Group by multiple properties using lodash

groupByMultipleProps.js

const items = [
	{ key1: "el200", key2: "id001", value: "bulb tumeric hell of hot chicken" },
	{ key1: "el200", key2: "id001", value: "iceland shaman fashion axe squid vice" },
	{ key1: "el200", key2: "id001", value: "pin venmo letterpress cloud bread" },
	{ key1: "el400", key2: "id002", value: "YOLO flexitarian, swag sriracha" },
	{ key1: "el500", key2: "id002", value: "health goth chillwave" }
];

const grouped = _.groupBy(items, item => `"${item.key1}+${item.key2}"`);
console.log(grouped);