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"version": "1.0.1", "resolved": "https://registry.npmjs.org/dev-ip/-/dev-ip-1.0.1.tgz", @@ -1511,6 +1915,12 @@ "url": "https://github.com/sponsors/wooorm" } }, + "node_modules/is-arrayish": { + "version": "0.3.2", + "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz", + "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ==", + "license": "MIT" + }, "node_modules/is-binary-path": { "version": "2.1.0", "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz", @@ -2371,6 +2781,45 @@ "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==", "license": "ISC" }, + "node_modules/sharp": { + "version": "0.33.5", + "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.33.5.tgz", + "integrity": "sha512-haPVm1EkS9pgvHrQ/F3Xy+hgcuMV0Wm9vfIBSiwZ05k+xgb0PkBQpGsAA/oWdDobNaZTH5ppvHtzCFbnSEwHVw==", + "hasInstallScript": true, + "license": 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"0.33.5", + "@img/sharp-win32-x64": "0.33.5" + } + }, "node_modules/shebang-command": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz", @@ -2402,6 +2851,15 @@ "url": "https://github.com/sponsors/isaacs" } }, + "node_modules/simple-swizzle": { + "version": "0.2.2", + "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz", + "integrity": "sha512-JA//kQgZtbuY83m+xT+tXJkmJncGMTFT+C+g2h2R9uxkYIrE2yy9sgmcLhCnw57/WSD+Eh3J97FPEDFnbXnDUg==", + "license": "MIT", + "dependencies": { + "is-arrayish": "^0.3.1" + } + }, "node_modules/slash": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/slash/-/slash-1.0.0.tgz", @@ -2617,6 +3075,13 @@ "node": ">=18" } }, + "node_modules/tslib": { + "version": "2.8.1", + "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz", + "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==", + "license": "0BSD", + "optional": true + }, "node_modules/uc.micro": { "version": "2.1.0", "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-2.1.0.tgz", diff --git a/package.json b/package.json index 6ef1e4d..acff80b 100644 --- a/package.json +++ b/package.json @@ -40,6 +40,7 @@ "cross-env": "^7.0.3", "jsdom": "^25.0.1", "luxon": "^3.3.0", - "markdown-it-anchor": "^8.6.7" + "markdown-it-anchor": "^8.6.7", + "sharp": "^0.33.5" } } diff --git a/tools/img-shrink.js b/tools/img-shrink.js index dcf9608..dc3e549 100644 --- a/tools/img-shrink.js +++ b/tools/img-shrink.js @@ -1,28 +1,36 @@ -// winget install ImageMagick.Q8 -const { exec } = require('node:child_process'); -const { readdir } = require('node:fs/promises'); -const path = require('node:path'); +import fs from 'node:fs/promises'; +import path from 'node:path'; +import sharp from 'sharp'; + +const dirIn = 'tools/in'; +const dirOut = 'tools/out'; +const thresholdBytes = 2 * 1024 * 1024; +const quality = [100, 87, 75, 62, 50, 37, 25, 12]; async function main() { - const dirIn = 'tools/in'; - const dirOut = 'tools/out'; - for (const base of await readdir(dirIn)) { + for (const base of await fs.readdir(dirIn)) { if (base === '.gitkeep') continue; const fileIn = `${dirIn}/${base}`; - const file = path.parse(fileIn); - const fileOut = `${dirOut}/${file.name}.webp`; - - // TODO: what if the input image is already a lossless webp? - const lossless = file.ext === '.png'; - - const command = [ - `magick "${fileIn}"`, - `-define webp:lossless=${lossless}`, - `-define webp:target-size=200kb`, - `"${fileOut}"`, - ].join(' '); - console.log(command); - exec(command, (_err, stdout, stderr) => console.log(stdout + stderr)); + const { name } = path.parse(fileIn); + const { size } = await fs.stat(fileIn); + if (size <= thresholdBytes) { + const fileOut = `${dirOut}/${base}`; + console.log(`${fileIn} -> ${fileOut} (no changes)`); + fs.copyFile(fileIn, fileOut); + continue; + } + const fileOut = `${dirOut}/${name}.jpg`; + for (let i = 0; i < quality.length; i += 1) { + const newStats = await (sharp(fileIn) + .withMetadata() + .jpeg({ mozjpeg: true, quality: quality[i] }) + .toFile(fileOut) + ); + if (i == quality.length || newStats.size <= thresholdBytes) { + console.log(`${fileIn} -> ${fileOut} (quality: ${quality[i]})`); + break; + } + } } }