Basic CSV Parser

csvParser.js

// Parses a CSV string into a Row-first array.
function parseCsv(csvString) {
	const rows = [[]];
	var curRow = rows[0];
	var code;
	for (var loc = 0; loc < csvString.length; loc++) {
		code = csvString.charCodeAt(loc);
		if (code === 10 && loc !== csvString.length - 1) {
			// Add a Row
			curRow = [];
			rows.push(curRow);
			continue;
		} else if (code === 44) {
			// End an Element
			curRow.push([]);
			continue;
		}
		// Add a Character to an Element
		curRow[curRow.length - 1] += csvString[loc];
	}
	return rows;
}