fix(core): Report errors to browser global error handler

This allows tools such as Qwik Insights, Sentry or New Relic to
capture errors and report them to server.

Fix #2618
getsentry/sentry-javascript#8867 (comment)

Author: mhevery

packages/qwik/src/core/error/assert.ts

@@ -1,6 +1,6 @@
 import type { QwikElement, VirtualElement } from '../render/dom/virtual-element';
 import { isElement, isQwikElement } from '../util/element';
-import { logErrorAndStop } from '../util/log';
+import { throwErrorAndStop } from '../util/log';
 import { qDev } from '../util/qdev';
 
 const ASSERT_DISCLAIMER = 'Internal assert, this is likely caused by a bug in Qwik: ';
@@ -14,7 +14,7 @@ export function assertDefined<T>(
     if (value != null) {
       return;
     }
-    throw logErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
+    throwErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
   }
 }
 
@@ -28,14 +28,14 @@ export function assertEqual(
     if (value1 === value2) {
       return;
     }
-    throw logErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
+    throwErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
   }
 }
 
 export function assertFail(text: string, ...parts: any[]): never;
 export function assertFail(text: string, ...parts: any[]) {
   if (qDev) {
-    throw logErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
+    throwErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
   }
 }
 
@@ -44,7 +44,7 @@ export function assertTrue(value1: any, text: string, ...parts: any[]): asserts
     if (value1 === true) {
       return;
     }
-    throw logErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
+    throwErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
   }
 }
 
@@ -53,7 +53,7 @@ export function assertNumber(value1: any, text: string, ...parts: any[]): assert
     if (typeof value1 === 'number') {
       return;
     }
-    throw logErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
+    throwErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
   }
 }
 
@@ -62,15 +62,15 @@ export function assertString(value1: any, text: string, ...parts: any[]): assert
     if (typeof value1 === 'string') {
       return;
     }
-    throw logErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
+    throwErrorAndStop(ASSERT_DISCLAIMER + text, ...parts);
   }
 }
 
 export function assertQwikElement(el: any): asserts el is QwikElement {
   if (qDev) {
     if (!isQwikElement(el)) {
       console.error('Not a Qwik Element, got', el);
-      throw logErrorAndStop(ASSERT_DISCLAIMER + 'Not a Qwik Element');
+      throwErrorAndStop(ASSERT_DISCLAIMER + 'Not a Qwik Element');
     }
   }
 }
@@ -79,7 +79,7 @@ export function assertElement(el: Node | VirtualElement): asserts el is Element
   if (qDev) {
     if (!isElement(el)) {
       console.error('Not a Element, got', el);
-      throw logErrorAndStop(ASSERT_DISCLAIMER + 'Not an Element');
+      throwErrorAndStop(ASSERT_DISCLAIMER + 'Not an Element');
     }
   }
 }

packages/qwik/src/core/state/common.ts

@@ -13,7 +13,7 @@ import {
 } from '../use/use-task';
 import type { QwikElement } from '../render/dom/virtual-element';
 import { notifyChange } from '../render/dom/notify-render';
-import { createError, logError } from '../util/log';
+import { createError, logError, throwErrorAndStop } from '../util/log';
 import { tryGetContext } from './context';
 import { QObjectFlagsSymbol, QObjectManagerSymbol, QOjectTargetSymbol } from './constants';
 import type { Signal } from './signal';
@@ -101,7 +101,7 @@ const _verifySerializable = <T>(value: T, seen: Set<any>, ctx: string, preMessag
       )});\n\nPlease check out https://qwik.builder.io/docs/advanced/qrl/ for more information.`;
     }
     console.error('Trying to serialize', value);
-    throw createError(message);
+    throwErrorAndStop(message);
   }
   return value;
 };

packages/qwik/src/core/util/log.ts

@@ -8,19 +8,18 @@ const STYLE = qDev
   : '';
 
 export const logError = (message?: any, ...optionalParams: any[]) => {
-  const err = message instanceof Error ? message : createError(message);
-  const messageStr = err.stack || err.message;
-  console.error('%cQWIK ERROR', STYLE, messageStr, ...printParams(optionalParams));
-  return err;
+  return createAndLogError(true, message, ...optionalParams);
 };
 
-export const createError = (message?: string) => {
-  const err = new Error(message);
-  return err;
+export const throwErrorAndStop = (message?: any, ...optionalParams: any[]): never => {
+  const error = createAndLogError(false, message, ...optionalParams);
+  // eslint-disable-next-line no-debugger
+  debugger;
+  throw error;
 };
 
 export const logErrorAndStop = (message?: any, ...optionalParams: any[]) => {
-  const err = logError(message, ...optionalParams);
+  const err = createAndLogError(true, message, ...optionalParams);
   // eslint-disable-next-line no-debugger
   debugger;
   return err;
@@ -79,3 +78,17 @@ const printElement = (el: Element) => {
     ctx: isServer ? undefined : ctx,
   };
 };
+
+const createAndLogError = (asyncThrow: boolean, message?: any, ...optionalParams: any[]) => {
+  const err = message instanceof Error ? message : new Error(message);
+  const messageStr = err.stack || err.message;
+  console.error('%cQWIK ERROR', STYLE, messageStr, ...printParams(optionalParams));
+  asyncThrow &&
+    setTimeout(() => {
+      // throwing error asynchronously to avoid breaking the current call stack.
+      // We throw so that the error is delivered to the global error handler for
+      // reporting it to a third-party tools such as Qwik Insights, Sentry or New Relic.
+      throw err;
+    }, 0);
+  return err;
+};