Function formatFile

tools/format-json.js:13–21

(file, index)

];

function formatFile(file, index) {
    fs.readFile(file, "utf8", (err, content) => {
        if (err) throw err;
        fs.writeFile(file, JSON.stringify( JSON.parse(content), null, 4), (err) => {
            if (err) throw err;
            console.log(`formatting file ${file} done`);
        });
    });
}

fileList.forEach(formatFile);