From 5fa056e53be6d17ab746629ea0eaa89fe817141b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Sat, 18 Jan 2020 00:43:53 +0100
Subject: workers: minimal error handling and async module loading (#3665)

---
 cli/tests/026_workers.ts        |  6 ++++++
 cli/tests/026_workers.ts.out    |  3 +++
 cli/tests/subdir/test_worker.js | 12 ++++++++++++
 3 files changed, 21 insertions(+)

(limited to 'cli/tests')

diff --git a/cli/tests/026_workers.ts b/cli/tests/026_workers.ts
index f45fc4b77..7ac1a0f32 100644
--- a/cli/tests/026_workers.ts
+++ b/cli/tests/026_workers.ts
@@ -11,4 +11,10 @@ jsWorker.onmessage = (e): void => {
   tsWorker.postMessage("Hello World");
 };
 
+jsWorker.onerror = (e: Event): void => {
+  e.preventDefault();
+  console.log("called onerror in script");
+  jsWorker.postMessage("Hello World");
+};
+
 jsWorker.postMessage("Hello World");
diff --git a/cli/tests/026_workers.ts.out b/cli/tests/026_workers.ts.out
index 7538cc867..92f7550ad 100644
--- a/cli/tests/026_workers.ts.out
+++ b/cli/tests/026_workers.ts.out
@@ -1,4 +1,7 @@
 Hello World
+called onerror in worker
+called onerror in script
+Hello World
 Received js: Hello World
 Hello World
 Received ts: Hello World
diff --git a/cli/tests/subdir/test_worker.js b/cli/tests/subdir/test_worker.js
index 53d38ba96..cec5bdf9b 100644
--- a/cli/tests/subdir/test_worker.js
+++ b/cli/tests/subdir/test_worker.js
@@ -1,7 +1,19 @@
+let thrown = false;
+
 onmessage = function(e) {
   console.log(e.data);
 
+  if (thrown === false) {
+    thrown = true;
+    throw new SyntaxError("[test error]");
+  }
+
   postMessage(e.data);
 
   workerClose();
 };
+
+onerror = function() {
+  console.log("called onerror in worker");
+  return false;
+};
-- 
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