Switch declare function exports to declare module.exports

Reviewed By: calebmer

Differential Revision: D6579552

fbshipit-source-id: a46f27cca8065e9f3c46739f6a874dfb346c0c7d

Author: samwgoldman

flow/Map.js

@@ -32,7 +32,5 @@ declare module "Map" {
     values(): Iterator<V>;
   }
 
-  // Don't "declare class exports" directly, otherwise in error messages our
-  // show up as "exports" instead of "Map" or "MapPolyfill".
   declare module.exports: typeof MapPolyfill;
 }

flow/Set.js

@@ -30,7 +30,5 @@ declare module "Set" {
     values(): Iterator<T>;
   }
 
-  // Don't "declare class exports" directly, otherwise in error messages our
-  // show up as "exports" instead of "Set" or "SetPolyfill".
   declare module.exports: typeof SetPolyfill;
 }

flow/fbjs.js

@@ -8,9 +8,9 @@
  */
 
 declare module 'fbjs/lib/invariant' {
-  declare function exports<T>(condition: any, message: string, ...args: Array<any>): void;
+  declare module.exports: <T>(condition: any, message: string, ...args: Array<any>) => void;
 }
 
 declare module 'fbjs/lib/nullthrows' {
-  declare function exports<T>(value: ?T): T;
+  declare module.exports: <T>(value: ?T) => T;
 }