Method readUpTo

lib/serialization/BinaryMiddleware.js:260–272

* Reads up to n bytes. * @param {number} n amount of bytes to read * @returns {Buffer} buffer with bytes

(n)

	 * @returns {Buffer} buffer with bytes
	 */
	readUpTo(n) {
		this.ensureBuffer();
		const rem =
			/** @type {Buffer} */ (this.currentBuffer).length - this.currentPosition;
		if (rem < n) {
			n = rem;
		}
		const b = /** @type {Buffer} */ (this.currentBuffer);
		const res = Buffer.from(b.buffer, b.byteOffset + this.currentPosition, n);
		this.currentPosition += n;
		this.checkOverflow();
		return res;
	}

	/**
	 * Returns u8.