Unused public assets

import { existsSync, readFileSync, readdirSync, unlinkSync } from 'node:fs';import { extname, join, relative, sep } from 'node:path';import { createInterface } from 'node:readline/promises';import { stdin as input, stdout as output } from 'node:process';// Configurationconst PUBLIC_DIR = join(process.cwd(), 'public');const IGNORE_DIRS = ['node_modules', '.git', 'dist', 'build'];const FILE_EXTENSIONS = ['.html', '.css', '.js', '.jsx', '.ts', '.tsx', '.vue', '.svelte', '.php', '.md'];// Get all files recursively in a directoryfunction getFilesRecursively(dir, ignoreDirs = []) {  if (!existsSync(dir))    return [];  const files = readdirSync(dir, { withFileTypes: true });  let results = [];  for (const file of files) {    const fullPath = join(dir, file.name);    if (file.isDirectory()) {      if (!ignoreDirs.includes(file.name)) {        results = results.concat(getFilesRecursively(fullPath, ignoreDirs));      }    }    else {      results.push(fullPath);    }  }  return results;}// Main functionasync function findUnusedAssets() {  console.log('Scanning public directory...');  const publicFiles = getFilesRecursively(PUBLIC_DIR);  if (publicFiles.length === 0) {    console.log('No files found in public directory.');    return;  }  console.log('Scanning project files...');  const projectFiles = getFilesRecursively(process.cwd(), IGNORE_DIRS)    .filter(file => FILE_EXTENSIONS.includes(extname(file).toLowerCase()));  const unusedFiles = [];  const checkedPatterns = new Set();  console.log('Checking for unused assets...');  for (const publicFile of publicFiles) {    const relativePath = relative(PUBLIC_DIR, publicFile);    const searchPattern = `/${relativePath.split(sep).join('/')}`;    if (checkedPatterns.has(searchPattern))      continue;    checkedPatterns.add(searchPattern);    let isUsed = false;    for (const projectFile of projectFiles) {      try {        const content = readFileSync(projectFile, 'utf8');        if (content.includes(searchPattern)) {          isUsed = true;          break;        }      }      catch (err) {        console.error(`Skipping ${projectFile}: ${err.message}`);      }    }    if (!isUsed) {      unusedFiles.push(publicFile);    }  }  if (unusedFiles.length === 0) {    console.log('No unused assets found.');    return;  }  console.log('\nFound unused files:');  unusedFiles.forEach(file => console.log(`- ${file}`));  const rl = createInterface({ input, output });  const confirm = await rl.question('\nDo you want to delete these files? (y/n) ');  rl.close();  if (confirm.toLowerCase() === 'y') {    console.log('\nDeleting files...');    unusedFiles.forEach((file) => {      try {        unlinkSync(file);        console.log(`Deleted: ${file}`);      }      catch (err) {        console.error(`Error deleting ${file}: ${err.message}`);      }    });    console.log('Deletion complete.');  }  else {    console.log('Deletion cancelled.');  }}// Run the scriptfindUnusedAssets().catch(console.error);