/** * Options for the windowed function. * * @interface WindowedOptions * @property {boolean} [partialWindows=false] - Whether to include partial windows at the end of the array. */ interface WindowedOptions { /** * Whether to include partial windows at the end of the array. * * By default, `windowed` only includes full windows in the result, * ignoring any leftover elements that can't form a full window. * * If `partialWindows` is true, the function will also include these smaller, partial windows at the end of the result. */ partialWindows?: boolean; } /** * Creates an array of sub-arrays (windows) from the input array, each of the specified size. * The windows can overlap depending on the step size provided. * * By default, only full windows are included in the result, and any leftover elements that can't form a full window are ignored. * * If the `partialWindows` option is set to true in the options object, the function will also include partial windows at the end of the result. * Partial windows are smaller sub-arrays created when there aren't enough elements left in the input array to form a full window. * * @template T * @param {readonly T[]} arr - The input array to create windows from. * @param {number} size - The size of each window. Must be a positive integer. * @param {number} [step=1] - The step size between the start of each window. Must be a positive integer. * @param {WindowedOptions} [options={}] - Options object to configure the behavior of the function. * @param {boolean} [options.partialWindows=false] - Whether to include partial windows at the end of the array. * @returns {T[][]} An array of windows (sub-arrays) created from the input array. * @throws {Error} If the size or step is not a positive integer. * * @example * windowed([1, 2, 3, 4], 2); * // => [[1, 2], [2, 3], [3, 4]] * * @example * windowed([1, 2, 3, 4, 5, 6], 3, 2); * // => [[1, 2, 3], [3, 4, 5]] * * @example * windowed([1, 2, 3, 4, 5, 6], 3, 2, { partialWindows: true }); * // => [[1, 2, 3], [3, 4, 5], [5, 6]] */ declare function windowed(arr: readonly T[], size: number, step?: number, { partialWindows }?: WindowedOptions): T[][]; export { type WindowedOptions, windowed };