How do I incorporate core functions into Angular services and controllers within my app?

(ANGULAR-JS)

I am working with a function called locationChange(x, y) that has two arguments and is located in core/services.

var locationChange = function(x, y) {
    return new Promise(function(resolve, reject) {
        ---

Now, I need to utilize this function in app/js/services/controllers but I am unsure how to do so.

angularApp.controller('EditLocationController,function(...'

What steps should I take to link it?

Answer №1

UPDATE: The original poster has edited the post to clarify that they are referring to the previous version of Angular, but the concept remains the same. Implement a service and inject it into your component.

I'm assuming you're discussing Angular (v2+) rather than AngularJS.

Typically, you would define your functions within a service, such as:

@Injectable()
export class MyService{

  constructor() { }

  myMethod(): {
    ...
  }

}

Afterwards, you can inject the service into a component to access its functions, like so:

import { MyService} from '...';

@Component({
  selector: '...',
  templateUrl: '...',
  styleUrls: ['...']
})
export class MyComponent {

  constructor(private service: MyService) { }

  this.service.myMethod()
}

Answer №2

One of the key features in AngularJS 1 is the ability to create a service module that encapsulates functions and can be utilized within directives.

Service

(function() {
   'use strict';

   // Implementing a service
   angular.module('your.library.module', [])
   .factory('mylib', function() {

     return {
       locationChange : function(x, y) {
         ...
       }, 
       myOtherFunction : function() {
         ...
       }
   }
});

Directive

(function() {
   'use strict';    

   angularApp = angular.module('your.module', [ 'your.library.module' ]);
   ...
   angularApp.controller('EditLocationController', ['mylib', function(mylib) {
      mylib.locationChange (x,y);
   }]);
})

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