feat(errors): capture errors thrown in redirect callback in onError (#3251)

* feat(errors): capture errors thrown in redirect callback in onError

Resolves #3201

* feat(errors): capture errors thrown in redirect callback in onError

try catch just router.match

Resolves #3201

* feat(errors): capture errors thrown in redirect callback in onError

remove unnecessary if

Resolves #3201

Co-authored-by: Raul Cabello <[email protected]>

Author: raulcabello

src/history/base.js

@@ -77,7 +77,17 @@ export class History {
     onComplete?: Function,
     onAbort?: Function
   ) {
-    const route = this.router.match(location, this.current)
+    let route
+    try {
+      route = this.router.match(location, this.current)
+    } catch (e) {
+      this.errorCbs.forEach(cb => {
+        cb(e)
+      })
+      // Exception should still be thrown
+      // https://github.com/vuejs/vue-router/issues/3201
+      throw e
+    }
     this.confirmTransition(
       route,
       () => {

test/unit/specs/error-handling.spec.js

@@ -183,4 +183,33 @@ describe('error handling', () => {
         done()
       })
   })
+
+  it('should trigger onError when an exception is thrown', done => {
+    const config = [{
+      path: '/oldpath/:part',
+      redirect: (to) => {
+        if (to.ooopsmistake.part) {
+          return `/newpath/${to.params.part}`
+        }
+        return '/newpath/'
+      }
+    }]
+
+    const router = new VueRouter({
+      routes: config
+    })
+
+    const onError = jasmine.createSpy('onError')
+    router.onError(onError)
+    const pushCatch = jasmine.createSpy('pushCatch')
+
+    router
+      .push('/oldpath/test')
+      .catch(pushCatch)
+      .finally(() => {
+        expect(pushCatch).toHaveBeenCalled()
+        expect(onError).toHaveBeenCalled()
+        done()
+      })
+  })
 })