{
  "version": 3,
  "file": "stateEvents.min.js",
  "sources": [
    "@uirouter/angularjs/src/angular.ts",
    "@uirouter/angularjs/src/legacy/stateEvents.ts"
  ],
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    "/**\n * @hidden\n * @module ng1\n */ /** */\ndeclare var angular;\nimport * as ng_from_import from \"angular\";\nlet ng_from_global = angular;\n\nexport const ng = (ng_from_import && ng_from_import.module) ? ng_from_import : ng_from_global;\n",
    "/**\n * # Legacy state events\n *\n * Polyfill implementation of the UI-Router 0.2.x state events.\n *\n * The 0.2.x state events are deprecated.  We recommend moving to Transition Hooks instead, as they\n * provide much more flexibility, support async, and provide the context (the Transition, etc) necessary\n * to implement meaningful application behaviors.\n *\n * To enable these state events, include the `stateEvents.js` file in your project, e.g.,\n * ```\n * <script src=\"stateEvents.js\"></script>\n * ```\n * and also make sure you depend on the `ui.router.state.events` angular module, e.g.,\n * ```\n * angular.module(\"myApplication\", ['ui.router', 'ui.router.state.events']\n * ```\n *\n * @module ng1_state_events\n */ /** */\nimport { ng as angular } from \"../angular\";\nimport { IScope, IAngularEvent, IServiceProviderFactory } from \"angular\";\nimport {\n    Obj, TargetState, StateService, Transition, TransitionService, UrlRouter, HookResult, UIInjector\n} from \"@uirouter/core\";\nimport { StateProvider } from \"../stateProvider\";\n\n/**\n * An event broadcast on `$rootScope` when the state transition **begins**.\n *\n * ### Deprecation warning: use [[TransitionService.onStart]] instead\n *\n * You can use `event.preventDefault()`\n * to prevent the transition from happening and then the transition promise will be\n * rejected with a `'transition prevented'` value.\n *\n * Additional arguments to the event handler are provided:\n * - `toState`: the Transition Target state\n * - `toParams`: the Transition Target Params\n * - `fromState`: the state the transition is coming from\n * - `fromParams`: the parameters from the state the transition is coming from\n * - `options`: any Transition Options\n * - `$transition$`: the [[Transition]]\n *\n * #### Example:\n * ```js\n * $rootScope.$on('$stateChangeStart', function(event, transition) {\n *   event.preventDefault();\n *   // transitionTo() promise will be rejected with\n *   // a 'transition prevented' error\n * })\n * ```\n *\n * @event $stateChangeStart\n * @deprecated\n */\nexport var $stateChangeStart: IAngularEvent;\n\n/**\n * An event broadcast on `$rootScope` if a transition is **cancelled**.\n *\n * ### Deprecation warning: use [[TransitionService.onStart]] instead\n *\n * Additional arguments to the event handler are provided:\n * - `toState`: the Transition Target state\n * - `toParams`: the Transition Target Params\n * - `fromState`: the state the transition is coming from\n * - `fromParams`: the parameters from the state the transition is coming from\n * - `options`: any Transition Options\n * - `$transition$`: the [[Transition]] that was cancelled\n *\n * @event $stateChangeCancel\n * @deprecated\n */\nexport var $stateChangeCancel: IAngularEvent;\n\n/**\n * An event broadcast on `$rootScope` once the state transition is **complete**.\n *\n * ### Deprecation warning: use [[TransitionService.onStart]] and [[Transition.promise]], or [[Transition.onSuccess]]\n *\n * Additional arguments to the event handler are provided:\n * - `toState`: the Transition Target state\n * - `toParams`: the Transition Target Params\n * - `fromState`: the state the transition is coming from\n * - `fromParams`: the parameters from the state the transition is coming from\n * - `options`: any Transition Options\n * - `$transition$`: the [[Transition]] that just succeeded\n *\n * @event $stateChangeSuccess\n * @deprecated\n */\nexport var $stateChangeSuccess: IAngularEvent;\n\n/**\n * An event broadcast on `$rootScope` when an **error occurs** during transition.\n *\n * ### Deprecation warning: use [[TransitionService.onStart]] and [[Transition.promise]], or [[Transition.onError]]\n *\n * It's important to note that if you\n * have any errors in your resolve functions (javascript errors, non-existent services, etc)\n * they will not throw traditionally. You must listen for this $stateChangeError event to\n * catch **ALL** errors.\n *\n * Additional arguments to the event handler are provided:\n * - `toState`: the Transition Target state\n * - `toParams`: the Transition Target Params\n * - `fromState`: the state the transition is coming from\n * - `fromParams`: the parameters from the state the transition is coming from\n * - `error`: The reason the transition errored.\n * - `options`: any Transition Options\n * - `$transition$`: the [[Transition]] that errored\n *\n * @event $stateChangeError\n * @deprecated\n */\nexport var $stateChangeError: IAngularEvent;\n\n/**\n * An event broadcast on `$rootScope` when a requested state **cannot be found** using the provided state name.\n *\n * ### Deprecation warning: use [[StateService.onInvalid]] instead\n *\n * The event is broadcast allowing any handlers a single chance to deal with the error (usually by\n * lazy-loading the unfound state). A `TargetState` object is passed to the listener handler,\n * you can see its properties in the example. You can use `event.preventDefault()` to abort the\n * transition and the promise returned from `transitionTo()` will be rejected with a\n * `'transition aborted'` error.\n *\n * Additional arguments to the event handler are provided:\n * - `unfoundState` Unfound State information. Contains: `to, toParams, options` properties.\n * - `fromState`: the state the transition is coming from\n * - `fromParams`: the parameters from the state the transition is coming from\n * - `options`: any Transition Options\n *\n * #### Example:\n * ```js\n * // somewhere, assume lazy.state has not been defined\n * $state.go(\"lazy.state\", { a: 1, b: 2 }, { inherit: false });\n *\n * // somewhere else\n * $scope.$on('$stateNotFound', function(event, transition) {\n * function(event, unfoundState, fromState, fromParams){\n *     console.log(unfoundState.to); // \"lazy.state\"\n *     console.log(unfoundState.toParams); // {a:1, b:2}\n *     console.log(unfoundState.options); // {inherit:false} + default options\n * });\n * ```\n *\n * @event $stateNotFound\n * @deprecated\n */\nexport var $stateNotFound: IAngularEvent;\n\n\n(function () {\n  let { isFunction, isString } = angular;\n\n  function applyPairs(memo: Obj, keyValTuple: any[]) {\n    let key: string, value: any;\n    if (Array.isArray(keyValTuple)) [key, value] = keyValTuple;\n    if (!isString(key)) throw new Error(\"invalid parameters to applyPairs\");\n    memo[key] = value;\n    return memo;\n  }\n\n  function stateChangeStartHandler($transition$: Transition) {\n    if (!$transition$.options().notify || !$transition$.valid() || $transition$.ignored())\n      return;\n\n    let $injector = $transition$.injector();\n    let $stateEvents = $injector.get('$stateEvents');\n    let $rootScope = $injector.get('$rootScope');\n    let $state = $injector.get('$state');\n    let $urlRouter = $injector.get('$urlRouter');\n\n    let enabledEvents = $stateEvents.provider.enabled();\n\n\n    let toParams = $transition$.params(\"to\");\n    let fromParams = $transition$.params(\"from\");\n\n    if (enabledEvents.$stateChangeSuccess) {\n      let startEvent = $rootScope.$broadcast('$stateChangeStart', $transition$.to(), toParams, $transition$.from(), fromParams, $transition$.options(), $transition$);\n\n      if (startEvent.defaultPrevented) {\n        if (enabledEvents.$stateChangeCancel) {\n          $rootScope.$broadcast('$stateChangeCancel', $transition$.to(), toParams, $transition$.from(), fromParams, $transition$.options(), $transition$);\n        }\n        //Don't update and resync url if there's been a new transition started. see issue #2238, #600\n        if ($state.transition == null) $urlRouter.update();\n        return false;\n      }\n\n      // right after global state is updated\n      let successOpts = { priority: 9999 };\n      $transition$.onSuccess({}, function () {\n        $rootScope.$broadcast('$stateChangeSuccess', $transition$.to(), toParams, $transition$.from(), fromParams, $transition$.options(), $transition$);\n      }, successOpts);\n    }\n\n    if (enabledEvents.$stateChangeError) {\n      $transition$.promise[\"catch\"](function (error) {\n        if (error && (error.type === 2 /* RejectType.SUPERSEDED */ || error.type === 3 /* RejectType.ABORTED */))\n          return;\n\n\n        let evt = $rootScope.$broadcast('$stateChangeError', $transition$.to(), toParams, $transition$.from(), fromParams, error, $transition$.options(), $transition$);\n\n        if (!evt.defaultPrevented) {\n          $urlRouter.update();\n        }\n      });\n    }\n  }\n\n  stateNotFoundHandler.$inject = ['$to$', '$from$', '$state', '$rootScope', '$urlRouter'];\n  function stateNotFoundHandler($to$: TargetState, $from$: TargetState, injector: UIInjector): HookResult {\n    let $state: StateService = injector.get('$state');\n    let $rootScope: IScope = injector.get('$rootScope');\n    let $urlRouter: UrlRouter = injector.get('$urlRouter');\n\n    interface StateNotFoundEvent extends IAngularEvent {\n      retry: Promise<any>;\n    }\n\n    let redirect = { to: $to$.identifier(), toParams: $to$.params(), options: $to$.options() };\n    let e = <StateNotFoundEvent> $rootScope.$broadcast('$stateNotFound', redirect, $from$.state(), $from$.params());\n\n    if (e.defaultPrevented || e.retry)\n      $urlRouter.update();\n\n    function redirectFn(): TargetState {\n      return $state.target(redirect.to, redirect.toParams, redirect.options);\n    }\n\n    if (e.defaultPrevented) {\n      return false;\n    } else if (e.retry || !!$state.get(redirect.to)) {\n      return e.retry && isFunction(e.retry.then) ? e.retry.then(redirectFn) : redirectFn();\n    }\n  }\n\n  $StateEventsProvider.$inject = ['$stateProvider'];\n  function $StateEventsProvider($stateProvider: StateProvider) {\n    $StateEventsProvider.prototype.instance = this;\n\n    interface IEventsToggle {\n      [key: string]: boolean;\n      $stateChangeStart: boolean;\n      $stateNotFound: boolean;\n      $stateChangeSuccess: boolean;\n      $stateChangeError: boolean;\n    }\n\n    let runtime = false;\n    let allEvents = ['$stateChangeStart', '$stateNotFound', '$stateChangeSuccess', '$stateChangeError'];\n    let enabledStateEvents = <IEventsToggle> allEvents.map(e => [e, true]).reduce(applyPairs, {});\n\n    function assertNotRuntime() {\n      if (runtime) throw new Error(\"Cannot enable events at runtime (use $stateEventsProvider\");\n    }\n\n    /**\n     * Enables the deprecated UI-Router 0.2.x State Events\n     * [ '$stateChangeStart', '$stateNotFound', '$stateChangeSuccess', '$stateChangeError' ]\n     */\n    this.enable = function (...events: string[]) {\n      assertNotRuntime();\n      if (!events || !events.length) events = allEvents;\n      events.forEach(event => enabledStateEvents[event] = true);\n    };\n\n    /**\n     * Disables the deprecated UI-Router 0.2.x State Events\n     * [ '$stateChangeStart', '$stateNotFound', '$stateChangeSuccess', '$stateChangeError' ]\n     */\n    this.disable = function (...events: string[]) {\n      assertNotRuntime();\n      if (!events || !events.length) events = allEvents;\n      events.forEach(event => delete enabledStateEvents[event]);\n    };\n\n    this.enabled = () => enabledStateEvents;\n\n    this.$get = $get;\n    $get.$inject = ['$transitions'];\n    function $get($transitions: TransitionService) {\n      runtime = true;\n\n      if (enabledStateEvents[\"$stateNotFound\"])\n        $stateProvider.onInvalid(stateNotFoundHandler);\n      if (enabledStateEvents.$stateChangeStart)\n        $transitions.onBefore({}, stateChangeStartHandler, { priority: 1000 });\n\n      return {\n        provider: $StateEventsProvider.prototype.instance\n      };\n    }\n  }\n\n\n  angular.module('ui.router.state.events', ['ui.router.state'])\n      .provider(\"$stateEvents\", <IServiceProviderFactory> $StateEventsProvider)\n      .run(['$stateEvents', function ($stateEvents: any) { /* Invokes $get() */\n      }]);\n})();\n"
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