sharp by wasm

README.md

@@ -563,7 +563,7 @@ Company-scoped POS terminals. Auth via selected company (`google_auth.selected_c
 
 `move` moves a category to a new parent. Both `id` (source) and `parentId` (target) are validated via `resolveCategoryAccess` — the target must be a real category of the same authorized company, else `Parent not found`. Moving into itself or into a descendant (cycle) → `Invalid parent`. The moved category gets the next sibling `sort` under the new parent. Returns `{ id, parentId, sort }`. For `POST /api/category/:id/move`.
 
-`addImage` accepts a full-size AVIF `Buffer`. Full image: if already AVIF and ≤1000×1000, stored as-is; otherwise scaled to max 1000×1000 (`storageDir/fullbinary`). Thumb always scaled to max 200×200 (`storageDir/thumbbinary`) via `sharp`. Assigns random `fullHash` (`pic.hash`, unique), computes `thumbhash`, links `categorypic`. Auth via `resolveCategoryAccess`. Errors: `Category not found`, `Not authorized`.
+`addImage` accepts a full-size AVIF `Buffer`. Full image: if already AVIF and ≤1000×1000, stored as-is; otherwise scaled to max 1000×1000 (`storageDir/fullbinary`). Thumb always scaled to max 200×200 (`storageDir/thumbbinary`) via `wasm-image-optimization`. Assigns random `fullHash` (`pic.hash`, unique), computes `thumbhash`, links `categorypic`. Auth via `resolveCategoryAccess`. Errors: `Category not found`, `Not authorized`.
 
 `addImage` returns:
 
@@ -601,7 +601,7 @@ Company-scoped POS terminals. Auth via selected company (`google_auth.selected_c
 | `orderImages` | `(googleAuthId: string, sku: string, { fullHashes: string[] })` | `{ fullHashes: string[] }` |
 | `delete` | `(googleAuthId: string, sku: string)` | `void` |
 
-`addImage` accepts a full-size AVIF `Buffer`. Full image: if already AVIF and ≤1000×1000, stored as-is; otherwise scaled to max 1000×1000 (`storageDir/fullbinary`). Thumb always scaled to max 200×200 (`storageDir/thumbbinary`) via `sharp`. Assigns random `fullHash` (`pic.hash`, unique), computes `thumbhash`, links `articlepic`. Auth like `getBySku`. Errors: `Article not found`, `Not authorized`.
+`addImage` accepts a full-size AVIF `Buffer`. Full image: if already AVIF and ≤1000×1000, stored as-is; otherwise scaled to max 1000×1000 (`storageDir/fullbinary`). Thumb always scaled to max 200×200 (`storageDir/thumbbinary`) via `wasm-image-optimization`. Assigns random `fullHash` (`pic.hash`, unique), computes `thumbhash`, links `articlepic`. Auth like `getBySku`. Errors: `Article not found`, `Not authorized`.
 
 `addImage` returns `ImageResult`:
 

package-lock.json

@@ -14,9 +14,9 @@
         "chalk": "^6.0.1",
         "dotenv": "^18.0.8",
         "pdfconvert-wasm": "^0.3.0",
-        "sharp": "^0.35.5",
         "skelehash-wasm": "^0.1.1",
-        "thumbhash": "^0.1.1"
+        "thumbhash": "^0.1.1",
+        "wasm-image-optimization": "^2.0.13"
       },
       "devDependencies": {
         "better-sqlite3": "^13.0.3",
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-      "version": "0.35.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-wasm32/-/sharp-wasm32-0.35.5.tgz",
-      "integrity": "sha512-Ptsga1su4tQx+LLF1ECS9U6nz5kmrXKo6XVbtR48Ke3ZRxxgaWBu7IDtEe1quo8hiupwm6WFqxVlXaSf7IINGQ==",
-      "license": "Apache-2.0 AND LGPL-3.0-or-later AND MIT",
-      "optional": true,
-      "dependencies": {
-        "@emnapi/runtime": "^1.11.3"
-      },
-      "engines": {
-        "node": ">=20.9.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-webcontainers-wasm32": {
-      "version": "0.35.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-webcontainers-wasm32/-/sharp-webcontainers-wasm32-0.35.5.tgz",
-      "integrity": "sha512-hfhF/FmoQyTUkA0bIKFOtw536BQSeBMe6BF6QyWlrPxT754+TFLaZ7sKKTfvvM0yJgKgaYTwnFCIZ/GuDw5SUA==",
-      "cpu": [
-        "wasm32"
-      ],
-      "license": "Apache-2.0",
-      "optional": true,
-      "dependencies": {
-        "@img/sharp-wasm32": "0.35.5"
-      },
-      "engines": {
-        "node": ">=20.9.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-win32-arm64": {
-      "version": "0.35.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-win32-arm64/-/sharp-win32-arm64-0.35.5.tgz",
-      "integrity": "sha512-X4t7g+7ZA5DKblCBEXGjUqqemj4vczING/5viFwAL8h4N3qYeyjwdCvRLHi4EdOUI+2Z7UFlp1VM+p/AuEtm6Q==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "Apache-2.0 AND LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=20.9.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-win32-ia32": {
-      "version": "0.35.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.35.5.tgz",
-      "integrity": "sha512-5Zm82LoBc43nhwNybZlG7Y1KO//Zhsn306fQl29ZOuStHLGTo3BWL83q3cznX0poxSAMuYL1On/BHBxkBeKr6A==",
-      "cpu": [
-        "ia32"
-      ],
-      "license": "Apache-2.0 AND LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": "^20.9.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-win32-x64": {
-      "version": "0.35.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.35.5.tgz",
-      "integrity": "sha512-x76eH0vEiHlcMQu8Y8IenntaACtddpT6W0wmXtWrnKcnKI7ME5DdgqhAD6SEWOEl1v2zDvkZDhFA9KnURwpfqg==",
-      "cpu": [
-        "x64"
-      ],
-      "license": "Apache-2.0 AND LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=20.9.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
     "node_modules/@js-joda/core": {
       "version": "6.3.0",
       "resolved": "https://registry.npmjs.org/@js-joda/core/-/core-6.3.0.tgz",
@@ -1153,15 +595,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/detect-libc": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
-      "integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
-      "license": "Apache-2.0",
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/dotenv": {
       "version": "18.0.9",
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-18.0.9.tgz",
@@ -1626,6 +1059,7 @@
       "version": "7.8.5",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.8.5.tgz",
       "integrity": "sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==",
+      "dev": true,
       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
@@ -1634,55 +1068,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/sharp": {
-      "version": "0.35.5",
-      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.35.5.tgz",
-      "integrity": "sha512-Ywn4OnzGukp7CDMrp08RQ50YKmuwG47brZgIVPTvBaaAfQlRlygrRqSrxdCiL9M+LlzLBiJ68IR1QqvzHyjC7g==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@img/colour": "^1.1.0",
-        "detect-libc": "^2.1.2",
-        "semver": "^7.8.5"
-      },
-      "engines": {
-        "node": ">=20.9.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      },
-      "optionalDependencies": {
-        "@img/sharp-darwin-arm64": "0.35.5",
-        "@img/sharp-darwin-x64": "0.35.5",
-        "@img/sharp-freebsd-wasm32": "0.35.5",
-        "@img/sharp-libvips-darwin-arm64": "1.3.4",
-        "@img/sharp-libvips-darwin-x64": "1.3.4",
-        "@img/sharp-libvips-linux-arm": "1.3.4",
-        "@img/sharp-libvips-linux-arm64": "1.3.4",
-        "@img/sharp-libvips-linux-ppc64": "1.3.4",
-        "@img/sharp-libvips-linux-riscv64": "1.3.4",
-        "@img/sharp-libvips-linux-s390x": "1.3.4",
-        "@img/sharp-libvips-linux-x64": "1.3.4",
-        "@img/sharp-libvips-linuxmusl-arm64": "1.3.4",
-        "@img/sharp-libvips-linuxmusl-x64": "1.3.4",
-        "@img/sharp-linux-arm": "0.35.5",
-        "@img/sharp-linux-arm64": "0.35.5",
-        "@img/sharp-linux-ppc64": "0.35.5",
-        "@img/sharp-linux-riscv64": "0.35.5",
-        "@img/sharp-linux-s390x": "0.35.5",
-        "@img/sharp-linux-x64": "0.35.5",
-        "@img/sharp-linuxmusl-arm64": "0.35.5",
-        "@img/sharp-linuxmusl-x64": "0.35.5",
-        "@img/sharp-webcontainers-wasm32": "0.35.5",
-        "@img/sharp-win32-arm64": "0.35.5",
-        "@img/sharp-win32-ia32": "0.35.5",
-        "@img/sharp-win32-x64": "0.35.5"
-      },
-      "peerDependenciesMeta": {
-        "@types/node": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/sisteransi": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -1746,7 +1131,7 @@
       "version": "2.8.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
-      "devOptional": true,
+      "dev": true,
       "license": "0BSD"
     },
     "node_modules/undici-types": {
@@ -1756,6 +1141,34 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/wasm-image-optimization": {
+      "version": "2.0.13",
+      "resolved": "https://registry.npmjs.org/wasm-image-optimization/-/wasm-image-optimization-2.0.13.tgz",
+      "integrity": "sha512-MGaFZtdxMHZyaL3VUUcNkN8qccJcy33lcXoUIaegav/y1TiK6c2aALbKAjoe4bXHFI7nDl+5+TG0e9Y8j1/h9Q==",
+      "license": "MIT",
+      "dependencies": {
+        "commander": "15.0.0",
+        "worker-lib": "2.2.1"
+      },
+      "bin": {
+        "wasm-image-optimization": "dist/cli.js"
+      }
+    },
+    "node_modules/wasm-image-optimization/node_modules/commander": {
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-15.0.0.tgz",
+      "integrity": "sha512-z67u4ZhzCL/Tydu1lJARtEZYWbWaN7oYLHbsuzocr6y4N6WZAagG3RQ4FW61V1/0+jImpj293XfrcYnd1qxtPg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=22.12.0"
+      }
+    },
+    "node_modules/worker-lib": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/worker-lib/-/worker-lib-2.2.1.tgz",
+      "integrity": "sha512-CauU4vz3vZUBG3A2CY93GY94KLhbH8JtPKtuvKu2w5G07cHkZ73QkTAJ/lEHDL6arT5WDu1qpU++T0+kGDgSCg==",
+      "license": "MIT"
+    },
     "node_modules/wsl-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/wsl-utils/-/wsl-utils-1.0.1.tgz",

package.json

@@ -30,9 +30,9 @@
     "chalk": "^6.0.1",
     "dotenv": "^18.0.8",
     "pdfconvert-wasm": "^0.3.0",
-    "sharp": "^0.35.5",
     "skelehash-wasm": "^0.1.1",
-    "thumbhash": "^0.1.1"
+    "thumbhash": "^0.1.1",
+    "wasm-image-optimization": "^2.0.13"
   },
   "peerDependencies": {
     "better-sqlite3": "^12.0.0",

scripts/benchmark/workload.js

@@ -1,35 +1,21 @@
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 
 /**
  * Creates sample PNG image buffer.
  */
 async function makeSampleImage(width = 200, height = 200, color = { r: 50, g: 120, b: 220 }) {
-  return sharp({
+  const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="${width}" height="${height}"><rect width="${width}" height="${height}" fill="rgb(${color.r},${color.g},${color.b})"/></svg>`;
-    create: {
+  const res = await optimizeImage({ image: svg, format: 'png' });
-      width,
+  return Buffer.from(res.data);
-      height,
-      channels: 4,
-      background: { ...color, alpha: 1 },
-    },
-  })
-    .png()
-    .toBuffer();
 }
 
 /**
  * Creates sample AVIF thumbnail buffer.
  */
 async function makeSampleThumb(width = 64, height = 64) {
-  return sharp({
+  const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="${width}" height="${height}"><rect width="${width}" height="${height}" fill="rgb(200,60,60)"/></svg>`;
-    create: {
+  const res = await optimizeImage({ image: svg, format: 'avif' });
-      width,
+  return Buffer.from(res.data);
-      height,
-      channels: 4,
-      background: { r: 200, g: 60, b: 60, alpha: 1 },
-    },
-  })
-    .avif()
-    .toBuffer();
 }
 
 /**

scripts/test-attributevalue-pic.js

@@ -2,7 +2,7 @@ import assert from 'node:assert/strict';
 import { mkdtempSync, rmSync } from 'node:fs';
 import { tmpdir } from 'node:os';
 import { join } from 'node:path';
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import LibDashStore from '../src/index.js';
 import { BetterSqlite3Provider } from '../src/providers/sqlite3/index.js';
 
@@ -42,16 +42,9 @@ async function run() {
     assert.ok(val.id > 0);
 
     // Create a 100x100 test image
-    const imageBuffer = await sharp({
+    const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="rgb(25,25,112)"/></svg>`;
-      create: {
+    const encoded = await optimizeImage({ image: svg, format: 'avif' });
-        width: 100,
+    const imageBuffer = Buffer.from(encoded.data);
-        height: 100,
-        channels: 4,
-        background: { r: 25, g: 25, b: 112, alpha: 1 },
-      },
-    })
-      .avif()
-      .toBuffer();
 
     console.log('1. Adding image to attribute value...');
     const addResult = await store.attributevalue.addImage(googleAuthId, val.id, imageBuffer);

scripts/test-sqlite-storage.js

@@ -2,7 +2,7 @@ import assert from 'node:assert/strict';
 import { mkdtempSync, existsSync, readFileSync, rmSync } from 'node:fs';
 import { tmpdir } from 'node:os';
 import { join } from 'node:path';
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import LibDashStore from '../src/index.js';
 import { BetterSqlite3Provider } from '../src/providers/sqlite3/index.js';
 
@@ -72,16 +72,9 @@ async function runTests() {
 
     const manifestId = delivery.id;
     const testContent = Buffer.from('Hello SQLite Storage Engine! PDF or text content test.');
-    const testThumb = await sharp({
+    const thumbSvg = `<svg xmlns="http://www.w3.org/2000/svg" width="64" height="64"><rect width="64" height="64" fill="rgb(255,0,0)"/></svg>`;
-      create: {
+    const testThumbRes = await optimizeImage({ image: thumbSvg, format: 'avif' });
-        width: 64,
+    const testThumb = Buffer.from(testThumbRes.data);
-        height: 64,
-        channels: 4,
-        background: { r: 255, g: 0, b: 0, alpha: 1 },
-      },
-    })
-      .avif()
-      .toBuffer();
 
     const attachment = await store.manifestattachment.add(googleAuthId, manifestId, {
       name: 'test-doc.txt',
@@ -202,16 +195,9 @@ async function runTests() {
 
     console.log('Article track_stock tests passed!');
 
-    const sampleImage = await sharp({
+    const sampleSvg = `<svg xmlns="http://www.w3.org/2000/svg" width="300" height="200"><rect width="300" height="200" fill="rgb(0,128,255)"/></svg>`;
-      create: {
+    const sampleImageRes = await optimizeImage({ image: sampleSvg, format: 'png' });
-        width: 300,
+    const sampleImage = Buffer.from(sampleImageRes.data);
-        height: 200,
-        channels: 4,
-        background: { r: 0, g: 128, b: 255, alpha: 1 },
-      },
-    })
-      .png()
-      .toBuffer();
 
     const picResult = await store.article.addImage(googleAuthId, article.sku, sampleImage);
     const fullHash = picResult.fullHash;
@@ -223,10 +209,10 @@ async function runTests() {
     assert.equal(smallThumbRow.smallthumbw, 32);
     assert.equal(smallThumbRow.smallthumbh, 21);
     assert(Buffer.isBuffer(smallThumbRow.smallthumbbinary), 'Small thumb AVIF must be stored in the pic row');
-    const smallThumbMetadata = await sharp(smallThumbRow.smallthumbbinary).metadata();
+    const smallThumbMetadata = await optimizeImage({ image: smallThumbRow.smallthumbbinary, format: 'none' });
-    assert.equal(smallThumbMetadata.format, 'heif');
+    assert.equal(smallThumbMetadata.originalFormat, 'avif');
-    assert.equal(smallThumbMetadata.width, 32);
+    assert.equal(smallThumbMetadata.originalWidth, 32);
-    assert.equal(smallThumbMetadata.height, 21);
+    assert.equal(smallThumbMetadata.originalHeight, 21);
 
     const brand = await store.brand.create(googleAuthId, { name: 'Small Thumb Test Brand' });
     await store.brand.addImage(googleAuthId, brand.id, sampleImage);

src/store/article/deleteImage.js

@@ -1,4 +1,4 @@
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import { encodeRGBA } from 'skelehash-wasm';
 import { DELETE_BY_ARTICLE_AND_HASH as MSSQL_QUERY } from '../../providers/mssql/queries/pic.js';
 import { DELETE_BY_ARTICLE_AND_HASH as SQLITE_QUERY } from '../../providers/sqlite3/queries/pic.js';
@@ -49,8 +49,8 @@ export default function deleteImage(provider) {
 
       let skelehash = null;
       if (thumbBuffer) {
-        const { data, info } = await sharp(thumbBuffer).ensureAlpha().raw().toBuffer({ resolveWithObject: true });
+        const raw = await optimizeImage({ image: thumbBuffer, format: 'raw' });
-        const res = await encodeRGBA(info.width, info.height, data);
+        const res = await encodeRGBA(raw.width, raw.height, raw.data);
         skelehash = res?.base62;
       }
 

src/store/category/generateImage.js

@@ -9,7 +9,7 @@ import {
 import resolveCategoryAccess from './resolveCategoryAccess.js';
 import addImage from './addImage.js';
 import makeRunner from '../runner.js';
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 
 export default function generateImage(provider) {
   const access = resolveCategoryAccess(provider);
@@ -148,32 +148,32 @@ export default function generateImage(provider) {
       const TOTAL_SIZE = 1200;
       const tileSize = TOTAL_SIZE / targetSize;
 
-      const composites = await Promise.all(
+      const tiles = await Promise.all(
         finalPics.map(async (pic, idx) => {
           const row = Math.floor(idx / targetSize);
           const col = idx % targetSize;
-          const tileBuffer = await sharp(pic.buffer)
+          const tile = await optimizeImage({
-            .resize(tileSize, tileSize, { fit: 'cover', position: 'center' })
+            image: pic.buffer,
-            .toBuffer();
+            width: tileSize,
-          return {
+            height: tileSize,
-            input: tileBuffer,
+            fit: 'cover',
-            left: col * tileSize,
+            format: 'png',
-            top: row * tileSize,
+          });
-          };
+          const b64 = Buffer.from(tile.data).toString('base64');
+          return `<image href="data:image/png;base64,${b64}" x="${col * tileSize}" y="${row * tileSize}" width="${tileSize}" height="${tileSize}"/>`;
         }),
       );
 
-      const mosaicBuffer = await sharp({
+      const mosaicSvg =
-        create: {
+        `<svg xmlns="http://www.w3.org/2000/svg" width="${TOTAL_SIZE}" height="${TOTAL_SIZE}">` +
-          width: TOTAL_SIZE,
+        `<rect width="${TOTAL_SIZE}" height="${TOTAL_SIZE}" fill="#ffffff"/>` +
-          height: TOTAL_SIZE,
+        tiles.join('') +
-          channels: 4,
+        `</svg>`;
-          background: { r: 255, g: 255, b: 255, alpha: 1 },
+      const mosaicRes = await optimizeImage({
-        },
+        image: mosaicSvg,
-      })
+        format: 'png',
-        .composite(composites)
+      });
-        .png()
+      const mosaicBuffer = Buffer.from(mosaicRes.data);
-        .toBuffer();
 
       // Clear existing categorypic rows so the new mosaic becomes the main (first) image
       await runner.query('DELETE FROM categorypic WHERE category_id = @categoryId', { categoryId });

src/store/manifestattachment/add.js

@@ -1,5 +1,5 @@
 import { createHash } from 'node:crypto';
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import generateDocumentThumb from '../../util/generateDocumentThumb.js';
 import * as mssqlQueries from '../../providers/mssql/queries/manifestattachment.js';
 import * as sqliteQueries from '../../providers/sqlite3/queries/manifestattachment.js';
@@ -118,9 +118,9 @@ export default function add(provider) {
 
     if (thumbavif && (!thumbx || !thumby)) {
       try {
-        const meta = await sharp(thumbavif).metadata();
+        const meta = await optimizeImage({ image: thumbavif, format: 'none' });
-        thumbx = thumbx ?? meta.width ?? null;
+        thumbx = thumbx ?? meta.originalWidth ?? null;
-        thumby = thumby ?? meta.height ?? null;
+        thumby = thumby ?? meta.originalHeight ?? null;
       } catch {
         // ignore
       }

src/util/generateDocumentThumb.js

@@ -1,4 +1,4 @@
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import { pdfToPng } from 'pdfconvert-wasm';
 
 const THUMB_MAX = 200;
@@ -97,18 +97,27 @@ export default async function generateDocumentThumb(content, mimetype, options =
   }
 
   try {
-    const thumbResult = await sharp(imageBuffer)
+    const meta = await optimizeImage({ image: imageBuffer, format: 'none' });
-      .resize(THUMB_MAX, THUMB_MAX, { fit: 'inside', withoutEnlargement: true })
+    const srcW = meta.originalWidth || 0;
-      .avif({ effort: 4 })
+    const srcH = meta.originalHeight || 0;
-      .toBuffer({ resolveWithObject: true });
+    const needsResize = srcW > THUMB_MAX || srcH > THUMB_MAX;
+    const scale = needsResize ? Math.min(THUMB_MAX / srcW, THUMB_MAX / srcH) : 1;
+    const thumbResult = await optimizeImage({
+      image: imageBuffer,
+      width: needsResize ? Math.max(1, Math.round(srcW * scale)) : undefined,
+      height: needsResize ? Math.max(1, Math.round(srcH * scale)) : undefined,
+      fit: 'fill',
+      format: 'avif',
+      speed: 6,
+    });
 
     return {
-      thumbavif: thumbResult.data,
+      thumbavif: Buffer.from(thumbResult.data),
-      thumbx: thumbResult.info.width,
+      thumbx: thumbResult.width,
-      thumby: thumbResult.info.height,
+      thumby: thumbResult.height,
     };
   } catch (err) {
-    console.warn('generateDocumentThumb: sharp thumbnail generation failed:', err.message);
+    console.warn('generateDocumentThumb: thumbnail generation failed:', err.message);
     return { thumbavif: null, thumbx: null, thumby: null };
   }
 }

src/util/processAvifImage.js

@@ -1,4 +1,4 @@
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import { rgbaToThumbHash } from 'thumbhash';
 import { encodeRGBA } from 'skelehash-wasm';
 
@@ -6,63 +6,105 @@ const FULL_MAX = 1000;
 const THUMB_MAX = 200;
 const SMALL_THUMB_MAX = 32;
 
+function fitInsideDims(srcW, srcH, maxW, maxH) {
+  if (!srcW || !srcH || (srcW <= maxW && srcH <= maxH)) {
+    return {};
+  }
+  const scale = Math.min(maxW / srcW, maxH / srcH);
+  return {
+    width: Math.max(1, Math.round(srcW * scale)),
+    height: Math.max(1, Math.round(srcH * scale)),
+    fit: 'fill',
+  };
+}
+
+function unpremultiplyRgba(data) {
+  const out = new Uint8Array(data.length);
+  for (let i = 0; i < data.length; i += 4) {
+    const a = data[i + 3];
+    if (a === 255 || a === 0) {
+      out[i] = data[i];
+      out[i + 1] = data[i + 1];
+      out[i + 2] = data[i + 2];
+      out[i + 3] = a;
+    } else {
+      const f = 255 / a;
+      out[i] = Math.min(255, Math.round(data[i] * f));
+      out[i + 1] = Math.min(255, Math.round(data[i + 1] * f));
+      out[i + 2] = Math.min(255, Math.round(data[i + 2] * f));
+      out[i + 3] = a;
+    }
+  }
+  return out;
+}
+
 export default async function processAvifImage(inputBuffer) {
   const input = Buffer.isBuffer(inputBuffer)
     ? inputBuffer
     : Buffer.from(inputBuffer);
 
-  const meta = await sharp(input).metadata();
+  const meta = await optimizeImage({ image: input, format: 'none' });
-  const w = meta.width ?? 0;
+  const w = meta.originalWidth ?? 0;
-  const h = meta.height ?? 0;
+  const h = meta.originalHeight ?? 0;
-  const isAvif =
+  const isAvif = meta.originalFormat === 'avif';
-    meta.format === 'avif' ||
-    (meta.format === 'heif' && meta.compression === 'av1');
   const useOriginalFull =
     isAvif && w > 0 && h > 0 && w <= FULL_MAX && h <= FULL_MAX;
 
   if (!useOriginalFull) {
     console.log(
-      `processAvifImage: converting full image (format=${meta.format ?? 'unknown'}, ${w}×${h}, avif=${isAvif})`,
+      `processAvifImage: converting full image (format=${meta.originalFormat ?? 'unknown'}, ${w}×${h}, avif=${isAvif})`,
     );
   }
 
-  const thumbPipeline = sharp(input)
+  const fullDims = fitInsideDims(w, h, FULL_MAX, FULL_MAX);
-    .resize(THUMB_MAX, THUMB_MAX, { fit: 'inside', withoutEnlargement: true });
+  const thumbDims = fitInsideDims(w, h, THUMB_MAX, THUMB_MAX);
-  const smallThumbPipeline = sharp(input)
+  const rgbaDims = fitInsideDims(w, h, 100, 100);
-    .resize(SMALL_THUMB_MAX, SMALL_THUMB_MAX, { fit: 'inside', withoutEnlargement: true });
+  const smallThumbDims = fitInsideDims(w, h, SMALL_THUMB_MAX, SMALL_THUMB_MAX);
 
   const [full, thumb, thumbRgba, smallThumb] = await Promise.all([
     useOriginalFull
       ? Promise.resolve({
-          info: { width: w, height: h },
+          width: w,
+          height: h,
           data: input,
         })
-      : sharp(input)
+      : optimizeImage({
-          .resize(FULL_MAX, FULL_MAX, { fit: 'inside', withoutEnlargement: true })
+          image: input,
-          .avif({ effort: 2 })
+          ...fullDims,
-          .toBuffer({ resolveWithObject: true }),
+          format: 'avif',
-    thumbPipeline.clone().avif({ effort: 2 }).toBuffer({ resolveWithObject: true }),
+          speed: 8,
-    thumbPipeline
+        }),
-      .clone()
+    optimizeImage({
-      .resize(100, 100, { fit: 'inside', withoutEnlargement: true })
+      image: input,
-      .ensureAlpha()
+      ...thumbDims,
-      .raw()
+      format: 'avif',
-      .toBuffer({ resolveWithObject: true }),
+      speed: 8,
-    smallThumbPipeline
+    }),
-      .avif({ effort: 2 })
+    optimizeImage({
-      .toBuffer({ resolveWithObject: true }),
+      image: input,
+      ...rgbaDims,
+      format: 'raw',
+    }),
+    optimizeImage({
+      image: input,
+      ...smallThumbDims,
+      format: 'avif',
+      speed: 8,
+    }),
   ]);
 
+  const rgbaPixels = unpremultiplyRgba(thumbRgba.data);
+
   const [thumbHashBytes, skele] = await Promise.all([
     rgbaToThumbHash(
-      thumbRgba.info.width,
+      thumbRgba.width,
-      thumbRgba.info.height,
+      thumbRgba.height,
-      thumbRgba.data,
+      rgbaPixels,
     ),
     encodeRGBA(
-      thumbRgba.info.width,
+      thumbRgba.width,
-      thumbRgba.info.height,
+      thumbRgba.height,
-      thumbRgba.data,
+      rgbaPixels,
     ),
   ]);
 
@@ -70,24 +112,28 @@ export default async function processAvifImage(inputBuffer) {
     throw new Error('encodeRGBA failed to produce a base62 skelehash');
   }
 
+  const fullBuf = Buffer.isBuffer(full.data) ? full.data : Buffer.from(full.data);
+  const thumbBuf = Buffer.from(thumb.data);
+  const smallThumbBuf = Buffer.from(smallThumb.data);
+
   return {
     full: {
-      w: full.info.width,
+      w: full.width,
-      h: full.info.height,
+      h: full.height,
-      size: full.data.length,
+      size: fullBuf.length,
-      buffer: full.data,
+      buffer: fullBuf,
     },
     thumb: {
-      w: thumb.info.width,
+      w: thumb.width,
-      h: thumb.info.height,
+      h: thumb.height,
-      size: thumb.data.length,
+      size: thumbBuf.length,
-      buffer: thumb.data,
+      buffer: thumbBuf,
       hash: Buffer.from(thumbHashBytes).toString('base64'),
     },
     smallThumb: {
-      w: smallThumb.info.width,
+      w: smallThumb.width,
-      h: smallThumb.info.height,
+      h: smallThumb.height,
-      buffer: smallThumb.data,
+      buffer: smallThumbBuf,
     },
     skelehash: skele.base62,
   };

test/helpers.js

@@ -1,7 +1,7 @@
 import { mkdtempSync, rmSync } from 'node:fs';
 import { tmpdir } from 'node:os';
 import { join } from 'node:path';
-import sharp from 'sharp';
+import { optimizeImage } from 'wasm-image-optimization';
 import LibDashStore from '../src/index.js';
 import { BetterSqlite3Provider } from '../src/providers/sqlite3/index.js';
 
@@ -79,11 +79,9 @@ export async function createCustomer(store, tenant, name = 'Customer') {
 
 /** Generates a small solid-color PNG buffer for image tests. */
 export async function makePng({ width = 64, height = 48, r = 200, g = 30, b = 60 } = {}) {
-  return sharp({
+  const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="${width}" height="${height}"><rect width="${width}" height="${height}" fill="rgb(${r},${g},${b})"/></svg>`;
-    create: { width, height, channels: 3, background: { r, g, b } },
+  const res = await optimizeImage({ image: svg, format: 'png' });
-  })
+  return Buffer.from(res.data);
-    .png()
-    .toBuffer();
 }
 
 export const isoNow = () => new Date().toISOString();