worker: export workerData to ESM workers

Fixes: #25765 PR-URL: #25768 Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]> Reviewed-By: Jeremiah Senkpiel <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Jan 30, 2019 · 8919169 · 8919169
1 parent 86a49ce
commit 8919169
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Showing 3 changed files with 21 additions and 1 deletion.
diff --git a/lib/worker_threads.js b/lib/worker_threads.js
@@ -17,5 +17,6 @@ module.exports = {
   MessageChannel,
   threadId,
   Worker,
-  parentPort: null
+  parentPort: null,
+  workerData: null,
 };
diff --git a/test/fixtures/worker-data.mjs b/test/fixtures/worker-data.mjs
@@ -0,0 +1,3 @@
+import { workerData, parentPort } from 'worker_threads';
+
+parentPort.postMessage(workerData);
diff --git a/test/parallel/test-worker-mjs-workerdata.js b/test/parallel/test-worker-mjs-workerdata.js
@@ -0,0 +1,16 @@
+'use strict';
+const common = require('../common');
+const fixtures = require('../common/fixtures');
+const assert = require('assert');
+const { Worker } = require('worker_threads');
+
+const workerData = 'Hello from main thread';
+
+const worker = new Worker(fixtures.path('worker-data.mjs'), {
+  workerData,
+  execArgv: ['--experimental-modules']
+});
+
+worker.on('message', common.mustCall((message) => {
+  assert.strictEqual(message, workerData);
+}));
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		import { workerData, parentPort } from 'worker_threads';

		parentPort.postMessage(workerData);