csvToJson.js

let fs = require('fs');
const readFile = fileInputName => fs.readFileSync(fileInputName).toString();

const safeSplit = str => (
    str .   
      replace(/\\"/g, "__QUOTE__") .
      split(/(".*?"|,)/) .  
      filter(function(piece) { return piece && piece !== ','; }) .
      map(function(piece) { return piece.replace(/^"|"$/g, '') }) .
      map(function(piece) { return piece.replace(/__QUOTE__/g, "\\\""); })
)

const csvToJson = csv => {

    let lines = csv.split("\n");
    let result = [];
    
    const headers = safeSplit(lines.shift());

    lines.forEach( el => {
        
        const line = safeSplit(el);

        let obj = {};
        headers.forEach( (prop, i) => obj[prop] = line[i]);

        result = [
            ...result,
            obj
        ]
    });

    return result; 
}