Export thunk and withExtraArgument as named values and remove defaults

Author: markerikson

src/index.ts

@@ -36,7 +36,7 @@ function createThunkMiddleware<
   return middleware
 }
 
-const thunk = createThunkMiddleware() as ThunkMiddleware & {
+export const thunk = createThunkMiddleware() as ThunkMiddleware & {
   withExtraArgument<
     ExtraThunkArg,
     State = any,
@@ -46,8 +46,6 @@ const thunk = createThunkMiddleware() as ThunkMiddleware & {
   ): ThunkMiddleware<State, BasicAction, ExtraThunkArg>
 }
 
-// Attach the factory function so users can create a customized version
+// Export the factory function so users can create a customized version
 // with whatever "extra arg" they want to inject into their thunks
-thunk.withExtraArgument = createThunkMiddleware
-
-export default thunk
+export const withExtraArgument = createThunkMiddleware

test/test.ts

@@ -1,4 +1,4 @@
-import thunkMiddleware from '../src/index'
+import { thunk as thunkMiddleware, withExtraArgument } from '../src/index'
 
 describe('thunk middleware', () => {
   const doDispatch = () => {}
@@ -92,7 +92,7 @@ describe('thunk middleware', () => {
     it('must pass the third argument', done => {
       const extraArg = { lol: true }
       // @ts-ignore
-      thunkMiddleware.withExtraArgument(extraArg)({
+      withExtraArgument(extraArg)({
         dispatch: doDispatch,
         getState: doGetState
       })()((dispatch: any, getState: any, arg: any) => {