Method read

lib/serialization/BinaryMiddleware.js:230–253

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

(n)

	 * @returns {Buffer} buffer with bytes
	 */
	read(n) {
		this.ensureBuffer();
		const rem =
			/** @type {Buffer} */ (this.currentBuffer).length - this.currentPosition;
		if (rem < n) {
			const buffers = [this.read(rem)];
			n -= rem;
			this.ensureBuffer();
			while (/** @type {Buffer} */ (this.currentBuffer).length < n) {
				const b = /** @type {Buffer} */ (this.currentBuffer);
				buffers.push(b);
				n -= b.length;
				this.nextDataItem();
				this.ensureBuffer();
			}
			buffers.push(this.read(n));
			return Buffer.concat(buffers);
		}
		const b = /** @type {Buffer} */ (this.currentBuffer);
		const res = Buffer.from(b.buffer, b.byteOffset + this.currentPosition, n);
		this.currentPosition += n;
		this.checkOverflow();
		return res;
	}

	/**
	 * Reads up to n bytes.