1. const fs = require('fs')
    2. module.exports.parser = path => {
    3.     const readStream = fs.createReadStream(path)
    4.     let reqData = [];
    5.     let buffer
    7.     return new Promise(resolve => {
    8.         readStream.on("data", function (data) {
    9.             reqData.push(data);
    10.         });
    12.         readStream.on("end", function () {
    13.             buffer = Buffer.concat(reqData)
    14.             resolve(JSON.parse(buffer.toString()))
    15.         })
    16.     })
    17. }