43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
/**
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* Post-build: minify JS and CSS under build/assets (files copied from static/).
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* Includes static/assets/js/*.js (e.g. ga-init.js, bootstrap.js) and assets/*.css.
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* Usage: node scripts/minify-static-assets.mjs [buildDir]
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*/
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import { existsSync, readdirSync, readFileSync, writeFileSync } from 'node:fs';
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import { join } from 'node:path';
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import { cwd } from 'node:process';
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import * as esbuild from 'esbuild';
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const buildDir = join(cwd(), process.argv[2] || 'build');
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const assetsDir = join(buildDir, 'assets');
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function* walk(dir, base = '') {
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for (const name of readdirSync(dir, { withFileTypes: true })) {
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const rel = join(base, name.name);
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if (name.isDirectory()) yield* walk(join(dir, name.name), rel);
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else yield rel;
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}
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}
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async function minifyAll() {
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if (!existsSync(assetsDir)) return;
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for (const rel of walk(assetsDir, '')) {
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const path = join(assetsDir, rel);
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const ext = rel.slice(rel.lastIndexOf('.'));
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if (ext === '.js') {
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const code = readFileSync(path, 'utf-8');
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const out = await esbuild.transform(code, { minify: true, loader: 'js' });
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writeFileSync(path, out.code);
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} else if (ext === '.css') {
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const code = readFileSync(path, 'utf-8');
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const out = await esbuild.transform(code, { minify: true, loader: 'css' });
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writeFileSync(path, out.code);
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}
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}
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}
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minifyAll().catch((e) => {
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console.error(e);
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process.exit(1);
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});
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