function windowed(arr, size, step = 1, { partialWindows = false } = {}) { if (size <= 0 || !Number.isInteger(size)) { throw new Error('Size must be a positive integer.'); } if (step <= 0 || !Number.isInteger(step)) { throw new Error('Step must be a positive integer.'); } const result = []; const end = partialWindows ? arr.length : arr.length - size + 1; for (let i = 0; i < end; i += step) { result.push(arr.slice(i, i + size)); } return result; } export { windowed };