Andres Resiri
59 lines
1.8 KiB
JavaScript
59 lines
1.8 KiB
JavaScript
import { build } from 'esbuild';
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import { readFileSync, writeFileSync, copyFileSync, existsSync } from 'fs';
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import { join } from 'path';
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const SOURCE = join(process.cwd(), 'public', 't.js');
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const BACKUP = join(process.cwd(), 'public', 't.source.js');
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async function main() {
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if (!existsSync(SOURCE)) {
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console.error(`[build-site-tag] Source not found at ${SOURCE}`);
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process.exit(1);
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}
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const content = readFileSync(SOURCE, 'utf8');
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const lineCount = content.split('\n').length;
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// Skip if already minified
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if (lineCount < 20 && content.includes('Minified production build')) {
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console.log('[build-site-tag] Already minified, skipping');
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return;
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}
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const originalSize = Buffer.byteLength(content);
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console.log(`[build-site-tag] Source: ${(originalSize / 1024).toFixed(1)} KB`);
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// Keep an unminified backup for debugging
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copyFileSync(SOURCE, BACKUP);
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const result = await build({
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entryPoints: [SOURCE],
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minify: true,
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write: false,
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bundle: false, // t.js is a self-contained IIFE — no imports to resolve
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format: 'iife',
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target: ['es2017'], // Wide browser support
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legalComments: 'none',
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sourcemap: false,
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});
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if (!result.outputFiles?.[0]) {
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throw new Error('[build-site-tag] esbuild returned no output');
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}
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const minified = result.outputFiles[0].contents;
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const header = `/* meSEO Site Tag • Minified production build */\n`;
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const finalOutput = Buffer.concat([Buffer.from(header), minified]);
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writeFileSync(SOURCE, finalOutput);
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const newSize = finalOutput.length;
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const reduction = ((1 - newSize / originalSize) * 100).toFixed(1);
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console.log(`[build-site-tag] Minified: ${(newSize / 1024).toFixed(1)} KB (${reduction}% reduction)`);
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}
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main().catch((err) => {
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console.error('[build-site-tag] Build failed:', err);
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process.exit(1);
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});
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