Get one line for each entry in a mediainfo output

outputMusicList.js

// Output 1 line mediainfo for files
// TYPICAL USAGE:
// mediainfo sourceDir --Output=JSON > source.json
// node outputMusicList.js source.json
const fs = require("fs");

var args = process.argv;

if (args.length < 3) {
    console.error("Usage: node outputMusicList.js fileWithSource.json");
    process.exit();
}


// mediainfo . --Output=JSON >allMediaFiles.json
const getMeta = (file => {
    const meta = file.media.track.find((track) => track["@type"] === "General");
    const filename = file.media["@ref"];
    meta.filename = filename;
    return meta;
});

const indexFiles = (filename) => {
    const mediacontents = JSON.parse(fs.readFileSync(filename, "utf8"));
    console.log('FILENAME\tARTIST\tALBUM\tTITLE\tTRACK\tGENRE\tBIT_RATE\tDURATION\tENCODED_APP\tENCODED_DATE\n');
    mediacontents.forEach((file) => {
        try {
            const item = getMeta(file);
            console.log(`${item.filename}\t${item.Performer}\t${item.Album}\t${item.Title}\t${item.Track}\t${item.Genre}\t${item.OverallBitRate}\t${item.Duration}\t${item.Format}\t${item.Encoded_application}\t${item.Encoded_Date}`);
        } catch (e) {
            console.error(e, file);
        }
    });
};

indexFiles(args[2]);