Recursive path array

recursive-path-array.js

const locations = {
    usa: {
        alaska: ["Fairbanks", "Wasilla"],
        california: ["San Fransisco", "Los Angeles"],
        nevada: ["Las Vegas"],
        massachusetts: ["Charlton"],
        washington: ["Seattle"],
    }
}


// helper function to make finding type cleaner
function is(item, type) {
	const objectType = Object.prototype.toString.call(item)
	return objectType.toLowerCase() === `[object ${type.toLowerCase()}]`
}

function getPaths(iterable, result=[], tempPath=[]) {

	if (!is(iterable, 'object') && !is(iterable, 'array')) {
		result.push(tempPath.join('/').toUpperCase())
	}

	if (is(iterable, 'object')) {
		Object.keys(iterable).map(item => {
			const curPath = [...tempPath]
			curPath.push(item)
			getPaths(iterable[item], result, curPath)
		})
	}

	if (is(iterable, 'array')) {
		iterable.map(item => {
			const curPath = [...tempPath]
			curPath.push(item)
			getPaths(iterable[item], result, curPath)
		})
	}

	return result

}