Questions tagged [angular-promise]

Angular's $q promises are an invaluable tool for controlling the flow of your program. Remember to use the "promise" tag if you have any questions about this topic. It is also suitable for queries related to angular and promises that do not specifically revolve around $q.

Error message in Angular when promises are not defined

Recently, I started working with promises for the first time. I have a function that returns a promise: public DatesGenerator(futercampaign: ICampaign, searchparam: any, i: number): ng.IPromise<any> { return this.$q((resolve, reject) => { ...

Saving resources with a promise in Angular

I am facing a challenge while trying to handle a promise from the angular $resource save function. According to the documentation, I should be able to access the raw $http promise by using the $promise property on the returned object. Here is an example: ...

The controller failed to return a value when utilizing the factory

I am attempting to pass a value from my view to the controller using a function within the ng-click directive. I want to then use this value to send it to my factory, which will retrieve data from a REST API link. However, the value I am sending is not ret ...

Hold off on making any promises regarding Angular 2

Let me start by stating that I have gone through many responses and I am aware that blocking a thread while waiting for a response is not ideal. However, the issue I am facing is quite complex and not as straightforward to resolve. In my advanced project, ...

Using $q.all function in a controller to fetch data from a service and receiving an

For a considerable amount of time, I have been facing some challenges with an API call. Even though the console.log in my service is returning the necessary data, the controller seems to receive an empty object. I suspect there might be an issue with how I ...

Creating a promise in an AngularJS factory function to perform an operation

When working within an Angular factory, I am tasked with creating a function that must return a promise. Once the promise is returned, additional functionality will be added. SPApp.factory('processing', ['$http', '$rootScope', '$q', function ($http, $ ...

Issue with Component: Data is not being injected into controller from ui-router resolve, resulting in undefined data

Encountering an issue with resolve when using a component and ui-router: the data returned after resolving the promise is displaying as "undefined" in the controller. Service: class userService { constructor ($http, ConfigService, authService) { th ...

Developing an uncomplicated Angular promise following the invocation of a service

Delving into the realm of Angular promises for the first time, I'm determined to grasp its concepts. In my MainController, I have a simple authentication process using myAuthSrv.authUser with a username and password. Upon successful authentication (.succe ...

What causes the 'then' method of my angular service to return a resolved promise instead of the expected value?

I am perplexed as to why the "result" in this code snippet is a resolved promise instead of the actual value: searchService.getLink(vm.queryObject).then(function (result) { console.log(result); }); The implementation for the getLink() function is pro ...

AngularJs throw an error when trying to use $q which is not defined on the console

Encountering an error message in the console stating $q is not defined. After doing some investigation, it appears that the .q library has been deprecated as mentioned on If this information is accurate, then it implies that the entire concept of promises ...

Leveraging TypeScript to share information between directives in AngularJS through asynchronous calls

Although I've found some scattered information on how to tackle this issue, I haven't been able to find a solid solution. In my AngularJS application, I have an asynchronous call that fetches data from a server and I need to store it in a variable. This v ...

Unwrapping the potential of $http promise in AngularJS

Starting with AngularJS, I am curious about how to handle the response of "response.data" as a typical function. The issue arises because when using $http, it generates a promise, causing the function to finish execution before returning the server respons ...

Angular service providing a subset of resource data

I am currently working with an Angular factory called DogePrice: .factory('DogePrice', ['$resource', function ($resource) { return $resource("https://chain.so/api/v2/get_info/DOGE"); }]) Usually, the API response looks like this: { "status" : "suc ...

Utilizing AngularJS: Employing the $q Promise Feature to Await Data Readiness in this Scenario

I am currently facing an issue with my Controller and Factory. The Controller initiates an API call in the Factory, but I am struggling to make it wait for the data to be gathered before proceeding. This is where I believe implementing something like $q mi ...

What is the best way to transfer the $http response value to another function?

I currently have these two functions set up. One function, $scope.submit, handles posting data to the server and capturing the response value. The other function, $scope.addTeams, is responsible for adding teams based on the response from $scope.submit. ...

What is the process for altering the "this" keyword within the Controller during construction?

Exploring the Controller as structure feature in AngularJS has been a challenge for me. I am using the 'this' keyword of the controller to store values in a form. While working with the controller, the values are being set by a promise. However, the promi ...

What is the best way to send a promise back from my service to my controller?

While I have posed this question in various forms, I now find myself stuck with a piece of code that contains an elusive bug. My Angular service looks like this: .service("lookupDataService", [ '$q', '$http', '$timeout', function($q, $http, $tim ...

Leverage the output from one $http request in AngularJS to make another $http request

My goal is to use $http to fetch data (such as students), then make another $http call to retrieve studentDetails. Next, I want to add a portion of studentDetails to the students JSON. The tricky part is that I need the response from the first call to cre ...

Converting Promises to Observables

Struggling with the syntax as I delve into learning Angular, I need to transform a promise into an Observable. Let me share what I've encountered: In the function getCountries (subscribed by another utility), there is a call required to fetch a list ...

Obtaining service data results in Angular: A step-by-step guide

To retrieve data from an API, I implemented a controller and service. The service code looks like this: var categories = []; var categoriesjon = function () { $http.get('http://localhost:18737/Category/GetCategories'). success(function (data, ...

angularjs .reject not executing correctly within the then statement

I'm having trouble identifying the bug in my code. For some reason, $q.defer().reject() isn't functioning correctly. defer.resolve works as expected and even reaches the finally segment, but defer.reject (although it doesn't throw an error) doesn't retur ...

Transfer information stored in a promise to the callback function of another controller

When Controller A sends a request via promise, what is the most effective method for running a callback function simultaneously in another Controller B? Is it best to broadcast via a service in the original callback and then listen for it in the other cont ...

Using TypeScript to retrieve a strongly typed promiseValue from an angular $modalInstanceA

New to TypeScript Question: I'm working on returning a strongly typed promise from angular's $modalInstance. Here is an example of what I have: this.$modal.open(options).result.then(result => { At the moment, 'result' is of type 'any'. How c ...

Sequencing numerous promises (managing callbacks)

I am encountering some challenges with promises when it comes to chaining multiple ones. I'm having difficulty distinguishing how to effectively utilize promises and their differences with callbacks. I've noticed that sometimes callbacks are trig ...

Executing multiple AJAX requests with promises in Angular based on an array of values

I have been working on implementing multiple ajax calls in sequence using Angular. Interestingly, everything seems to be working fine when I use $.ajax, but when I switch to using $http for server requests in Angular, things start to go awry. Both methods ...

"Utilizing Promises in AngularJS Factories for Synchronous API Calls

Attempting to implement synchronous calls using a factory pattern. $scope.doLogin = function (username, password, rememberme) { appKeyService.makeCall().then(function (data) { // data = JSON.stringify(data); debugAlert("logi ...

Is it necessary to include a promise in the test when utilizing Chai as Promised?

Documentation provided by Chai as Promised indicates the following: Note: when using promise assertions, either return the promise or notify(done) must be used. Examples from the site demonstrate this concept: return doSomethingAsync().should.eventua ...

AngularJS does not allow access to the variable value outside of the resource service's scope,

I have developed an AngularJS factory service to handle REST calls. The service is functioning correctly, but I am facing a challenge where I need to set values into $scope.variable and access them outside of the resource service. However, when attempting ...

What are some tips for integrating Bluebird into Angular frameworks?

I attempted to integrate Angular with Bluebird promises: Here is the HTML code snippet: <body ng-app="HelloApp"> <div ng-controller="HomeController">{{name}} {{also}}</div> </body> The corresponding JavaScr ...

AngularJS HTTP call response

Below is a snippet of my code: var object = null app.controller("controller",function($scope,service){ $scope.search=function(){ service.findData().then( function successCallback(response){ object = response.data ...

Angular's capability for manipulating data asynchronously

I am relatively new to this, and I am facing difficulties in handling data manipulation in the frontend of an app that I'm currently developing. In my code, there are two functions named "getTipoEtapas()" and "getEtapasporTransfo" which utilize two s ...

Transform the assurance into a JSON entity

Currently facing an issue with converting the promise returned by the service to the controller. My goal is to generate an array of JSON objects using the data within the promise. In the controller, this is what I'm receiving: https://i.stack.imgur.co ...

Exploring the flow of resolve promises in UI-router from the main root state to its sub-states

Currently, I am in the process of developing an Angular application with ui-router. The first step I took was to create a root state that serves as an abstract one intended for resolving asynchronous dependencies. This means that any subsequent sub-states ...

execute the angular service within the "then(function(){})" block

I have a specific requirement where I need to capture a screenshot of a view when the user clicks on a button, send it back to the backend to save as a PDF in the database, and then allow the user to download the same image. Currently, I am utilizing the D ...

Forwarding AngularJS events using socket.io with the use of deferred promises

I recently started using the Angular library angular-socket-io for my project. However, I encountered a challenge where I needed to implement authentication within the app before initializing the socket.io interface. To address this issue, I found and impl ...

do not continue loop if promise is rejected in AngularJS

I've attempted multiple methods, but still haven't found a solution to this issue. Within my code, there is a method called iterator that returns a promise; this method runs in a loop x number of times. If the iterator function returns a rejecte ...

"Dealing with Protractor's promises can be a headache when trying to

Our web tool features multiple html forms, each encompassing a set of form fields. I am exploring ways to use Protractor to extract the list of field labels, input types (such as textboxes, select dropdowns, radio buttons), and input controls for setting v ...

Leveraging the AngularJS promise/defer feature alongside the Quickblox framework, learn how to efficiently upload images and subsequently upload public URLs to a custom

I am currently developing an application that requires users to upload 5 images of themselves. Using a backend-as-a-service platform like Quickblox, I have to create and upload blob files individually. Once each image is uploaded, I receive a success call ...

Stay Alert: Angular Observable Continuously Monitored for Promise Updates

I am currently working on an angular application that has a connection with a printer. The printer possesses its own status service that is implemented as a promise, providing the printer's current status as a response. However, I am facing an issue while ...

Ensuring consistency of Angular route data and maintaining data synchronization

In my Angular application, I have a table that displays a set of items and allows inline editing directly within the table. The data is fetched from an HTTP API through a service, which retrieves the data and injects it into the application. The issue ari ...

Error message stating: "Unable to read property 'then' as it is undefined within Angular nested promises."

I'm having trouble passing data back from a service to a controller in my AngularJS application. The service I am calling inside a factory makes an HTTP request for JSON data and then needs to modify it before returning it to the controller. However, ...

Are you familiar with the concept of personal $pockets?

Why does Angular's $q store everything under the $$state object? I thought that double dollar sign conventionally represents private in Angular, so it seems odd to me in this situation. Is there a mistake in how I've set up my promise? I'm ...

Exploring AngularJS: Understanding the Differences Between $http's Success and Then

Can someone explain the difference between these methods for me? I am curious about the distinctions between .then and .success functions, as well as .error. Thank you. // Simple GET request example: $http({ method: 'GET', url: '/some ...

Retrieving data from the parent controller's $scope once it has been loaded in Angular

In my Angular project, I encountered the following scenario: During the initialization process, I fetch JSON data from a database and assign it to a variable called "data". However, I want to access this "data" variable in a child controller that is nest ...

What is the functionality of an Angular service that retrieves an

It appears that Angularjs services are constructed by passing in a Contructor function: app.service('serviceName', function(){ this.var1 = 'foo'; this.method1 = function(){ } }); Angular executes this function using the new operator. Upon revi ...

Why is my Angular promise unexpectedly landing in the error callback?

I am facing an issue with my Angular + Typescript client. I have developed a PHP API and need to send a post request to it. Upon receiving the request, the server fills the response body with the correct data (verified through server debugging). However, w ...

Angular Promises - Going from the triumph to the disappointment callback?

It seems like I might be pushing the boundaries of what Promises were intended for, but nonetheless, here is what I am attempting to do: $http.get('/api/endpoint/PlanA.json').then( function success( response ) { if ( response.data.is ...

What is the reason for $http.get not requiring a return value?

I am currently developing an angular application and I have a controller that interacts with a service. The controller sends a URL to the service, which then makes a GET request to that URL and receives JSON data in return. Within this JSON data is a URI f ...

Successive vows

I'm trying to retrieve responses from four promises, but I currently have to call each function in sequence one after the other. In my code, you can see that I trigger the next function within the promise callback of the previously called function. H ...

Dealing with numerous promises simultaneously using AngularJS Factory

I have created a code that makes multiple $http calls recursively and saves all the promises it returns in an array. Then, I resolve all of them and save the responses in another array. Now, my question is: How can I efficiently return this final array to ...

Having trouble retrieving the outcome of an asynchronous function call in the $scope of the controller

I decided to enhance the efficiency of my application by restructuring the RESTful call in my angularJS code and moving it to a factory. Here's how I did it: In app.js var myApp = angular.module('myApp', ['ngRoute','ngResource']); In services.js swof.f ...

The result from the AngularJs promise is coming back as undefined

I am facing an issue while trying to implement the login function of my AuthService factory in conjunction with my AuthLoginController controller. The problem arises when the User.login function is triggered with incorrect email and password details, causi ...

Angular does not always interpret the value returned from a Promise.all call

One of the challenges I'm facing is related to the structure of my controller: controller.things = ['a', 'b', 'c']; controller.loading = true; controller.responses = []; controller.handlePromises = function(){ var pr ...

Using Angular JS version 1.2.26 to implement promises within a forEach iteration

I am working on a JavaScript project where I have implemented an angular.forEach loop to iterate over image configuration objects and create Image() objects using the URLs from the config. My goal is to ensure that none of the resulting images are returne ...

From the service to the component, navigating the array in Angular

I'm encountering difficulties with Angular Services and I can't seem to pinpoint the issue. Currently, I am working on a book application that utilizes Promises. To enhance performance, I am restructuring my code by implementing service injection. The ser ...

Error: Can't access the 'http' property because it's undefined in Angular 2

Recently, I successfully integrated the gapi client into my Angular 2 application. However, I am now facing an issue where my http object is showing as undefined and I can't seem to figure out why. Here's the snippet of code that's causing ...

Angular's use of ES6 generator functions allows for easier management of

Recently, I have integrated generators into my Angular project. Here is how I have implemented it so far: function loadPosts(skip) { return $rootScope.spawn(function *() { try { let promise = yield User.findAll(); $time ...

AngularJS has encountered an issue with a route resolve promise that has not been completely resolved

I'm currently working on a simple task to manage user roles within routes. The goal is straightforward: Verify the role of the logged-in user on each route (using a resolve function to authenticate the user based on token or login credentials) Direc ...