derp derp derp generateCsv.js

generateCsv.js

let data = [
	{
		a: 1,
		b: 2,
		c: 3,
		d: 10
	},
	{
		a: 2,
		b: 3,
		c: 10,
		e: 11
	},
	{
		a: 1,
		c: 10,
		f: 11
	}
];

function generateCsv ({fields, data}) {
	let rows = data.map((row)=> {
		return fields.map((field)=> {
			return row[field];
		}).join(',');
	});

	let header = fields.join(',');
	rows.unshift(header);

	return rows.join('\n');
}

let csv = generateCsv({
	data,
	fields: ['a', 'b', 'c']
});
console.log(csv);