@mightyplow/jslib/array/split.js

js helpers library

export default function split(ar, chunkSize) {
    return function innerSplit() {
        var rest = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
        var result = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];

        if (!rest.length) {
            return result;
        }
        return innerSplit(rest.slice(chunkSize), result.concat([rest.slice(0, chunkSize)]));
    }(ar);
}