Method when

src/urlRouterProvider.ts:167–174

* Registers a handler for a given url matching. * * If the handler is a string, it is * treated as a redirect, and is interpolated according to the syntax of match * (i.e. like `String.replace()` for `RegExp`, or like a `UrlMatcher` pattern otherwise). * * If the handler is a funct

(what: RegExp | UrlMatcher | string, handler: string | IInjectable)

   * Note: the handler may also invoke arbitrary code, such as `$state.go()`
   */
  when(what: RegExp | UrlMatcher | string, handler: string | IInjectable): this {
    if (isArray(handler) || isFunction(handler)) {
      handler = UrlRouterProvider.injectableHandler(this.router, handler);
    }

    this.router.urlService.rules.when(what, handler as any);
    return this;
  }

  /**
   * Disables monitoring of the URL.