First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>

client/node_modules/langium/lib/node/worker-thread-async-parser.js

@@ -0,0 +1,26 @@
+/******************************************************************************
+ * Copyright 2023 TypeFox GmbH
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License, which is available in the project root.
+ ******************************************************************************/
+import { ParserWorker } from '../parser/async-parser.js';
+import { AbstractThreadedAsyncParser } from '../parser/async-parser.js';
+import { Worker } from 'node:worker_threads';
+export class WorkerThreadAsyncParser extends AbstractThreadedAsyncParser {
+    constructor(services, workerPath) {
+        super(services);
+        this.workerPath = workerPath;
+    }
+    createWorker() {
+        const path = typeof this.workerPath === 'function' ? this.workerPath() : this.workerPath;
+        const worker = new Worker(path);
+        const parserWorker = new WorkerThreadParserWorker(worker);
+        return parserWorker;
+    }
+}
+export class WorkerThreadParserWorker extends ParserWorker {
+    constructor(worker) {
+        super((message) => worker.postMessage(message), cb => worker.on('message', cb), cb => worker.on('error', cb), () => worker.terminate());
+    }
+}
+//# sourceMappingURL=worker-thread-async-parser.js.map