@angular/router-deprecated/src/rules/route_handlers/async_route_handler.js

"use strict";
var lang_1 = require('../../facade/lang');
var instruction_1 = require('../../instruction');
var AsyncRouteHandler = (function () {
    function AsyncRouteHandler(_loader, data) {
        if (data === void 0) { data = null; }
        this._loader = _loader;
        /** @internal */
        this._resolvedComponent = null;
        this.data = lang_1.isPresent(data) ? new instruction_1.RouteData(data) : instruction_1.BLANK_ROUTE_DATA;
    }
    AsyncRouteHandler.prototype.resolveComponentType = function () {
        var _this = this;
        if (lang_1.isPresent(this._resolvedComponent)) {
            return this._resolvedComponent;
        }
        return this._resolvedComponent = this._loader().then(function (componentType) {
            _this.componentType = componentType;
            return componentType;
        });
    };
    return AsyncRouteHandler;
}());
exports.AsyncRouteHandler = AsyncRouteHandler;
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