68 lines
2.1 KiB
JavaScript
68 lines
2.1 KiB
JavaScript
"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 portTransport_exports = {};
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__export(portTransport_exports, {
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PortTransport: () => PortTransport
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});
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module.exports = __toCommonJS(portTransport_exports);
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class PortTransport {
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constructor(port, handler) {
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this._lastId = 0;
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this._callbacks = /* @__PURE__ */ new Map();
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this._port = port;
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port.addEventListener("message", async (event) => {
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const message = event.data;
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const { id, ackId, method, params, result } = message;
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if (ackId) {
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const callback = this._callbacks.get(ackId);
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this._callbacks.delete(ackId);
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this._resetRef();
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callback?.(result);
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return;
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}
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const handlerResult = await handler(method, params);
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if (id)
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this._port.postMessage({ ackId: id, result: handlerResult });
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});
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this._resetRef();
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}
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post(method, params) {
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this._port.postMessage({ method, params });
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}
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async send(method, params) {
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return await new Promise((f) => {
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const id = ++this._lastId;
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this._callbacks.set(id, f);
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this._resetRef();
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this._port.postMessage({ id, method, params });
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});
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}
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_resetRef() {
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if (this._callbacks.size) {
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this._port.ref();
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} else {
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this._port.unref();
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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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PortTransport
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});
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