fix: Pass transition hook's arguments correctly

Author: arkist

modules/TransitionUtils.js

@@ -82,9 +82,9 @@ export function runEnterHooks(routes, nextState, callback) {
   enterHooks.clear()
   const hooks = getEnterHooks(routes)
   return runTransitionHooks(hooks.length, (index, replace, next) => {
-    const wrappedNext = () => {
+    const wrappedNext = (...args) => {
       if (enterHooks.has(hooks[index])) {
-        next()
+        next(...args)
         enterHooks.remove(hooks[index])
       }
     }
@@ -106,9 +106,9 @@ export function runChangeHooks(routes, state, nextState, callback) {
   changeHooks.clear()
   const hooks = getChangeHooks(routes)
   return runTransitionHooks(hooks.length, (index, replace, next) => {
-    const wrappedNext = () => {
+    const wrappedNext = (...args) => {
       if (changeHooks.has(hooks[index])) {
-        next()
+        next(...args)
         changeHooks.remove(hooks[index])
       }
     }

modules/__tests__/transitionHooks-test.js

@@ -6,6 +6,7 @@ import { routerShape } from '../PropTypes'
 import execSteps from './execSteps'
 import Router from '../Router'
 import Route from '../Route'
+import match from '../match'
 
 describe('When a router enters a branch', function () {
   let
@@ -397,13 +398,17 @@ describe('Changing location', () => {
       cb()
     })
   }
+  const onEnterError = (state, replace, cb) => {
+    cb(new Error('transition error'))
+  }
   const createRoutes = ({ enter, change }) => [
     <Route path="/" onChange={change ? onChange : noop} component={Text('Home')}>
       <Route path="child1" component={Text('Child1')} />
       <Route path="child2" component={Text('Child2')} />
     </Route>,
     <Route path="/foo" onEnter={enter ? onEnter : noop} component={Text('Foo')} />,
-    <Route path="/bar" component={Text('Bar')} />
+    <Route path="/bar" component={Text('Bar')} />,
+    <Route path="/error" onEnter={enter ? onEnterError : noop} component={Text('Error')}/>
   ]
 
   beforeEach(() => {
@@ -443,4 +448,16 @@ describe('Changing location', () => {
       })
     })
   })
+
+  it('should pass error correctly', (done) => {
+    const routes = createRoutes({ enter: true })
+
+    match({ routes, location: '/error' }, (error, redirectLocation, renderProps) => {
+      expect(error).toExist()
+      expect(error.message).toEqual('transition error')
+      expect(redirectLocation).toNotExist()
+      expect(renderProps).toNotExist()
+      done()
+    })
+  })
 })