【发布时间】:2016-10-27 21:22:54
【问题描述】:
我刚开始使用 TypeScript,所以我认为这是非常愚蠢的事情。 我浏览了几十个链接,但找不到我的服务实例未定义的确切问题。 所以我的应用程序结构很简单(?): 将 AngularJS 1.5 与 TypeScript 和 Webpack 一起使用。 我的主要应用程序文件如下:
// External
import ng = require("angular");
// App modules
import authIntSvc = require("./security/authInterceptorSvc");
// Note: Can't use require as it returns object and we need function
import localStorageHandler from "./core/localStorageCfg";
import routingHandler from "./uiRoutes";
export
let ptaToolsApp = ng.module('ptaToolsApp', [
'ngRoute', 'ngStorage',
'ptaTools.CoreMod'
]);
ptaToolsApp
.config(routingHandler)
.config(localStorageHandler);
console.info("All Done...! " + new Date());
// Add services
import secSvc = require("./security/SecuritySvc");
ptaToolsApp.service(secSvc.SecuritySvc.IID, secSvc.SecuritySvc);
//import { interceptorInitiator } from "./security/authInterceptorSvc";
ptaToolsApp.service(authIntSvc.authInterceptorSvc.IID, authIntSvc.authInterceptorSvc);
ptaToolsApp.config(authIntSvc.interceptorInitiator);
// Add module controlles - TODO: FInd better way
import {
HomeCtrl
}
from "./userHome/homeCtrl";
ptaToolsApp.controller(HomeCtrl.IID, HomeCtrl);
// App Init --------- Run function ---------------------------------------
function runApp(authSvc: secSvc.SecuritySvc) {
authSvc.checkAuthData();
}
runApp.$inject = [secSvc.SecuritySvc.IID];
// Run App
ptaToolsApp.run(runApp);
// App Init --------- Run function ---------------------------------------
// Dummy requires, just needed for WebPack to pack it in bundle
import coreMod = require("./core/coreModule");
const a1 = coreMod;
import ngRoute = require("angular-route");
const a2 = ngRoute;
import ngStorage = require("ngstorage");
const a3 = ngStorage;
我的拦截器文件如下:
import ng = require("angular");
import {
appLocalStorageSvc
}
from "../core/appLocalStorageSvc";
import * as secModels from "./models";
// implements ng.IHttpInterceptor
export class authInterceptorSvc {
public static readonly IID = "sec.authInterceptorSvc";
static $inject = ['$location', '$q', appLocalStorageSvc.IID];
constructor(private $location: ng.ILocationService, private $q: ng.IQService, private appLocalStorage: appLocalStorageSvc) {
console.info('constructor:: ' + authInterceptorSvc.IID);
}
//public request(reqCfg: ng.IRequestConfig): ng.IRequestConfig {
public request(reqCfg: any): any {
reqCfg.headers = reqCfg.headers || {};
// if ((this.appLocalStorage.authData) && (this.appLocalStorage.authData.isAuth === true))
// reqCfg.headers.Authorization = 'Bearer ' + this.appLocalStorage.authData.oAuthToken;
console.info("in authInterceptorSvc.request");
console.debug(reqCfg);
console.debug(JSON.stringify(this));
return reqCfg;
}
// HTTP Rejection
public responseError(rejection: any) {
if (rejection.status === 401) {
this.$location.path('/login');
return this.$q.reject(rejection);
}
return this.$q.reject(rejection);
}
}
export
function interceptorInitiator($httpProvider: ng.IHttpProvider) {
$httpProvider.interceptors.push(authInterceptorSvc.IID);
}
interceptorInitiator.$inject = ["$httpProvider"];
所以,在上述方法 request(reqCfg: any): any 我已经注释了我需要访问 appLocalStorage 的局部变量的行,我收到错误消息“无法访问 undefined 的属性“appLocalStorage”。
** 我在所有服务构造函数中添加了 console.log(稍后将删除)。 当我页面加载我的应用程序加载正常,直到拦截器被击中。在请求 function 中,我的服务实例是 undefined。请参阅下面的日志:
由于以下原因,我已突出显示“未定义” console.debug(JSON.stringify(this));
我想知道为什么我的 this 在服务中是未定义。
另一个不是什么大问题,我认为,只要练习一下,如果您在主应用文件的末尾看到那些 dummy 行。为什么我需要告诉 webpack 一些基本的东西?
有人可以帮忙吗?
因为我在下面的回答主要问题已经解决了
但是放置虚拟行以便 webpack 捆绑我的文件的小问题仍然存在。
【问题讨论】:
标签: webpack angular-http-interceptors typescript2.0 angularjs-1.5