Replace ReactFiberErrorLogger injection with static forks

Author: gaearon

packages/react-dom/src/client/ReactDOMFB.js

@@ -9,8 +9,6 @@
 
 import * as ReactFiberTreeReflection from 'react-reconciler/reflection';
 import * as ReactInstanceMap from 'shared/ReactInstanceMap';
-// TODO: direct imports like some-package/src/* are bad. Fix me.
-import * as ReactFiberErrorLogger from 'react-reconciler/src/ReactFiberErrorLogger';
 import ReactErrorUtils from 'shared/ReactErrorUtils';
 import {addUserTimingListener} from 'shared/ReactFeatureFlags';
 
@@ -25,7 +23,6 @@ Object.assign(
     // These are real internal dependencies that are trickier to remove:
     ReactBrowserEventEmitter,
     ReactErrorUtils,
-    ReactFiberErrorLogger,
     ReactFiberTreeReflection,
     ReactDOMComponentTree,
     ReactInstanceMap,

packages/react-native-renderer/src/ReactNativeRenderer.js

@@ -12,8 +12,6 @@ import type {ReactNodeList} from 'shared/ReactTypes';
 
 import './ReactNativeInjection';
 
-// TODO: direct imports like some-package/src/* are bad. Fix me.
-import * as ReactFiberErrorLogger from 'react-reconciler/src/ReactFiberErrorLogger';
 import * as ReactPortal from 'react-reconciler/src/ReactPortal';
 import * as ReactGenericBatching from 'events/ReactGenericBatching';
 import TouchHistoryMath from 'events/TouchHistoryMath';
@@ -22,7 +20,6 @@ import ReactVersion from 'shared/ReactVersion';
 // Module provided by RN:
 import UIManager from 'UIManager';
 
-import {showDialog} from './ReactNativeFiberErrorDialog';
 import NativeMethodsMixin from './NativeMethodsMixin';
 import ReactNativeBridgeEventPlugin from './ReactNativeBridgeEventPlugin';
 import ReactNativeComponent from './ReactNativeComponent';
@@ -40,10 +37,6 @@ ReactGenericBatching.injection.injectFiberBatchedUpdates(
 
 const roots = new Map();
 
-// Intercept lifecycle errors and ensure they are shown with the correct stack
-// trace within the native redbox component.
-ReactFiberErrorLogger.injection.injectDialog(showDialog);
-
 const ReactNativeRenderer: ReactNativeType = {
   NativeComponent: ReactNativeComponent,
 

packages/react-reconciler/src/ReactFiberErrorDialog.js

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ */
+
+import type {CapturedError} from './ReactFiberScheduler';
+
+// This module is forked in different environments.
+// By default, return `true` to log errors to the console.
+// Forks can return `false` if this isn't desirable.
+export function showErrorDialog(capturedError: CapturedError): boolean {
+  return true;
+}

packages/react-reconciler/src/ReactFiberErrorLogger.js

@@ -9,16 +9,12 @@
 
 import type {CapturedError} from './ReactFiberScheduler';
 
-import invariant from 'fbjs/lib/invariant';
-
-const defaultShowDialog = (capturedError: CapturedError) => true;
-
-let showDialog = defaultShowDialog;
+import {showErrorDialog} from './ReactFiberErrorDialog';
 
 export function logCapturedError(capturedError: CapturedError): void {
-  const logError = showDialog(capturedError);
+  const logError = showErrorDialog(capturedError);
 
-  // Allow injected showDialog() to prevent default console.error logging.
+  // Allow injected showErrorDialog() to prevent default console.error logging.
   // This enables renderers like ReactNative to better manage redbox behavior.
   if (logError === false) {
     return;
@@ -78,21 +74,3 @@ export function logCapturedError(capturedError: CapturedError): void {
     console.error(error);
   }
 }
-
-export const injection = {
-  /**
-   * Display custom dialog for lifecycle errors.
-   * Return false to prevent default behavior of logging to console.error.
-   */
-  injectDialog(fn: (e: CapturedError) => boolean) {
-    invariant(
-      showDialog === defaultShowDialog,
-      'The custom dialog was already injected.',
-    );
-    invariant(
-      typeof fn === 'function',
-      'Injected showDialog() must be a function.',
-    );
-    showDialog = fn;
-  },
-};

packages/react-native-renderer/src/ReactNativeFiberErrorDialog.js renamed to packages/react-reconciler/src/forks/ReactFiberErrorDialog.native.js

@@ -7,7 +7,7 @@
  * @flow
  */
 
-import type {CapturedError} from 'react-reconciler/src/ReactFiberScheduler';
+import type {CapturedError} from '../ReactFiberScheduler';
 
 // Module provided by RN:
 import ExceptionsManager from 'ExceptionsManager';
@@ -16,7 +16,7 @@ import ExceptionsManager from 'ExceptionsManager';
  * Intercept lifecycle errors and ensure they are shown with the correct stack
  * trace within the native redbox component.
  */
-export function showDialog(capturedError: CapturedError): boolean {
+export function showErrorDialog(capturedError: CapturedError): boolean {
   const {componentStack, error} = capturedError;
 
   let errorToHandle: Error;

packages/react-reconciler/src/forks/ReactFiberErrorDialog.www.js

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ */
+
+import type {CapturedError} from '../ReactFiberScheduler';
+
+// Provided by www
+const ReactFiberErrorDialogWWW = require('ReactFiberErrorDialog');
+
+export function showErrorDialog(capturedError: CapturedError): boolean {
+  return ReactFiberErrorDialogWWW.showErrorDialog(capturedError);
+}

packages/react-rt-renderer/src/ReactNativeRT.js

@@ -19,9 +19,6 @@ import type {ReactNodeList} from 'shared/ReactTypes';
 import 'InitializeCore';
 import './ReactNativeRTEventEmitter';
 
-// TODO: direct imports like some-package/src/* are bad. Fix me.
-import * as ReactFiberErrorLogger from 'react-reconciler/src/ReactFiberErrorLogger';
-import {showDialog} from 'react-native-renderer/src/ReactNativeFiberErrorDialog';
 import * as ReactPortal from 'react-reconciler/src/ReactPortal';
 import * as ReactGenericBatching from 'events/ReactGenericBatching';
 import ReactVersion from 'shared/ReactVersion';
@@ -36,10 +33,6 @@ ReactGenericBatching.injection.injectFiberBatchedUpdates(
 
 const roots = new Map();
 
-// Intercept lifecycle errors and ensure they are shown with the correct stack
-// trace within the native redbox component.
-ReactFiberErrorLogger.injection.injectDialog(showDialog);
-
 const ReactNativeRTFiber: ReactNativeRTType = {
   render(element: React$Element<any>, containerTag: any, callback: ?Function) {
     let root = roots.get(containerTag);

scripts/flow/environment.js

@@ -13,7 +13,14 @@ declare var __REACT_DEVTOOLS_GLOBAL_HOOK__: any; /*?{
   inject: ?((stuff: Object) => void)
 };*/
 
-// ReactFeatureFlags rollup shim for www imports the www implementation.
+// ReactFeatureFlags www fork
 declare module 'ReactFeatureFlags' {
   declare module.exports: any;
 }
+
+// ReactFiberErrorDialog www fork
+declare module 'ReactFiberErrorDialog' {
+  declare module.exports: {
+    showErrorDialog: (error: mixed) => boolean,
+  };
+}

scripts/rollup/forks.js

@@ -6,6 +6,8 @@ const UMD_DEV = bundleTypes.UMD_DEV;
 const UMD_PROD = bundleTypes.UMD_PROD;
 const FB_DEV = bundleTypes.FB_DEV;
 const FB_PROD = bundleTypes.FB_PROD;
+const RN_DEV = bundleTypes.RN_DEV;
+const RN_PROD = bundleTypes.RN_PROD;
 
 // If you need to replace a file with another file for a specific environment,
 // add it to this list with the logic for choosing the right replacement.
@@ -66,6 +68,28 @@ const forks = Object.freeze({
         return null;
     }
   },
+
+  // Different behavior for caught errors.
+  'react-reconciler/src/ReactFiberErrorDialog': (bundleType, entry) => {
+    switch (bundleType) {
+      case FB_DEV:
+      case FB_PROD:
+        // Use the www fork which shows an error dialog.
+        return 'react-reconciler/src/forks/ReactFiberErrorDialog.www.js';
+      case RN_DEV:
+      case RN_PROD:
+        switch (entry) {
+          case 'react-native-renderer':
+          case 'react-rt-renderer':
+            // Use the RN fork which plays well with redbox.
+            return 'react-reconciler/src/forks/ReactFiberErrorDialog.native.js';
+          default:
+            return null;
+        }
+      default:
+        return null;
+    }
+  },
 });
 
 module.exports = forks;