Rustelo/scripts/build/build-inline-scripts.js

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JavaScript
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2026-02-08 20:18:46 +00:00
#!/usr/bin/env node
/**
* Build and minify inline scripts extracted from SSR app.rs
*
* Usage:
* node scripts/build-inline-scripts.js
*
* This minifies:
* - public/js/theme-init.js -> public/js/theme-init.min.js
* - public/js/highlight-utils.js -> public/js/highlight-utils.min.js
* - public/js/leptos-hydration.js -> public/js/leptos-hydration.min.js
*/
const fs = require('fs');
const path = require('path');
// Simple JavaScript minifier (removes comments, whitespace, unnecessary chars)
function minifyJs(code) {
return code
// Remove single line comments
.replace(/\/\/.*$/gm, '')
// Remove multi-line comments
.replace(/\/\*[\s\S]*?\*\//g, '')
// Remove excessive whitespace
.replace(/\s+/g, ' ')
// Remove whitespace around operators and punctuation
.replace(/\s*([{}();,=+\-*/<>!&|])\s*/g, '$1')
// Remove leading/trailing whitespace
.trim();
}
async function buildInlineScripts() {
try {
const sourceDir = path.join(__dirname, '../assets/scripts');
const publicJsDir = path.join(__dirname, '../public/js');
const scripts = [
{
source: 'theme-init.js',
target: 'theme-init.min.js',
description: 'Theme initialization script'
},
{
source: 'highlight-utils.js',
target: 'highlight-utils.min.js',
description: 'Highlight.js utilities'
}
];
console.log('🔨 Building inline scripts...');
for (const script of scripts) {
const sourcePath = path.join(sourceDir, script.source);
const targetPath = path.join(publicJsDir, script.target);
if (!fs.existsSync(sourcePath)) {
console.log(`⚠️ Warning: ${script.source} not found, skipping...`);
continue;
}
// Read source
const sourceCode = fs.readFileSync(sourcePath, 'utf8');
// Minify
const minified = minifyJs(sourceCode);
// Write minified version
fs.writeFileSync(targetPath, minified);
// Get file sizes
const originalSize = sourceCode.length;
const minifiedSize = minified.length;
const savings = Math.round(((originalSize - minifiedSize) / originalSize) * 100);
console.log(`${script.description}:`);
console.log(` 📁 ${script.source} -> ${script.target}`);
console.log(` 📊 ${originalSize} bytes -> ${minifiedSize} bytes (${savings}% reduction)`);
}
console.log('');
console.log('🚀 Inline scripts built successfully!');
console.log('💡 Scripts are now ready to be loaded as external files');
} catch (error) {
console.error('❌ Error building inline scripts:', error.message);
process.exit(1);
}
}
buildInlineScripts();