568e9df1d6
The matcher is allowed to return null per https://angular.io/api/router/UrlMatcher#usage-notes And run `yarn gulp format` to pick up recent clang format changes. Closes #29824 BREAKING CHANGE: UrlMatcher's type now reflects that it could always return null. If you implemented your own Router or Recognizer class, please update it to handle matcher returning null. PR Close #36402