Enforce empty array providers in arvr/js

Summary: Changelog: [Internal]

Reviewed By: SamChou19815

Differential Revision: D41206042

fbshipit-source-id: 0d6a87fdb693a01a97783f5428111f428a94f80e

Libraries/Animated/nodes/AnimatedTransform.js

@@ -68,7 +68,7 @@ export default class AnimatedTransform extends AnimatedWithChildren {
   }
 
   __getNativeConfig(): any {
-    const transConfigs = [];
+    const transConfigs: Array<any> = [];
 
     this._transforms.forEach(transform => {
       for (const key in transform) {

Libraries/Lists/__flowtests__/SectionList-flowtest.js

@@ -76,7 +76,7 @@ module.exports = {
   },
 
   testBadInheritedDefaultProp(): React.MixedElement {
-    const sections = [];
+    const sections: $FlowFixMe = [];
     return (
       <SectionList
         renderItem={renderMyListItem}

Libraries/Network/RCTNetworking.android.js

@@ -22,7 +22,7 @@ type Header = [string, string];
 // Convert FormData headers to arrays, which are easier to consume in
 // native on Android.
 function convertHeadersMapToArray(headers: Object): Array<Header> {
-  const headerArray = [];
+  const headerArray: Array<Header> = [];
   for (const name in headers) {
     headerArray.push([name, headers[name]]);
   }