Leveraging TypeScript services in both AngularJS controllers and TypeScript controllers

When I converted my AngularJS Service to TypeScript and used the "export" keyword, it became available for import in a TypeScript controller...

But how can I still inject it into old controllers?

To explain in detail, I am transitioning my controllers to services in TypeScript in preparation for migrating from angularjs to angular 2.x in the future. Here is an example of a service called "equipmentAreaStorageT" using TypeScript...

<reference path="../../Scripts/typings/angularjs/angular.d.ts" />
import { UrlService } from '../../Scripts/app/services/urlService'; 
export class EquipmentAreaStorageT {

keyPrefix = "";
api = "";
index = ""; 
constructor(private isl3UrlService: UrlService) {

    var _this = this; 
    this.keyPrefix = "EquipmentAreaStorageT";
    this.api = "api/equipmentAreaApi/";
    this.index = "EquipmentArea";        
}
getIndexUrl() {
    return this.isl3UrlService.getPath + this.index;
}    
}
angular.module('main').service('equipmentAreaStorageT', EquipmentAreaStorageT);

I know that using the Import keyword should be sufficient for injecting this into a TypeScript Controller.

import { EquipmentAreaStorageT } from '../EquipmentArea/EquipmentAreaStorageT'; 
export class EquipmentAreaControllerT {
$inject = ["$scope"];

entity = {};
isOpen = false;
gridOptions = {}; 
isl3SelectionService = {};
isl3DialogService = {}; 
constructor($scope, private isl3EquipmentAreaStorage: EquipmentAreaStorageT) {    
    var _this = this;

    var ctrl = $controller("baseEditOnGridController", { $scope: this, storage: isl3EquipmentAreaStorage});        

    ctrl.loadRecords();
}
}
angular.module('main').controller('EquipmentAreaControllerT', EquipmentAreaControllerT);

However, I do not want to convert all my Controllers to TypeScript right now. So, how can I use this new TypeScript service in my old .js controller? I tried the following example...

appRoot.controller("EquipmentAreaController", [
"$scope", "equipmentAreaStorageT"
function ($scope, equipmentAreaStorageT) {

    $scope.entity = {};
    $scope.isOpen = false;

    $controller("baseEditOnGridController", { $scope: $scope, storage: equipmentAreaStorageT});

    $scope.loadRecords();

}
]);

But I always get this error: Object.defineProperty(exports, "__esModule", { value: true });

I am working with Visual Studio and have added the necessary types for working with TypeScript.

Answer №1

Simply importing a service in a controller is not the same as injecting it. The imported value can only be used for typescript typings.

To properly work with typescript, make sure to set up your builder (whether it's webpack, gulp, or any other tool you use). Everything will function similarly to javascript, requiring you to still register the service in a module and inject it elsewhere. For those using AngularJs 1.5+, consider utilizing components. Additionally, explore ng-annotate (or its babel plugin) for simplified injection processes.

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