Quick CSV Parser that converts CSV files into an array of JS Objects.

ParseCSV.mjs

"use strict";

/**
 * Parses the source CSV into an array of objects.
 * @param	{string}	source					The source CSV to parse.
 * @param	{Boolean}	[parse_numbers=true]	Whether number-like values should be parsed with parseFloat()
 * @returns	{[object]}	An array of objects. The keys are taken from the csv header.
 */

export default function ParseCSV(source, parse_numbers = true) {
	// TODO: Add support for commas in quotes here
	let parsed_lines = source.trim().split(/\r?\n/).map((line) => line.split(","));
	
	// Snaffle the first element
	let header = parsed_lines.shift();
	
	let result = [];
	for (let parsed_line of parsed_lines) {
		let item = {};
		for(let i = 0; i < parsed_line.length; i++) {
			// If it looks like a number, then parse it as one
			item[header[i]] = parse_numbers && parsed_line[i].match(/^[0-9.-]+$/) != null ? parseFloat(parsed_line[i]) : parsed_line[i];
		}
		result.push(item);
	}
	return result;
}