npm install m3u8_to_mpegts

var tsFetcher = require('m3u8_to_mpegts');

tsFetcher({
	    uri: "http://api.new.livestream.com/accounts/15210385/events/4353996/videos/113444715.m3u8",
	    cwd: "destinationDirectory",
	    preferLowQuality: true,
    }, 
   function(){
	   console.log("Download of chunk files complete");
   }
);