画像最適化スクリプトを書いて最適化した

workspaces/scripts/.gitignore

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+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches
+
+.cache
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# dotenv environment variable files
+
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
+
+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

workspaces/scripts/README.md

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+# @wsh-2024/scripts
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.0.30. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

workspaces/scripts/compress-avif.ts

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+/* eslint-disable import/no-unresolved */
+
+import { $ } from 'bun';
+import sharp from 'sharp';
+
+const base = '../server/seeds/images';
+
+const getFilenames = async (extension: string) => {
+  const result = await $`cd ${base} && ls *.${extension}`;
+  const filenames = result.text().split('\n').filter(Boolean);
+  return filenames;
+};
+
+await $`cd ${base} && ls *.jxl | sed -e s/\.jxl// | awk '{print $1 ".png"}' | xargs rm`;
+const [jpg, png, jxl] = await Promise.all([getFilenames('jpg'), getFilenames('png'), getFilenames('jxl')]);
+
+jpg.forEach(async (filename) => {
+  const input = `${base}/${filename}`;
+  const output = `${base}/${filename.replace('.jpg', '.avif')}`;
+  const output32 = `${base}/${filename.replace('.jpg', '_32x32.avif')}`;
+  const output96 = `${base}/${filename.replace('.jpg', '_96x96.avif')}`;
+  const output128 = `${base}/${filename.replace('.jpg', '_128x128.avif')}`;
+
+  await Promise.all([
+    sharp(input)
+      .avif({ quality: 30 })
+      .toFile(output)
+      .then(() => console.log(`Compressed ${filename} to ${output}`)),
+    sharp(input)
+      .resize(32)
+      .avif({ quality: 30 })
+      .toFile(output32)
+      .then(() => console.log(`Compressed ${filename} to ${output32}`)),
+    sharp(input)
+      .resize(96)
+      .avif({ quality: 30 })
+      .toFile(output96)
+      .then(() => console.log(`Compressed ${filename} to ${output96}`)),
+    sharp(input)
+      .resize(128)
+      .avif({ quality: 30 })
+      .toFile(output128)
+      .then(() => console.log(`Compressed ${filename} to ${output128}`)),
+  ]);
+});
+
+png.forEach(async (filename) => {
+  const input = `${base}/${filename}`;
+  const output = `${base}/${filename.replace('.png', '.avif')}`;
+  const output144 = `${base}/${filename.replace('.png', '_144x204.avif')}`;
+  const output288 = `${base}/${filename.replace('.png', '_288x407.avif')}`;
+
+  await Promise.all([
+    sharp(input)
+      .avif({ quality: 30 })
+      .toFile(output)
+      .then(() => console.log(`Compressed ${filename} to ${output}`)),
+    sharp(input)
+      .resize(144)
+      .avif({ quality: 30 })
+      .toFile(output144)
+      .then(() => console.log(`Compressed ${filename} to ${output144}`)),
+    sharp(input)
+      .resize(288)
+      .avif({ quality: 30 })
+      .toFile(output288)
+      .then(() => console.log(`Compressed ${filename} to ${output288}`)),
+  ]);
+});
+
+await $`cd ${base} && ls *.jxl | sed -e s/\.jxl// | awk '{print $1 ".jxl " $1 ".png"}' | xargs -n 2 djxl`;
+await Bun.sleep(10000);
+
+jxl.forEach(async (filename) => {
+  const input = `${base}/${filename.replace('.jxl', '.png')}`;
+  const output = `${base}/${filename.replace('.jxl', '.avif')}`;
+
+  await Promise.all([
+    sharp(input)
+      .avif({ quality: 30 })
+      .toFile(output)
+      .then(() => console.log(`Compressed ${filename} to ${output}`)),
+  ]);
+});

workspaces/scripts/index.ts

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+console.log("Hello via Bun!");

workspaces/scripts/package.json

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+{
+  "name": "@wsh-2024/scripts",
+  "private": true,
+  "dependencies": {
+    "sharp": "^0.33.3"
+  },
+  "module": "index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}

workspaces/scripts/tsconfig.json

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+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}