"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
var core_1 = require('@angular/core');
var nav_controller_1 = require('./nav-controller');
/**
 * @name NavPop
 * @description
 * Directive for declaratively pop the current page off from the navigation stack.
 *
 * @usage
 * ```html
 * <ion-content>
 *
 *  <button navPop>Go Back</button>
 *
 * </ion-content>
 * ```
 *
 * Similar to {@link /docs/v2/api/components/nav/NavPush/ `NavPush` }
 * @demo /docs/v2/demos/navigation/
 * @see {@link /docs/v2/components#navigation Navigation Component Docs}
 * @see {@link ../NavPush NavPush API Docs}
 */
var NavPop = (function () {
    function NavPop(_nav) {
        this._nav = _nav;
        if (!_nav) {
            void 0;
        }
    }
    /**
     * @private
     */
    NavPop.prototype.onClick = function () {
        this._nav && this._nav.pop();
    };
    NavPop = __decorate([
        core_1.Directive({
            selector: '[nav-pop]',
            host: {
                '(click)': 'onClick()',
                'role': 'link'
            }
        }),
        __param(0, core_1.Optional()), 
        __metadata('design:paramtypes', [nav_controller_1.NavController])
    ], NavPop);
    return NavPop;
}());
exports.NavPop = NavPop;
