import fs from 'fs/promises';
import path from 'path';
import sharp from 'sharp';

const imgDir = path.join(process.cwd(), 'src/assets/image'); // 图片根目录
const imgTypes = ['.png', '.jpg', '.jpeg', '.gif']; // 支持的图片类型

async function convertImagesToWebp(dir) {
    try {
        const files = await fs.readdir(dir);
        for (const file of files) {
            const filePath = path.join(dir, file);
            const extname = path.extname(filePath);
            const itemInfo = await fs.stat(filePath);

            if (itemInfo.isFile() && imgTypes.includes(extname)) {
                const outputFilePath = path.join(dir, `${path.basename(file, extname)}.webp`);
                await sharp(filePath)
                    .webp({ quality: 80 }) // 调整质量
                    .toFile(outputFilePath);

                console.log(`Converted: ${filePath} to ${outputFilePath}`);
            } else if (itemInfo.isDirectory()) {
                await convertImagesToWebp(filePath); // 递归处理子目录
            }
        }
    } catch (error) {
        console.error('Error:', error);
    }
}

convertImagesToWebp(imgDir);