74 lines
1.6 KiB
JavaScript
74 lines
1.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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function _nullthrows() {
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const data = _interopRequireDefault(require("nullthrows"));
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_nullthrows = function () {
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return data;
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};
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return data;
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}
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var _childState = require("../childState");
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var _child = require("../child");
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function _core() {
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const data = require("@parcel/core");
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_core = function () {
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return data;
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};
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return data;
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}
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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class ProcessChild {
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constructor(onMessage, onExit) {
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if (!process.send) {
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throw new Error('Only create ProcessChild instances in a worker!');
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}
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this.onMessage = onMessage;
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this.onExit = onExit;
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process.on('message', data => this.handleMessage(data));
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}
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handleMessage(data) {
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if (data === 'die') {
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return this.stop();
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}
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this.onMessage((0, _core().deserialize)(Buffer.from(data, 'base64')));
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}
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send(data) {
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let processSend = (0, _nullthrows().default)(process.send).bind(process);
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processSend((0, _core().serialize)(data).toString('base64'), err => {
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if (err && err instanceof Error) {
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if (err.code === 'ERR_IPC_CHANNEL_CLOSED') {
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// IPC connection closed
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// no need to keep the worker running if it can't send or receive data
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return this.stop();
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}
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}
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});
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}
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stop() {
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this.onExit(0);
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process.exit();
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}
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}
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exports.default = ProcessChild;
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(0, _childState.setChild)(new _child.Child(ProcessChild)); |
