rochars / twos-complement-buffer

  class TwosComplementBuffer {

    /**

     * @param {number} bits The number of bits used by the integer.

     */

    constructor(bits: number);

    /**

     * The number of bytes used by the number.

     * @type {number}

     */

    bits: number;

    /**

     * The number of bytes used by the number.

     * @type {number}

     */

    bytes: number;

    /**

     * Write one two's complement signed integer to a byte buffer.

     * @param {!Uint8Array|!Array<number>} buffer An array of bytes.

     * @param {number} num The number.

     * @param {number=} index The index being written in the byte buffer.

     * @return {number} The next index to write on the byte buffer.

     * @throws {TypeError} If num is NaN.

     * @throws {RangeError} On overflow.

     */

    pack(buffer: Uint8Array|number[], num: number, index?: number): number;

    /**

     * Read one two's complement signed integer from a byte buffer.

     * @param {!Uint8Array|!Array<number>} buffer An array of bytes.

     * @param {number=} index The index to read.

     * @return {number}

     * @throws {RangeError} On overflow.

     */

    unpack(buffer: Uint8Array|number[], index?: number): number;