| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| exports.ReceiveBuffer = void 0; |
| class ReceiveBuffer { |
| constructor(size = 4096) { |
| this.buffer = Buffer.allocUnsafe(size); |
| this.offset = 0; |
| this.originalSize = size; |
| } |
| get length() { |
| return this.offset; |
| } |
| append(data) { |
| if (!Buffer.isBuffer(data)) { |
| throw new Error('Attempted to append a non-buffer instance to ReceiveBuffer.'); |
| } |
| if (this.offset + data.length >= this.buffer.length) { |
| const tmp = this.buffer; |
| this.buffer = Buffer.allocUnsafe(Math.max(this.buffer.length + this.originalSize, this.buffer.length + data.length)); |
| tmp.copy(this.buffer); |
| } |
| data.copy(this.buffer, this.offset); |
| return (this.offset += data.length); |
| } |
| peek(length) { |
| if (length > this.offset) { |
| throw new Error('Attempted to read beyond the bounds of the managed internal data.'); |
| } |
| return this.buffer.slice(0, length); |
| } |
| get(length) { |
| if (length > this.offset) { |
| throw new Error('Attempted to read beyond the bounds of the managed internal data.'); |
| } |
| const value = Buffer.allocUnsafe(length); |
| this.buffer.slice(0, length).copy(value); |
| this.buffer.copyWithin(0, length, length + this.offset - length); |
| this.offset -= length; |
| return value; |
| } |
| } |
| exports.ReceiveBuffer = ReceiveBuffer; |
| //# sourceMappingURL=receivebuffer.js.map |