update

APP/nexus-remote/node_modules/peerjs-js-binarypack/lib/bufferbuilder.ts

@@ -0,0 +1,53 @@
+class BufferBuilder {
+	private _pieces: number[];
+	private readonly _parts: ArrayBufferView[];
+
+	constructor() {
+		this._pieces = [];
+		this._parts = [];
+	}
+
+	append_buffer(data: ArrayBufferView) {
+		this.flush();
+		this._parts.push(data);
+	}
+
+	append(data: number) {
+		this._pieces.push(data);
+	}
+
+	flush() {
+		if (this._pieces.length > 0) {
+			const buf = new Uint8Array(this._pieces);
+			this._parts.push(buf);
+			this._pieces = [];
+		}
+	}
+
+	private encoder = new TextEncoder();
+
+	public toArrayBuffer() {
+		const buffer = [];
+		for (const part of this._parts) {
+			buffer.push(part);
+		}
+		return concatArrayBuffers(buffer).buffer;
+	}
+}
+
+export { BufferBuilder };
+
+function concatArrayBuffers(bufs: ArrayBufferView[]) {
+	let size = 0;
+	for (const buf of bufs) {
+		size += buf.byteLength;
+	}
+	const result = new Uint8Array(size);
+	let offset = 0;
+	for (const buf of bufs) {
+		const view = new Uint8Array(buf.buffer, buf.byteOffset, buf.byteLength);
+		result.set(view, offset);
+		offset += buf.byteLength;
+	}
+	return result;
+}