WebP Batch Converter

import { Command } from 'commander'; import { cpus } from 'os'; import chalk from 'chalk'; import { WebPConverter } from './lib/convert.js'; const program = new Command(); program .name('webp-batch') .description('Batch convert images to WebP format') .version('1.0.0') .option('--src <dir>', 'Source directory to scan for images', '.') .option('--quality <number>', 'WebP quality (0-100)', '75') .option('--lossless', 'Use lossless encoding (good for PNG)', false) .option('--overwrite', 'Replace original files', false) .option('--threads <number>', 'Number of concurrent conversions', cpus().length.toString()) .option('--preserve-meta', 'Preserve EXIF and ICC metadata', false) .option('--flat <dir>', 'Output all WebP files to specified directory') .action(async (options) => { try { console.log(chalk.blue.bold('🎨 WebP Batch Converter')); console.log(chalk.gray('==========================================')); const quality = parseInt(options.quality); const threads = parseInt(options.threads); if (isNaN(quality) || quality < 0 || quality > 100) { console.error(chalk.red('❌ Quality must be between 0-100')); process.exit(1); } if (isNaN(threads) || threads < 1) { console.error(chalk.red('❌ Threads must be a positive number')); process.exit(1); } const converter = new WebPConverter(); const result = await converter.batchConvert({ src: options.src, quality, lossless: options.lossless, overwrite: options.overwrite, threads, preserveMeta: options.preserveMeta, flat: options.flat }); console.log(chalk.gray('==========================================')); console.log(chalk.green.bold('📊 Conversion Report')); console.log(chalk.green(`✅ Converted: ${result.converted.length} files`)); console.log(chalk.yellow(`⏭️ Skipped: ${result.skipped.length} files`)); console.log(chalk.red(`❌ Errors: ${result.errors.length} files`)); console.log(chalk.blue(`💾 Original size: ${Math.round(result.originalKB)} KB`)); console.log(chalk.blue(`🗜️ WebP size: ${Math.round(result.webpKB)} KB`)); console.log(chalk.green(`💰 Space saved: ${result.savings}%`)); // Output JSON report const jsonReport = JSON.stringify(result, null, 2); console.log(chalk.gray('\n📋 JSON Report:')); console.log(jsonReport); process.exit(result.errors.length > 0 ? 1 : 0); } catch (error) { console.error(chalk.red(`❌ Fatal error: ${error instanceof Error ? error.message : error}`)); process.exit(1); } }); program.parse();