Disable LogBox if native module is not available

Summary: Changelog: [Internal]

Reviewed By: mmmulani

Differential Revision: D18920345

fbshipit-source-id: e5213dc9c3a1aa775138e71a8040a3472e9bbd67

Libraries/YellowBox/YellowBox.js

@@ -14,6 +14,8 @@ const React = require('react');
 
 import type {Registry, IgnorePattern} from './Data/YellowBoxRegistry';
 import * as LogBoxData from '../LogBox/Data/LogBoxData';
+import NativeLogBox from '../NativeModules/specs/NativeLogBox';
+
 type Props = $ReadOnly<{||}>;
 type State = {|
   registry: ?Registry,
@@ -118,6 +120,11 @@ if (__DEV__) {
     }
 
     static __unstable_enableLogBox(): void {
+      if (NativeLogBox == null) {
+        // The native module is required to enable LogBox.
+        return;
+      }
+
       if (_isInstalled) {
         throw new Error(
           'LogBox must be enabled before AppContainer is required so that it can properly wrap the console methods.\n\nPlease enable LogBox earlier in your app.\n\n',

Libraries/YellowBox/__tests__/YellowBox-test.js

@@ -16,7 +16,7 @@ const YellowBox = require('../YellowBox');
 const YellowBoxRegistry = require('../Data/YellowBoxRegistry');
 const LogBoxData = require('../../LogBox/Data/LogBoxData');
 const render = require('../../../jest/renderer');
-
+jest.mock('../../NativeModules/specs/NativeLogBox', () => true);
 jest.mock('../../LogBox/LogBoxNotificationContainer', () => ({
   __esModule: true,
   default: 'LogBoxNotificationContainer',