process-html.mjs

import fs from 'node:fs/promises';
import { globby } from 'globby';
import { minify } from 'html-minifier-terser';

// Get all HTML files from the output directory
const path = './.vercel/output/static';
const files = await globby(`${path}/**/*.html`);

await Promise.all(
  files.map(async file => {
    console.log('Processing file:', file);
    let html = await fs.readFile(file, 'utf-8');

    // Minify the HTML
    html = await minify(html, {
      removeComments: true,
      preserveLineBreaks: true,
      collapseWhitespace: true,
      minifyJS: true,
    });
    await fs.writeFile(file, html);
  })
);