let url = 'https://abc.com/video28912030123/index.m3u8'; //required
let outputDir = '/Users/xxxx/Downloads/tmp'; //required

// let outputFileName = 'output.ts'; //optional
// let threadCount = 5; //optional

// let videoUrlDirPath = 'https://abc.com/video28912030123/'; //optional
// let headerReferrer = 'https://abc.com'; //optional
// let videoSuffix = '.ts'; //optional

// let retryOnError = true; //optional

// let proxy = '127.0.0.1:1080'; //optional

let downloader = require('m3u8-downloader-concurrency')

let options = {
    url,
    outputDir, //optional
    proxy, //optional
    // outputFileName, //optional
    threadCount, //optional
    videoSuffix, //optional
    videoUrlDirPath, //optional
    headerReferrer, //optional
    retryOnError, //optional
    debug //optional
};

let listener = downloader.download(options)

listener.on('start', function (options) {
    console.log("started downloading", options);
});

listener.on('progress', function (percent) {
    console.log('progress', percent);
});


listener.on('downloaded', function (list) {
    console.log('downloaded', list);
});


listener.on('complete', function (outFile) {
  console.log("done", outFile);
});

listener.on('error', function (error) {
    console.error('error', error);
});