JsUrlStrategy constructor Null safety
Creates an instance of JsUrlStrategy from a bag of URL strategy functions.
Implementation
external factory JsUrlStrategy({
  @required _PathGetter getPath,
  @required _StateGetter getState,
  @required _AddPopStateListener addPopStateListener,
  @required _StringToString prepareExternalUrl,
  @required _StateOperation pushState,
  @required _StateOperation replaceState,
  @required _HistoryMove go,
});