Function generateMultipleFormats

scripts/optimize-images.js:107–136

(inputPath, filename)

// 生成多种格式 (with parallel processing)
async function generateMultipleFormats(inputPath, filename) {
  const baseName = path.parse(filename).name;
  
  // Check file size threshold
  const fileStats = await stat(inputPath);
  if (fileStats.size < config.minFileSize) {
    BuildLogger.log(`⏭️  跳过小文件: ${filename} (${fileStats.size} bytes)`);
    return [];
  }
  
  // Generate formats in parallel
  const formatPromises = [];
  
  // Generate JPEG version
  const jpegPath = path.join(config.outputDir, `${baseName}.jpg`);
  formatPromises.push(optimizeImage(inputPath, jpegPath, 'jpeg'));
  
  // Generate WebP version
  const webpPath = path.join(config.outputDir, `${baseName}.webp`);
  formatPromises.push(optimizeImage(inputPath, webpPath, 'webp'));
  
  // Generate PNG version (if original is PNG)
  if (path.extname(filename).toLowerCase() === '.png') {
    const pngPath = path.join(config.outputDir, `${baseName}.png`);
    formatPromises.push(optimizeImage(inputPath, pngPath, 'png'));
  }
  
  const results = await Promise.all(formatPromises);
  return results;
}

// 生成缩略图 (with better error recovery)
async function generateThumbnails(inputPath, filename) {