compress-picture-js/dist/service/compress/compress_jpg.service.js

图片压缩工具

import { responseUtil } from '../../util/response/response.util.js';
import { CreateDirSyncFromFilename } from '../../util/file/file.util.js';
import { ExecCommandSync } from '../../util/cmd/cmd.util.js';
import { ICode } from '../../util/response/respone_enum.util.js';
import mozjpeg from 'mozjpeg';
// CompressJPG 压缩JPG
export function CompressJPG(options) {
    let resp = responseUtil.DefaultIResponse();
    // console.log("🚀", options);
    // 检查输出文件夹
    CreateDirSyncFromFilename(options['output']);
    let commandArs = [
        '-quality',
        jpgCompressQuality(options['quality']),
        '-outfile',
        options['output'],
        options['input'],
    ];
    try {
        ExecCommandSync(mozjpeg, commandArs);
    }
    catch (e) {
        resp.code = ICode.FAILED;
        resp.reason = ICode[ICode.FAILED];
        let err = e;
        if (err.message !== '') {
            resp.message = err.message;
            resp.metadata = err;
        }
        else {
            resp.message = '压缩JPG/JPEG失败：' + JSON.stringify(options);
        }
    }
    return resp;
}
// jpgCompressQuality jpg压缩质量
function jpgCompressQuality(quality) {
    if (quality < 0 || quality > 100) {
        return '100';
    }
    return quality.toString();
}