joshwcomeau/snail-4-cc-flip-matrix.js

## snail-4-cc-flip-matrix.js
const rotateMatrix = matrix => (
  matrix[0].map((column, index) => (
    [...matrix].reverse().map(row => row[index])
  ))
);

const flipMatrixCounterClockwise = matrix => (
  rotateMatrix(matrix).reverse()
);
	const rotateMatrix = matrix => (
	matrix[0].map((column, index) => (
	[...matrix].reverse().map(row => row[index])
	))
	);

	const flipMatrixCounterClockwise = matrix => (
	rotateMatrix(matrix).reverse()
	);