fix: removes warning resolving asterisk routes

* fix: removes warning resolving asterisk routes

Closes #2505

* refactor: add test for #2505

* test: fix bad route name in test

* fix(flow): enuser params is an object

src/util/params.js

@@ -13,15 +13,23 @@ export function fillParams (
   params: ?Object,
   routeMsg: string
 ): string {
+  params = params || {}
   try {
     const filler =
       regexpCompileCache[path] ||
       (regexpCompileCache[path] = Regexp.compile(path))
-    return filler(params || {}, { pretty: true })
+
+    // Fix #2505 resolving asterisk routes { name: 'not-found', params: { pathMatch: '/not-found' }}
+    if (params.pathMatch) params[0] = params.pathMatch
+
+    return filler(params, { pretty: true })
   } catch (e) {
     if (process.env.NODE_ENV !== 'production') {
       warn(false, `missing param for ${routeMsg}: ${e.message}`)
     }
     return ''
+  } finally {
+    // delete the 0 if it was added
+    delete params[0]
   }
 }

test/unit/specs/create-matcher.spec.js

@@ -4,7 +4,9 @@ import { createMatcher } from '../../../src/create-matcher'
 const routes = [
   { path: '/', name: 'home', component: { name: 'home' }},
   { path: '/foo', name: 'foo', component: { name: 'foo' }},
-  { path: '*', props: true, component: { name: 'notFound' }}
+  { path: '/baz/:testparam', name: 'baz', component: { name: 'baz' }},
+  { path: '/error/*', name: 'error', component: { name: 'error' }},
+  { path: '*', props: true, name: 'notFound', component: { name: 'notFound' }}
 ]
 
 describe('Creating Matcher', function () {
@@ -26,14 +28,49 @@ describe('Creating Matcher', function () {
     expect(matched.length).toBe(0)
     expect(name).toBe('bar')
     expect(console.warn).toHaveBeenCalled()
-    expect(console.warn.calls.argsFor(0)[0]).toMatch('Route with name \'bar\' does not exist')
+    expect(console.warn.calls.argsFor(0)[0]).toMatch(
+      "Route with name 'bar' does not exist"
+    )
   })
 
   it('in production, it has not logged this warning', function () {
     match({ name: 'foo' }, routes[0])
     expect(console.warn).not.toHaveBeenCalled()
   })
 
+  it('matches named route with params without warning', function () {
+    process.env.NODE_ENV = 'development'
+    const { name, path, params } = match({
+      name: 'baz',
+      params: { testparam: 'testvalue' }
+    })
+    expect(console.warn).not.toHaveBeenCalled()
+    expect(name).toEqual('baz')
+    expect(path).toEqual('/baz/testvalue')
+    expect(params).toEqual({ testparam: 'testvalue' })
+  })
+
+  it('matches asterisk routes with a default param name without warning', function () {
+    process.env.NODE_ENV = 'development'
+    const { params } = match(
+      { name: 'notFound', params: { pathMatch: '/not-found' }},
+      routes[0]
+    )
+    expect(console.warn).not.toHaveBeenCalled()
+    expect(params).toEqual({ pathMatch: '/not-found' })
+  })
+
+  it('matches partial asterisk routes with a default param name without warning', function () {
+    process.env.NODE_ENV = 'development'
+    const { params, path } = match(
+      { name: 'error', params: { pathMatch: 'some' }},
+      routes[0]
+    )
+    expect(console.warn).not.toHaveBeenCalled()
+    expect(params).toEqual({ pathMatch: 'some' })
+    expect(path).toEqual('/error/some')
+  })
+
   it('matches asterisk routes with a default param name', function () {
     const { params } = match({ path: '/not-found' }, routes[0])
     expect(params).toEqual({ pathMatch: '/not-found' })