"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/** @internalapi @module hooks */ /** */
var predicates_1 = require("../common/predicates");
var coreservices_1 = require("../common/coreservices");
var targetState_1 = require("../state/targetState");
/**
 * A [[TransitionHookFn]] that redirects to a different state or params
 *
 * Registered using `transitionService.onStart({ to: (state) => !!state.redirectTo }, redirectHook);`
 *
 * See [[StateDeclaration.redirectTo]]
 */
var redirectToHook = function (trans) {
    var redirect = trans.to().redirectTo;
    if (!redirect)
        return;
    var $state = trans.router.stateService;
    function handleResult(result) {
        if (!result)
            return;
        if (result instanceof targetState_1.TargetState)
            return result;
        if (predicates_1.isString(result))
            return $state.target(result, trans.params(), trans.options());
        if (result['state'] || result['params'])
            return $state.target(result['state'] || trans.to(), result['params'] || trans.params(), trans.options());
    }
    if (predicates_1.isFunction(redirect)) {
        return coreservices_1.services.$q.when(redirect(trans)).then(handleResult);
    }
    return handleResult(redirect);
};
exports.registerRedirectToHook = function (transitionService) {
    return transitionService.onStart({ to: function (state) { return !!state.redirectTo; } }, redirectToHook);
};
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