ng2-http-loader/loader/ng2-http.js

## ng2-http-loader [](https://github.com/mgechev/angular2-style-guide)

"use strict";
var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
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 core_1 = require('@angular/core');
var http_1 = require('@angular/http');
var rxjs_1 = require('rxjs');
require('rxjs/add/operator/map');
require('rxjs/add/operator/catch');
var ng2_http_loader_emitter_1 = require('./ng2-http-loader-emitter');
var Ng2Http = (function (_super) {
    __extends(Ng2Http, _super);
    function Ng2Http(backend, defaultOptions, injector) {
        _super.call(this, backend, defaultOptions);
        this.injector = injector;
        this.totalRequests = 0;
        this.emitter = injector.get(ng2_http_loader_emitter_1.Ng2HttpLoaderEmitter);
    }
    Ng2Http.prototype.request = function (url, options) {
        return _super.prototype.request.call(this, url, options);
    };
    Ng2Http.prototype.get = function (url, options) {
        var _this = this;
        return rxjs_1.Observable.create(function (observer) {
            _this.onRequest();
            _super.prototype.get.call(_this, (url), options)
                .subscribe(function (res) {
                observer.next(res);
                observer.complete();
            });
        });
    };
    Ng2Http.prototype.post = function (url, body, options) {
        var _this = this;
        return rxjs_1.Observable.create(function (observer) {
            _this.onRequest();
            _super.prototype.post.call(_this, url, body, options).map(function (res) {
                _this.onRequestEnd();
                return res;
            }).subscribe(function (res) {
                observer.next(res);
                observer.complete();
            });
        });
    };
    Ng2Http.prototype.put = function (url, body, options) {
        var _this = this;
        return rxjs_1.Observable.create(function (observer) {
            _this.onRequest();
            _super.prototype.put.call(_this, url, body, options).map(function (res) {
                _this.onRequestEnd();
                return res;
            }).subscribe(function (res) {
                observer.next(res);
                observer.complete();
            });
        });
    };
    Ng2Http.prototype.delete = function (url, options) {
        var _this = this;
        return rxjs_1.Observable.create(function (observer) {
            _this.onRequest();
            _super.prototype.delete.call(_this, url, options).map(function (res) {
                _this.onRequestEnd();
                return res;
            }).subscribe(function (res) {
                observer.next(res);
                observer.complete();
            });
        });
    };
    Ng2Http.prototype.onRequest = function () {
        this.totalRequests++;
        this.emitter.emit({
            action: 'init',
            count: this.totalRequests
        });
    };
    Ng2Http.prototype.onRequestEnd = function () {
        this.totalRequests--;
        this.emitter.emit({
            action: 'end',
            count: this.totalRequests
        });
    };
    Ng2Http = __decorate([
        core_1.Injectable(), 
        __metadata('design:paramtypes', [http_1.ConnectionBackend, http_1.RequestOptions, core_1.Injector])
    ], Ng2Http);
    return Ng2Http;
}(http_1.Http));
exports.Ng2Http = Ng2Http;
// This is to make happy the AoT compiler
function httpLoaderFactory(xhrBackend, requestOptions, injector) {
    return new Ng2Http(xhrBackend, requestOptions, injector);
}
exports.httpLoaderFactory = httpLoaderFactory;