feat[react-devtools]: add settings to global hook object

Author: hoxyq

packages/react-devtools-shared/src/backend/agent.js

@@ -37,11 +37,9 @@ import type {
   RendererID,
   RendererInterface,
   ConsolePatchSettings,
+  DevToolsHookSettings,
 } from './types';
-import type {
-  ComponentFilter,
-  BrowserTheme,
-} from 'react-devtools-shared/src/frontend/types';
+import type {ComponentFilter} from 'react-devtools-shared/src/frontend/types';
 import {isSynchronousXHRSupported, isReactNativeEnvironment} from './utils';
 
 const debug = (methodName: string, ...args: Array<string>) => {
@@ -153,6 +151,7 @@ export default class Agent extends EventEmitter<{
   drawTraceUpdates: [Array<HostInstance>],
   disableTraceUpdates: [],
   getIfHasUnsupportedRendererVersion: [],
+  updateHookSettings: [DevToolsHookSettings],
 }> {
   _bridge: BackendBridge;
   _isProfiling: boolean = false;
@@ -805,30 +804,22 @@ export default class Agent extends EventEmitter<{
     }
   };
 
-  updateConsolePatchSettings: ({
-    appendComponentStack: boolean,
-    breakOnConsoleErrors: boolean,
-    browserTheme: BrowserTheme,
-    hideConsoleLogsInStrictMode: boolean,
-    showInlineWarningsAndErrors: boolean,
-  }) => void = ({
-    appendComponentStack,
-    breakOnConsoleErrors,
-    showInlineWarningsAndErrors,
-    hideConsoleLogsInStrictMode,
-    browserTheme,
-  }: ConsolePatchSettings) => {
+  updateConsolePatchSettings: (
+    settings: $ReadOnly<ConsolePatchSettings>,
+  ) => void = settings => {
+    // Propagate the settings, so Backend can subscribe to it and modify hook
+    this.emit('updateHookSettings', {
+      appendComponentStack: settings.appendComponentStack,
+      breakOnConsoleErrors: settings.breakOnConsoleErrors,
+      showInlineWarningsAndErrors: settings.showInlineWarningsAndErrors,
+      hideConsoleLogsInStrictMode: settings.hideConsoleLogsInStrictMode,
+    });
+
     // If the frontend preferences have changed,
     // or in the case of React Native- if the backend is just finding out the preferences-
     // then reinstall the console overrides.
     // It's safe to call `patchConsole` multiple times.
-    patchConsole({
-      appendComponentStack,
-      breakOnConsoleErrors,
-      showInlineWarningsAndErrors,
-      hideConsoleLogsInStrictMode,
-      browserTheme,
-    });
+    patchConsole(settings);
   };
 
   updateComponentFilters: (componentFilters: Array<ComponentFilter>) => void =

packages/react-devtools-shared/src/backend/console.js

@@ -135,7 +135,7 @@ export function patch({
   showInlineWarningsAndErrors,
   hideConsoleLogsInStrictMode,
   browserTheme,
-}: ConsolePatchSettings): void {
+}: $ReadOnly<ConsolePatchSettings>): void {
   // Settings may change after we've patched the console.
   // Using a shared ref allows the patch function to read the latest values.
   consoleSettingsRef.appendComponentStack = appendComponentStack;

packages/react-devtools-shared/src/backend/index.js

@@ -83,6 +83,10 @@ export function initBackend(
     agent.removeListener('shutdown', onAgentShutdown);
   });
 
+  agent.addListener('updateHookSettings', settings => {
+    hook.settings = settings;
+  });
+
   return () => {
     subs.forEach(fn => fn());
   };

packages/react-devtools-shared/src/backend/types.js

@@ -527,6 +527,9 @@ export type DevToolsHook = {
   // Testing
   dangerous_setTargetConsoleForTesting?: (fakeConsole: Object) => void,
 
+  settings: DevToolsHookSettings,
+  settingsHaveBeenInjected: boolean,
+  injectSettings: (settings: DevToolsHookSettings) => void,
   ...
 };
 
@@ -537,3 +540,10 @@ export type ConsolePatchSettings = {
   hideConsoleLogsInStrictMode: boolean,
   browserTheme: BrowserTheme,
 };
+
+export type DevToolsHookSettings = {
+  appendComponentStack: boolean,
+  breakOnConsoleErrors: boolean,
+  showInlineWarningsAndErrors: boolean,
+  hideConsoleLogsInStrictMode: boolean,
+};

packages/react-devtools-shared/src/hook.js

@@ -15,6 +15,7 @@ import type {
   RendererID,
   RendererInterface,
   DevToolsBackend,
+  DevToolsHookSettings,
 } from './backend/types';
 
 import {
@@ -25,7 +26,17 @@ import attachRenderer from './attachRenderer';
 
 declare var window: any;
 
-export function installHook(target: any): DevToolsHook | null {
+const defaultHookSettings: DevToolsHookSettings = {
+  appendComponentStack: true,
+  breakOnConsoleErrors: false,
+  showInlineWarningsAndErrors: true,
+  hideConsoleLogsInStrictMode: false,
+};
+
+export function installHook(
+  target: any,
+  settingsToInject?: DevToolsHookSettings,
+): DevToolsHook | null {
   if (target.hasOwnProperty('__REACT_DEVTOOLS_GLOBAL_HOOK__')) {
     return null;
   }
@@ -527,6 +538,16 @@ export function installHook(target: any): DevToolsHook | null {
   const renderers = new Map<RendererID, ReactRenderer>();
   const backends = new Map<string, DevToolsBackend>();
 
+  const settings = settingsToInject || defaultHookSettings;
+  const settingsHaveBeenInjected = settingsToInject != null;
+
+  // Should be used once when the persisted settings were loaded from some asynchronous storage
+  // This will be used as a signal that Hook initialization has finished, and it can now use patched console implementation
+  function injectSettings(newSettings: DevToolsHookSettings): void {
+    hook.settings = newSettings;
+    hook.settingsHaveBeenInjected = true;
+  }
+
   const hook: DevToolsHook = {
     rendererInterfaces,
     listeners,
@@ -564,6 +585,10 @@ export function installHook(target: any): DevToolsHook | null {
     getInternalModuleRanges,
     registerInternalModuleStart,
     registerInternalModuleStop,
+
+    settings,
+    settingsHaveBeenInjected,
+    injectSettings,
   };
 
   if (__TEST__) {