85 lines
2.8 KiB
Plaintext
85 lines
2.8 KiB
Plaintext
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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var pipeTransport_exports = {};
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__export(pipeTransport_exports, {
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PipeTransport: () => PipeTransport
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});
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module.exports = __toCommonJS(pipeTransport_exports);
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var import_task = require("./task");
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class PipeTransport {
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constructor(pipeWrite, pipeRead, closeable, endian = "le") {
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this._data = Buffer.from([]);
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this._waitForNextTask = (0, import_task.makeWaitForNextTask)();
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this._closed = false;
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this._bytesLeft = 0;
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this._pipeWrite = pipeWrite;
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this._endian = endian;
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this._closeableStream = closeable;
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pipeRead.on("data", (buffer) => this._dispatch(buffer));
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pipeRead.on("close", () => {
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this._closed = true;
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if (this.onclose)
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this.onclose();
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});
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this.onmessage = void 0;
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this.onclose = void 0;
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}
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send(message) {
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if (this._closed)
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throw new Error("Pipe has been closed");
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const data = Buffer.from(message, "utf-8");
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const dataLength = Buffer.alloc(4);
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if (this._endian === "be")
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dataLength.writeUInt32BE(data.length, 0);
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else
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dataLength.writeUInt32LE(data.length, 0);
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this._pipeWrite.write(dataLength);
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this._pipeWrite.write(data);
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}
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close() {
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this._closeableStream.close();
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}
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_dispatch(buffer) {
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this._data = Buffer.concat([this._data, buffer]);
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while (true) {
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if (!this._bytesLeft && this._data.length < 4) {
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break;
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}
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if (!this._bytesLeft) {
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this._bytesLeft = this._endian === "be" ? this._data.readUInt32BE(0) : this._data.readUInt32LE(0);
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this._data = this._data.slice(4);
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}
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if (!this._bytesLeft || this._data.length < this._bytesLeft) {
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break;
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}
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const message = this._data.slice(0, this._bytesLeft);
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this._data = this._data.slice(this._bytesLeft);
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this._bytesLeft = 0;
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this._waitForNextTask(() => {
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if (this.onmessage)
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this.onmessage(message.toString("utf-8"));
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});
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}
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}
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}
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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PipeTransport
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});
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