Annotate Array.map returns when the implicit return type is widened

Summary: Changelog: [Internal]

Differential Revision: D40840078

fbshipit-source-id: 0104444060d8d6a1a22066d63579ac06ff715226

Libraries/LogBox/Data/__tests__/LogBoxLog-test.js

@@ -50,7 +50,7 @@ function getLogBoxSymbolication(): {|
 }
 
 const createStack = (methodNames: Array<string>) =>
-  methodNames.map(methodName => ({
+  methodNames.map((methodName): StackFrame => ({
     column: null,
     file: 'file://path/to/file.js',
     lineNumber: 1,

Libraries/LogBox/Data/__tests__/LogBoxSymbolication-test.js

@@ -24,7 +24,7 @@ const symbolicateStackTrace: JestMockFn<
 > = (require('../../../Core/Devtools/symbolicateStackTrace'): any);
 
 const createStack = (methodNames: Array<string>) =>
-  methodNames.map(methodName => ({
+  methodNames.map((methodName): StackFrame => ({
     column: null,
     file: 'file://path/to/file.js',
     lineNumber: 1,

Libraries/LogBox/UI/__tests__/LogBoxInspectorStackFrames-test.js

@@ -9,6 +9,8 @@
  * @oncall react_native
  */
 
+import type {StackFrame} from '../../../Core/NativeExceptionsManager';
+
 import LogBoxInspectorStackFrames, {
   getCollapseMessage,
 } from '../LogBoxInspectorStackFrames';
@@ -33,7 +35,7 @@ const createLogWithFrames = (collapsedOptions: Array<?boolean>) => {
 };
 
 const createCollapsedFrames = (collapsedOptions: Array<?boolean>) => {
-  return collapsedOptions.map(option => ({
+  return collapsedOptions.map((option): StackFrame => ({
     column: 1,
     file: 'dependency.js',
     lineNumber: 1,

packages/rn-tester/js/utils/testerStateUtils.js

@@ -62,11 +62,13 @@ export const getExamplesListWithBookmarksAndRecentlyUsed = ({
     return null;
   }
 
-  const components = RNTesterList.Components.map(componentExample => ({
-    ...componentExample,
-    isBookmarked: bookmarks.components.includes(componentExample.key),
-    exampleType: Screens.COMPONENTS,
-  }));
+  const components = RNTesterList.Components.map(
+    (componentExample): RNTesterModuleInfo => ({
+      ...componentExample,
+      isBookmarked: bookmarks.components.includes(componentExample.key),
+      exampleType: Screens.COMPONENTS,
+    }),
+  );
 
   const recentlyUsedComponents = recentlyUsed.components
     .map(recentComponentKey =>
@@ -78,7 +80,7 @@ export const getExamplesListWithBookmarksAndRecentlyUsed = ({
     component => component.isBookmarked,
   );
 
-  const apis = RNTesterList.APIs.map(apiExample => ({
+  const apis = RNTesterList.APIs.map((apiExample): RNTesterModuleInfo => ({
     ...apiExample,
     isBookmarked: bookmarks.apis.includes(apiExample.key),
     exampleType: Screens.APIS,