Paul Fitzgerald Pau1fitz

## History|-976e3aa|entries.json
{"version":1,"resource":"file:///Users/paulfitzgerald/Desktop/app-eng/code/data/ui/src/swift/MatchesPage.tsx","entries":[{"id":"aBx8.tsx","timestamp":1657879035527},{"id":"te8x.tsx","timestamp":1657879052777}]}

## flatten.js
const flatten = (arr)  => arr.reduce(function (flat, toFlatten) {
  return flat.concat(Array.isArray(toFlatten) ? flatten(toFlatten) : toFlatten);
}, []);

const multiDimensionalArray = [[1,2,[3]],4];
const flattenedArray = flatten(multiDimensionalArray);

it('flattens an array of arbitrarily nested arrays of integers into a flat array of integers', () => {
  assert.equal(flatten([[1,2,[3]],4]), [1, 2, 3, 4])
})
	const flatten = (arr) => arr.reduce(function (flat, toFlatten) {
	return flat.concat(Array.isArray(toFlatten) ? flatten(toFlatten) : toFlatten);
	}, []);

	const multiDimensionalArray = [[1,2,[3]],4];
	const flattenedArray = flatten(multiDimensionalArray);

	it('flattens an array of arbitrarily nested arrays of integers into a flat array of integers', () => {
	assert.equal(flatten([[1,2,[3]],4]), [1, 2, 3, 4])
	})