from 'uuid';
MAX_UUID; // ⇨ 'ffffffff-ffff-ffff-ffff-ffffffffffff'
```
### uuid.parse(str)
Convert UUID string to array of bytes
| | |
| --------- | ---------------------------------------- |
| `str` | A valid UUID `String` |
| _returns_ | `Uint8Array[16]` |
| _throws_ | `TypeError` if `str` is not a valid UUID |
<!-- prettier-ignore -->
> [!NOTE]
> Ordering of values in the byte arrays used by `parse()` and `stringify()` follows the left &Rarr; right order of hex-pairs in UUID strings. As shown in the example below.
Example:
```javascript
import { parse as uuidParse } from 'uuid';
// Parse a UUID
uuidParse('6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b'); // ⇨
// Uint8Array(16) [
// 110, 192, 189, 127, 17,
// 192, 67, 218, 151, 94,
// 42, 138, 217, 235, 174,
// 11
// ]
```
### uuid.stringify(arr[, offset])
Convert array of bytes to UUID string
| | |
| -------------- | ---------------------------------------------------------------------------- |
| `arr` | `Array`-like collection of 16 values (starting from `offset`) between 0-255. |
| [`offset` = 0] | `Number` Starting index in the Array |
| _returns_ | `String` |
| _throws_ | `TypeError` if a valid UUID string cannot be generated |
<!-- prettier-ignore -->
> [!NOTE]
> Ordering of values in the byte arrays used by `parse()` and `stringify()` follows the left &Rarr; right order of hex-pairs in UUID strings. As shown in the example below.
Example:
```javascript
import { stringify as uuidStringify } from 'uuid';
const uuidBytes = Uint8Array.of(
0x6e,
0xc0,
0xbd,
0x7f,
0x11,
0xc0,
0x43,
0xda,
0x97,
0x5e,
0x2a,
0x8a,
0xd9,
0xeb,
0xae,
0x0b
);
uuidStringify(uuidBytes); // ⇨ '6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b'
```
### uuid.v1([options[, buffer[, offset]]])
Create an RFC version 1 (timestamp) UUID
| | |
| --- | --- |
| [`options`] | `Object` with one or more of the following properties: |
| [`options.node = (random)` ] | RFC "node" field as an `Array[6]` of byte values (per 4.1.6) |
| [`options.clockseq = (random)`] | RFC "clock sequence" as a `Number` between 0 - 0x3fff |
| [`options.msecs = (current time)`] | RFC "timestamp" field (`Number` of milliseconds, unix epoch) |
| [`options.nsecs = 0`] | RFC "timestamp" field (`Number` of nanoseconds to add to `msecs`, should be 0-10,000) |
| [`options.random = (random)`] | `Array` of 16 random bytes (0-255) used to generate other fields, above |
| [`options.rng`] | Alternative to `options.random`, a `Function` that returns an `Array` of 16 random bytes (0-255) |
| [`buffer`] | `Uint8Array` or `Uint8Array` subtype (e.g. Node.js `Buffer`). If provided, binary UUID is written into the array, starting at `offset` |
| [`offset` = 0] | `Number` Index to start writing UUID bytes in `buffer` |
| _returns_ | UUID `String` if no `buffer` is specified, otherwise returns `buffer` |
| _throws_ | `Error` if more than 10M UUIDs/sec are requested |
<!-- prettier-ignore -->
> [!NOTE]
> The default [node id](https://datatracker.ietf.org/doc/html/rfc9562#section-5.1) (the last 12 digits in the UUID) is generated once, randomly, on process startup, and then remains unchanged for the duration of the process.
<!-- prettier-ignore -->
> [!NOTE]
> `options.random` and `options.rng` are only meaningful on the very first call to `v1()`, where they may be passed to initialize the internal `node` and `clockseq` fields.
Example:
```javascript
import { v1 as uuidv1 } from 'uuid';
uuidv1(); // ⇨ '2c5ea4c0-4067-11e9-9b5d-ab8dfbbd4bed'
```
Example using `options`:
```javascript
import { v1 as uuidv1 } from 'uuid';
const options = {
node: Uint8Array.of(0x01, 0x23, 0x45, 0x67, 0x89, 0xab),
clockseq: 0x1234,
msecs: new Date('2011-11-01').getTime(),
nsecs: 5678,
};
uuidv1(options); // ⇨ '710b962e-041c-11e1-9234-0123456789ab'
```
### uuid.v1ToV6(uuid)
Convert a UUID from version 1 to version 6
```javascript
import { v1ToV6 } from 'uuid';
v1ToV6('92f62d9e-22c4-11ef-97e9-325096b39f47'); // ⇨ '1ef22c49-2f62-6d9e-97e9-325096b39f47'
```
### uuid.v3(name, namespace[, buffer[, offset]])
Create an RFC version 3 (namespace w/ MD5) UUID
API is identical to `v5()`, but uses "v3" instead.
<!-- prettier-ignore -->
> [!IMPORTANT]
> Per the RFC, "_If backward compatibility is not an issue, SHA-1 [Version 5] is preferred_."
### uuid.v4([options[, buffer[, offset]]])
Create an RFC version 4 (random) UUID
| | |
| --- | --- |
| [`options`] | `Object` with one or more of the following properties: |
| [`options.random`] | `Array` of 16 random bytes (0-255) |
| [`options.rng`] | Alternative to `options.random`, a `Function` that returns an `Array` of 16 random bytes (0-255) |
| [`buffer`] | `Uint8Array` or `Uint8Array` subtype (e.g. Node.js `Buffer`). If provided, binary UUID is written into the array, starting at `offset` |
| [`offset` = 0] | `Number` Index to start writing UUID bytes in `buffer` |
| _returns_ | UUID `String` if no `buffer` is specified, otherwise returns `buffer` |
Example:
```javascript
import { v4 as uuidv4 } from 'uuid';
uuidv4(); // ⇨ '1b9d6bcd-bbfd-4b2d-9b5d-ab8dfbbd4bed'
```
Example using predefined `random` values:
```javascript
import { v4 as uuidv4 } from 'uuid';
const v4options = {
random: Uint8Array.of(
0x10,
0x91,
0x56,
0xbe,
0xc4,
0xfb,
0xc1,
0xea,
0x71,
0xb4,
0xef,
0xe1,
0x67,
0x1c,
0x58,
0x36
),
};
uuidv4(v4options); // ⇨ '109156be-c4fb-41ea-b1b4-efe1671c5836'
```
### uuid.v5(name, namespace[, buffer[, offset]])
Create an RFC version 5 (namespace w/ SHA-1) UUID
| | |
| --- | --- |
| `name` | `String \| Array` |
| `namespace` | `String \| Array[16]` Namespace UUID |
| [`buffer`] | `Uint8Array` or `Uint8Array` subtype (e.g. Node.js `Buffer`). If provided, binary UUID is written into the array, starting at `offset` |
| [`offset` = 0] | `Number` Index to start writing UUID bytes in `buffer` |
| _returns_ | UUID `String` if no `buffer` is specified, otherwise returns `buffer` |
<!-- prettier-ignore -->
> [!NOTE]
> The RFC `DNS` and `URL` namespaces are available as `v5.DNS` and `v5.URL`.
Example with custom namespace:
```javascript
import { v5 as uuidv5 } from 'uuid';
// Define a custom namespace. Readers, create your own using something like
// https://www.uuidgenerator.net/
const MY_NAMESPACE = '1b671a64-40d5-491e-99b0-da01ff1f3341';
uuidv5('Hello, World!', MY_NAMESPACE); // ⇨ '630eb68f-e0fa-5ecc-887a-7c7a62614681'
```
Example with RFC `URL` namespace:
```javascript
import { v5 as uuidv5 } from 'uuid';
uuidv5('https://www.w3.org/', uuidv5.URL); // ⇨ 'c106a26a-21bb-5538-8bf2-57095d1976c1'
```
### uuid.v6([options[, buffer[, offset]]])
Create an RFC version 6 (timestamp, reordered) UUID
This method takes the same arguments as uuid.v1().
```javascript
import { v6 as uuidv6 } from 'uuid';
uuidv6(); // ⇨ '1e940672-c5ea-64c1-9bdd-2b0d7b3dcb6d'
```
Example using `options`:
```javascript
import { v6 as uuidv6 } from 'uuid';
const options = {
node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
clockseq: 0x1234,
msecs: new Date('2011-11-01').getTime(),
nsecs: 5678,
};
uuidv6(options); // ⇨ '1e1041c7-10b9-662e-9234-0123456789ab'
```
### uuid.v6ToV1(uuid)
Convert a UUID from version 6 to version 1
```javascript
import { v6ToV1 } from 'uuid';
v6ToV1('1ef22c49-2f62-6d9e-97e9-325096b39f47'); // ⇨ '92f62d9e-22c4-11ef-97e9-325096b39f47'
```
### uuid.v7([options[, buffer[, offset]]])
Create an RFC version 7 (random) UUID
| | |
| --- | --- |
| [`options`] | `Object` with one or more of the following properties: |
| [`options.msecs = (current time)`] | RFC "timestamp" field (`Number` of milliseconds, unix epoch) |
| [`options.random = (random)`] | `Array` of 16 random bytes (0-255) used to generate other fields, above |
| [`options.rng`] | Alternative to `options.random`, a `Function` that returns an `Array` of 16 random bytes (0-255) |
| [`options.seq = (random)`] | 32-bit sequence `Number` between 0 - 0xffffffff. This may be provided to help ensure uniqueness for UUIDs generated within the same millisecond time interval. Default = random value. |
| [`buffer`] | `Uint8Array` or `Uint8Array` subtype (e.g. Node.js `Buffer`). If provided, binary UUID is written into the array, starting at `offset` |
| [`offset` = 0] | `Number` Index to start writing UUID bytes in `buffer` |
| _returns_ | UUID `String` if no `buffer` is specified, otherwise returns `buffer` |
Example:
```javascript
import { v7 as uuidv7 } from 'uuid';
uuidv7(); // ⇨ '01695553-c90c-745a-b76f-770d7b3dcb6d'
```
### ~~uuid.v8()~~
**_"Intentionally left blank"_**
<!-- prettier-ignore -->
> [!NOTE]
> Version 8 (experimental) UUIDs are "[for experimental or vendor-specific use cases](https://www.rfc-editor.org/rfc/rfc9562.html#name-uuid-version-8)". The RFC does not define a creation algorithm for them, which is why this package does not offer a `v8()` method. The `validate()` and `version()` methods do work with such UUIDs, however.
### uuid.validate(str)
Test a string to see if it is a valid UUID
| | |
| --------- | --------------------------------------------------- |
| `str` | `String` to validate |
| _returns_ | `true` if string is a valid UUID, `false` otherwise |
Example:
```javascript
import { validate as uuidValidate } from 'uuid';
uuidValidate('not a UUID'); // ⇨ false
uuidValidate('6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b'); // ⇨ true
```
Using `validate` and `version` together it is possible to do per-version validation, e.g. validate for only v4 UUIds.
```javascript
import { version as uuidVersion } from 'uuid';
import { validate as uuidValidate } from 'uuid';
function uuidValidateV4(uuid) {
return uuidValidate(uuid) && uuidVersion(uuid) === 4;
}
const v1Uuid = 'd9428888-122b-11e1-b85c-61cd3cbb3210';
const v4Uuid = '109156be-c4fb-41ea-b1b4-efe1671c5836';
uuidValidateV4(v4Uuid); // ⇨ true
uuidValidateV4(v1Uuid); // ⇨ false
```
### uuid.version(str)
Detect RFC version of a UUID
| | |
| --------- | ---------------------------------------- |
| `str` | A valid UUID `String` |
| _returns_ | `Number` The RFC version of the UUID |
| _throws_ | `TypeError` if `str` is not a valid UUID |
Example:
```javascript
import { version as uuidVersion } from 'uuid';
uuidVersion('45637ec4-c85f-11ea-87d0-0242ac130003'); // ⇨ 1
uuidVersion('6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b'); // ⇨ 4
```
<!-- prettier-ignore -->
> [!NOTE]
> This method returns `0` for the `NIL` UUID, and `15` for the `MAX` UUID.
## Command Line
UUIDs can be generated from the command line using `uuid`.
```shell
$ npx uuid
ddeb27fb-d9a0-4624-be4d-4615062daed4
```
The default is to generate version 4 UUIDS, however the other versions are supported. Type `uuid --help` for details:
```shell
$ npx uuid --help
Usage:
uuid
uuid v1
uuid v3 <name> <namespace uuid>
uuid v4
uuid v5 <name> <namespace uuid>
uuid v7
uuid --help
Note: <namespace uuid> may be "URL" or "DNS" to use the corresponding UUIDs
defined by RFC9562
```
## `options` Handling for Timestamp UUIDs
Prior to `uuid@11`, it was possible for `options` state to interfere with the internal state used to ensure uniqueness of timestamp-based UUIDs (the `v1()`, `v6()`, and `v7()` methods). Starting with `uuid@11`, this issue has been addressed by using the presence of the `options` argument as a flag to select between two possible behaviors:
- Without `options`: Internal state is utilized to improve UUID uniqueness.
- With `options`: Internal state is **NOT** used and, instead, appropriate defaults are applied as needed.
## Support
**Browsers**: `uuid` [builds are tested](/uuidjs/uuid/blob/main/wdio.conf.js) against the latest version of desktop Chrome, Safari, Firefox, and Edge. Mobile versions of these same browsers are expected to work but aren't currently tested.
**Node**: `uuid` [builds are tested](https://github.com/uuidjs/uuid/blob/main/.github/workflows/ci.yml#L26-L27) against node ([LTS releases](https://github.com/nodejs/Release)), plus one prior. E.g. At the time of this writing `node@20` is the "maintenance" release and `node@24` is the "current" release, so `uuid` supports `node@18`-`node@24`.
**Typescript**: TS versions released within the past two years are supported. [source](https://github.com/microsoft/TypeScript/issues/49088#issuecomment-2468723715)
## Known issues
<!-- This header is referenced as an anchor in src/rng-browser.ts -->
### "getRandomValues() not supported"
This error occurs in environments where the standard [`crypto.getRandomValues()`](https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues) API is not supported. This issue can be resolved by adding an appropriate polyfill:
#### React Native / Expo
1. Install [`react-native-get-random-values`](https://github.com/LinusU/react-native-get-random-values#readme)
1. Import it _before_ `uuid`. Since `uuid` might also appear as a transitive dependency of some other imports it's safest to just import `react-native-get-random-values` as the very first thing in your entry point:
```javascript
import 'react-native-get-random-values';
import { v4 as uuidv4 } from 'uuid';
```
---
Markdown generated from [README_js.md](README_js.md) by <a href="https://github.com/broofa/runmd"><image height="13" src="https://camo.githubusercontent.com/5c7c603cd1e6a43370b0a5063d457e0dabb74cf317adc7baba183acb686ee8d0/687474703a2f2f692e696d6775722e636f6d2f634a4b6f3662552e706e67" /></a>

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#!/usr/bin/env node
import '../uuid-bin.js';

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export { default as MAX } from './max.js';
export { default as NIL } from './nil.js';
export { default as parse } from './parse.js';
export { default as stringify } from './stringify.js';
export { default as v1 } from './v1.js';
export { default as v1ToV6 } from './v1ToV6.js';
export { default as v3 } from './v3.js';
export { default as v4 } from './v4.js';
export { default as v5 } from './v5.js';
export { default as v6 } from './v6.js';
export { default as v6ToV1 } from './v6ToV1.js';
export { default as v7 } from './v7.js';
export { default as validate } from './validate.js';
export { default as version } from './version.js';

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export default 'ffffffff-ffff-ffff-ffff-ffffffffffff';

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import { createHash } from 'node:crypto';
function md5(bytes) {
if (Array.isArray(bytes)) {
bytes = Buffer.from(bytes);
}
else if (typeof bytes === 'string') {
bytes = Buffer.from(bytes, 'utf8');
}
return createHash('md5').update(bytes).digest();
}
export default md5;

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import { randomUUID } from 'node:crypto';
export default { randomUUID };

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export default '00000000-0000-0000-0000-000000000000';

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import validate from './validate.js';
function parse(uuid) {
if (!validate(uuid)) {
throw TypeError('Invalid UUID');
}
let v;
return Uint8Array.of((v = parseInt(uuid.slice(0, 8), 16)) >>> 24, (v >>> 16) & 0xff, (v >>> 8) & 0xff, v & 0xff, (v = parseInt(uuid.slice(9, 13), 16)) >>> 8, v & 0xff, (v = parseInt(uuid.slice(14, 18), 16)) >>> 8, v & 0xff, (v = parseInt(uuid.slice(19, 23), 16)) >>> 8, v & 0xff, ((v = parseInt(uuid.slice(24, 36), 16)) / 0x10000000000) & 0xff, (v / 0x100000000) & 0xff, (v >>> 24) & 0xff, (v >>> 16) & 0xff, (v >>> 8) & 0xff, v & 0xff);
}
export default parse;

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export default /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/i;

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import { randomFillSync } from 'node:crypto';
const rnds8Pool = new Uint8Array(256);
let poolPtr = rnds8Pool.length;
export default function rng() {
if (poolPtr > rnds8Pool.length - 16) {
randomFillSync(rnds8Pool);
poolPtr = 0;
}
return rnds8Pool.slice(poolPtr, (poolPtr += 16));
}

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import { createHash } from 'node:crypto';
function sha1(bytes) {
if (Array.isArray(bytes)) {
bytes = Buffer.from(bytes);
}
else if (typeof bytes === 'string') {
bytes = Buffer.from(bytes, 'utf8');
}
return createHash('sha1').update(bytes).digest();
}
export default sha1;

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import validate from './validate.js';
const byteToHex = [];
for (let i = 0; i < 256; ++i) {
byteToHex.push((i + 0x100).toString(16).slice(1));
}
export function unsafeStringify(arr, offset = 0) {
return (byteToHex[arr[offset + 0]] +
byteToHex[arr[offset + 1]] +
byteToHex[arr[offset + 2]] +
byteToHex[arr[offset + 3]] +
'-' +
byteToHex[arr[offset + 4]] +
byteToHex[arr[offset + 5]] +
'-' +
byteToHex[arr[offset + 6]] +
byteToHex[arr[offset + 7]] +
'-' +
byteToHex[arr[offset + 8]] +
byteToHex[arr[offset + 9]] +
'-' +
byteToHex[arr[offset + 10]] +
byteToHex[arr[offset + 11]] +
byteToHex[arr[offset + 12]] +
byteToHex[arr[offset + 13]] +
byteToHex[arr[offset + 14]] +
byteToHex[arr[offset + 15]]).toLowerCase();
}
function stringify(arr, offset = 0) {
const uuid = unsafeStringify(arr, offset);
if (!validate(uuid)) {
throw TypeError('Stringified UUID is invalid');
}
return uuid;
}
export default stringify;

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export {};

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import * as assert from 'node:assert/strict';
import v1 from './v1.js';
import v3 from './v3.js';
import v4 from './v4.js';
import v5 from './v5.js';
import v6 from './v6.js';
import v7 from './v7.js';
function usage() {
console.log('Usage:');
console.log(' uuid');
console.log(' uuid v1');
console.log(' uuid v3 <name> <namespace uuid>');
console.log(' uuid v4');
console.log(' uuid v5 <name> <namespace uuid>');
console.log(' uuid v6');
console.log(' uuid v7');
console.log(' uuid --help');
console.log('\nNote: <namespace uuid> may be "URL" or "DNS" to use the corresponding UUIDs defined by RFC9562');
}
const args = process.argv.slice(2);
if (args.indexOf('--help') >= 0) {
usage();
process.exit(0);
}
const version = args.shift() || 'v4';
switch (version) {
case 'v1':
console.log(v1());
break;
case 'v3': {
const name = args.shift();
let namespace = args.shift();
assert.ok(name != null, 'v3 name not specified');
assert.ok(namespace != null, 'v3 namespace not specified');
if (namespace === 'URL') {
namespace = v3.URL;
}
if (namespace === 'DNS') {
namespace = v3.DNS;
}
console.log(v3(name, namespace));
break;
}
case 'v4':
console.log(v4());
break;
case 'v5': {
const name = args.shift();
let namespace = args.shift();
assert.ok(name != null, 'v5 name not specified');
assert.ok(namespace != null, 'v5 namespace not specified');
if (namespace === 'URL') {
namespace = v5.URL;
}
if (namespace === 'DNS') {
namespace = v5.DNS;
}
console.log(v5(name, namespace));
break;
}
case 'v6':
console.log(v6());
break;
case 'v7':
console.log(v7());
break;
default:
usage();
process.exit(1);
}

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import rng from './rng.js';
import { unsafeStringify } from './stringify.js';
const _state = {};
function v1(options, buf, offset) {
let bytes;
const isV6 = options?._v6 ?? false;
if (options) {
const optionsKeys = Object.keys(options);
if (optionsKeys.length === 1 && optionsKeys[0] === '_v6') {
options = undefined;
}
}
if (options) {
bytes = v1Bytes(options.random ?? options.rng?.() ?? rng(), options.msecs, options.nsecs, options.clockseq, options.node, buf, offset);
}
else {
const now = Date.now();
const rnds = rng();
updateV1State(_state, now, rnds);
bytes = v1Bytes(rnds, _state.msecs, _state.nsecs, isV6 ? undefined : _state.clockseq, isV6 ? undefined : _state.node, buf, offset);
}
return buf ?? unsafeStringify(bytes);
}
export function updateV1State(state, now, rnds) {
state.msecs ??= -Infinity;
state.nsecs ??= 0;
if (now === state.msecs) {
state.nsecs++;
if (state.nsecs >= 10000) {
state.node = undefined;
state.nsecs = 0;
}
}
else if (now > state.msecs) {
state.nsecs = 0;
}
else if (now < state.msecs) {
state.node = undefined;
}
if (!state.node) {
state.node = rnds.slice(10, 16);
state.node[0] |= 0x01;
state.clockseq = ((rnds[8] << 8) | rnds[9]) & 0x3fff;
}
state.msecs = now;
return state;
}
function v1Bytes(rnds, msecs, nsecs, clockseq, node, buf, offset = 0) {
if (rnds.length < 16) {
throw new Error('Random bytes length must be >= 16');
}
if (!buf) {
buf = new Uint8Array(16);
offset = 0;
}
else {
if (offset < 0 || offset + 16 > buf.length) {
throw new RangeError(`UUID byte range ${offset}:${offset + 15} is out of buffer bounds`);
}
}
msecs ??= Date.now();
nsecs ??= 0;
clockseq ??= ((rnds[8] << 8) | rnds[9]) & 0x3fff;
node ??= rnds.slice(10, 16);
msecs += 12219292800000;
const tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
buf[offset++] = (tl >>> 24) & 0xff;
buf[offset++] = (tl >>> 16) & 0xff;
buf[offset++] = (tl >>> 8) & 0xff;
buf[offset++] = tl & 0xff;
const tmh = ((msecs / 0x100000000) * 10000) & 0xfffffff;
buf[offset++] = (tmh >>> 8) & 0xff;
buf[offset++] = tmh & 0xff;
buf[offset++] = ((tmh >>> 24) & 0xf) | 0x10;
buf[offset++] = (tmh >>> 16) & 0xff;
buf[offset++] = (clockseq >>> 8) | 0x80;
buf[offset++] = clockseq & 0xff;
for (let n = 0; n < 6; ++n) {
buf[offset++] = node[n];
}
return buf;
}
export default v1;

10
server/node_modules/uuid/dist-node/v1ToV6.js generated vendored Normal file
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import parse from './parse.js';
import { unsafeStringify } from './stringify.js';
export default function v1ToV6(uuid) {
const v1Bytes = typeof uuid === 'string' ? parse(uuid) : uuid;
const v6Bytes = _v1ToV6(v1Bytes);
return typeof uuid === 'string' ? unsafeStringify(v6Bytes) : v6Bytes;
}
function _v1ToV6(v1Bytes) {
return Uint8Array.of(((v1Bytes[6] & 0x0f) << 4) | ((v1Bytes[7] >> 4) & 0x0f), ((v1Bytes[7] & 0x0f) << 4) | ((v1Bytes[4] & 0xf0) >> 4), ((v1Bytes[4] & 0x0f) << 4) | ((v1Bytes[5] & 0xf0) >> 4), ((v1Bytes[5] & 0x0f) << 4) | ((v1Bytes[0] & 0xf0) >> 4), ((v1Bytes[0] & 0x0f) << 4) | ((v1Bytes[1] & 0xf0) >> 4), ((v1Bytes[1] & 0x0f) << 4) | ((v1Bytes[2] & 0xf0) >> 4), 0x60 | (v1Bytes[2] & 0x0f), v1Bytes[3], v1Bytes[8], v1Bytes[9], v1Bytes[10], v1Bytes[11], v1Bytes[12], v1Bytes[13], v1Bytes[14], v1Bytes[15]);
}

9
server/node_modules/uuid/dist-node/v3.js generated vendored Normal file
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import md5 from './md5.js';
import v35, { DNS, URL } from './v35.js';
export { DNS, URL } from './v35.js';
function v3(value, namespace, buf, offset) {
return v35(0x30, md5, value, namespace, buf, offset);
}
v3.DNS = DNS;
v3.URL = URL;
export default v3;

36
server/node_modules/uuid/dist-node/v35.js generated vendored Normal file
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import parse from './parse.js';
import { unsafeStringify } from './stringify.js';
export function stringToBytes(str) {
str = unescape(encodeURIComponent(str));
const bytes = new Uint8Array(str.length);
for (let i = 0; i < str.length; ++i) {
bytes[i] = str.charCodeAt(i);
}
return bytes;
}
export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
export default function v35(version, hash, value, namespace, buf, offset) {
const valueBytes = typeof value === 'string' ? stringToBytes(value) : value;
const namespaceBytes = typeof namespace === 'string' ? parse(namespace) : namespace;
if (typeof namespace === 'string') {
namespace = parse(namespace);
}
if (namespace?.length !== 16) {
throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
}
let bytes = new Uint8Array(16 + valueBytes.length);
bytes.set(namespaceBytes);
bytes.set(valueBytes, namespaceBytes.length);
bytes = hash(bytes);
bytes[6] = (bytes[6] & 0x0f) | version;
bytes[8] = (bytes[8] & 0x3f) | 0x80;
if (buf) {
offset = offset || 0;
for (let i = 0; i < 16; ++i) {
buf[offset + i] = bytes[i];
}
return buf;
}
return unsafeStringify(bytes);
}

30
server/node_modules/uuid/dist-node/v4.js generated vendored Normal file
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import native from './native.js';
import rng from './rng.js';
import { unsafeStringify } from './stringify.js';
function _v4(options, buf, offset) {
options = options || {};
const rnds = options.random ?? options.rng?.() ?? rng();
if (rnds.length < 16) {
throw new Error('Random bytes length must be >= 16');
}
rnds[6] = (rnds[6] & 0x0f) | 0x40;
rnds[8] = (rnds[8] & 0x3f) | 0x80;
if (buf) {
offset = offset || 0;
if (offset < 0 || offset + 16 > buf.length) {
throw new RangeError(`UUID byte range ${offset}:${offset + 15} is out of buffer bounds`);
}
for (let i = 0; i < 16; ++i) {
buf[offset + i] = rnds[i];
}
return buf;
}
return unsafeStringify(rnds);
}
function v4(options, buf, offset) {
if (native.randomUUID && !buf && !options) {
return native.randomUUID();
}
return _v4(options, buf, offset);
}
export default v4;

9
server/node_modules/uuid/dist-node/v5.js generated vendored Normal file
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import sha1 from './sha1.js';
import v35, { DNS, URL } from './v35.js';
export { DNS, URL } from './v35.js';
function v5(value, namespace, buf, offset) {
return v35(0x50, sha1, value, namespace, buf, offset);
}
v5.DNS = DNS;
v5.URL = URL;
export default v5;

17
server/node_modules/uuid/dist-node/v6.js generated vendored Normal file
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@ -0,0 +1,17 @@
import { unsafeStringify } from './stringify.js';
import v1 from './v1.js';
import v1ToV6 from './v1ToV6.js';
function v6(options, buf, offset) {
options ??= {};
offset ??= 0;
let bytes = v1({ ...options, _v6: true }, new Uint8Array(16));
bytes = v1ToV6(bytes);
if (buf) {
for (let i = 0; i < 16; i++) {
buf[offset + i] = bytes[i];
}
return buf;
}
return unsafeStringify(bytes);
}
export default v6;

10
server/node_modules/uuid/dist-node/v6ToV1.js generated vendored Normal file
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@ -0,0 +1,10 @@
import parse from './parse.js';
import { unsafeStringify } from './stringify.js';
export default function v6ToV1(uuid) {
const v6Bytes = typeof uuid === 'string' ? parse(uuid) : uuid;
const v1Bytes = _v6ToV1(v6Bytes);
return typeof uuid === 'string' ? unsafeStringify(v1Bytes) : v1Bytes;
}
function _v6ToV1(v6Bytes) {
return Uint8Array.of(((v6Bytes[3] & 0x0f) << 4) | ((v6Bytes[4] >> 4) & 0x0f), ((v6Bytes[4] & 0x0f) << 4) | ((v6Bytes[5] & 0xf0) >> 4), ((v6Bytes[5] & 0x0f) << 4) | (v6Bytes[6] & 0x0f), v6Bytes[7], ((v6Bytes[1] & 0x0f) << 4) | ((v6Bytes[2] & 0xf0) >> 4), ((v6Bytes[2] & 0x0f) << 4) | ((v6Bytes[3] & 0xf0) >> 4), 0x10 | ((v6Bytes[0] & 0xf0) >> 4), ((v6Bytes[0] & 0x0f) << 4) | ((v6Bytes[1] & 0xf0) >> 4), v6Bytes[8], v6Bytes[9], v6Bytes[10], v6Bytes[11], v6Bytes[12], v6Bytes[13], v6Bytes[14], v6Bytes[15]);
}

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