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毎回必ず忘れて調べてしまうAngularJS1.x系のHttpInterceptor(TypeScript)の定義方法を自分のためだけにここに記す。

Posted at

1.Interceptor作る

httpInterceptor.ts
export default class HttpInterceptor implements ng.IHttpInterceptor {
    static factory($q: ng.IQService,
                    $log: ng.ILogService): HttpInterceptor {
        return new HttpInterceptor($q, $log)
    }

    constructor(
        private q: ng.IQService,
        private log: ng.ILogService) {
    }

    request = (config: ng.IRequestConfig): ng.IRequestConfig => {
        // 必要なヘッダ情報詰め込む
        config.headers['Hoge'] = 'Hoge'
        this.log.debug('Request:', config)
        return config
    }

    requestError = (rejection: any)=> {
        // ステータスによって処理を分岐
        if (rejection.status == 404) {

        }
        return this.q.reject(rejection)
    }


    response = <T>(response: ng.IHttpPromiseCallbackArg<T>): ng.IPromise<T> => {
        this.log.debug('Response:', response)
        return this.q.when(response)
    }

    responseError = (rejection: any)=> {
        // ステータスによって処理を分岐
        if (rejection.status == 404) {

        }
        return this.q.reject(rejection)
    }
}

2.Interceptor登録する

app.ts
import angular = require('angular')
import HttpInterceptor from './interceptors/http-interceptor'

let app = angular.module('App', [
    // 必要なmodule入れてください
]);

app.config(['$routeProvider', '$httpProvider', '$logProvider',
    ($routeProvider: ng.route.IRouteProvider,
     $httpProvider: ng.IHttpProvider,
     $logProvider: ng.ILogProvider)=>{

    // 開発中はデバッグメッセージを表示に
    $logProvider.debugEnabled(true);

    $routeProvider
        .when('/', {
            template: require('../views/login.html'),
            controller: 'LoginCtrl',
            controllerAs: '$ctrl'
        })
        .otherwise({
            redirectTo: '/'
        });

    // interceptor登録
    $httpProvider.interceptors.push(HttpInterceptor.factory)
}])
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