Method append

jsonrpc/src/messageReader.ts:31–51

(chunk: Buffer | String)

	}

	public append(chunk: Buffer | String): void {
		var toAppend: Buffer = <Buffer>chunk;
		if (typeof (chunk) == 'string') {
			var str = <string>chunk;
			var bufferLen = Buffer.byteLength(str, this.encoding);
			toAppend = new Buffer(bufferLen);
			toAppend.write(str, 0, bufferLen, this.encoding);
		}
		if (this.buffer.length - this.index >= toAppend.length) {
			toAppend.copy(this.buffer, this.index, 0, toAppend.length);
		} else {
			var newSize = (Math.ceil((this.index + toAppend.length) / DefaultSize) + 1) * DefaultSize;
			if (this.index === 0) {
				this.buffer = new Buffer(newSize);
				toAppend.copy(this.buffer, 0, 0, toAppend.length);
			} else {
				this.buffer = Buffer.concat([this.buffer.slice(0, this.index), toAppend], newSize);
			}
		}
		this.index += toAppend.length;
	}

	public tryReadHeaders(): { [key: string]: string; } | undefined {
		let result: { [key: string]: string; } | undefined = undefined;