Questions tagged [ngxs]

Experience the futuristic NGXS framework, offering cutting-edge state management for Angular applications with an innovative Event Sourcing approach.

Enhancing State Management with Multiple @Select Decorators in NGXS

I have a variety of @Selects within a component structured like this: @Select(ItemState.getMode) mode: Observable<Item>; @Select(QuestionState.SingleQuestion) question: Observable<Question>; @Select(ItemState.getItemNames) itemNames: Observabl ...

What causes old data to linger in component and how to effectively clear it out

Fetching data from NGXS state involves multiple steps. First, we define the state with a default list and loading indicator: @State<CollectionsStateModel>({ name: 'collections', defaults: { collectionList: [], (...), isListLoading: true, }, }) ...

Is it recommended to exclude the NGXS NgxsLoggerPluginModule for production deployments?

When developing, it's common to use the following imports: import { NgxsReduxDevtoolsPluginModule } from '@ngxs/devtools-plugin'; import { NgxsLoggerPluginModule } from '@ngxs/logger-plugin'; Is it recommended to remove these imports for production build ...

Retrieve a particular item using the NGXS selector and incorporate it into the template

I am retrieving stored configuration settings from an API. Each setting includes an 'ID' and several properties like 'numberOfUsers', etc. I am utilizing NGXS for managing the state. My goal is to specifically fetch the 'numberOfUsers' property and use i ...

Experimenting with NGXS selectors: A comprehensive guide

Hey there, I am currently utilizing the NGXS state management library in my application. I have a selector set up like this and everything seems to be functioning correctly. However, while testing the app, I encountered the following error message: "PrintI ...

"Unlock the power of NGXS by leveraging the raw state values

I'm having trouble locating an example in the NGXS documentation that demonstrates how to properly type the state object. Specifically, I am looking for guidance on typing the return value of the snapshot method of Store. For instance: this.store.snapsho ...

What is the method to verify that an Action was sent from one Action to another in NGXS?

I've been utilizing NGXS extensively throughout an application, but there are certain tasks that I still struggle to accomplish in a satisfactory manner. The documentation and other questions on this topic haven't provided the answers I seek. One ...

The journey of an Angular and NGXS store application culminates in a seamless loop of store updates

Currently, I am utilizing NGXS as the store mechanism in my application. Within the store, there is a list of conditions that are displayed using the RuleEngineAddViewStepperConditionComponent component and the *ngFor directive on the UI. Each condition ha ...

NGXS Alert: Unable to resolve parameters for TranslationEditorState: (?)

I'm currently implementing NGXS for state management within my Angular 9 application. I've encountered a specific issue where any attempt at dependency injection in one of the state classes results in an error message stating "Error: Can't r ...

Differences between Pipe and Tap when working with ngxsWhen working with

While experimenting with pipe and subscribe methods, I encountered an issue. When using pipe with tap, nothing gets logged in the console. However, when I switch to using subscribe, it works perfectly. Can you help me figure out what I'm doing wrong? impo ...

Using Angular, Typescript, and ngxs to manage state observables, one may wonder what exactly a variable ending with an exclamation mark (!) signifies. An example of this can be seen in the following code snippet:

Within my TS file, a declaration is present: import { Select } from '@ngxs/store'; @Injectable() export class someService { @Select(someSELECTOR) varName$!: Observable<someType[]>; elements$ = this.varName$.pipe( map(elements => elements.ma ...

The NGXS state does not get updated when a lazy loaded component is used

Recently, I started experimenting with the new lazy loaded components in Angular 9. I have a stateful component using NGXS with its state being lazy loaded in a module close to the component. However, after the component renders, the store does not update ...

Cross-origin resource sharing (CORS) seems to be creating a barrier for the communication between my Angular

During the process of developing an Angular and NestJS app with NGXS for state management, I encountered a CORS error while serving my application. The error message in the console indicated: Access to XMLHttpRequest at 'localhost:333/api/product-i ...

What is the best way to send an action based on the HTTP method being used?

I've been utilizing NGXS for handling state in my angular project. What would be considered a best practice? Should I make the HTTP call first and then dispatch an action within its subscription? Or should I dispatch the action first and then make t ...

Steps to resolve the 'Cannot assign value to userInfo$ property of [object Object] that only has getter' issue in Angular

I am currently in the process of building a web application using NGXS, and I'm encountering a specific error that I'm trying to troubleshoot. The issue arises when I attempt to fetch data from an API and display it within a column on the page. Despite suc ...

Retrieve a specific value from the NGXS state by providing a parameter

I have a unique situation where my state contains JSON data like this: {id: "1", name: "ig1", description: "ig 11"} {id: "5", name: "hhh", description: "hhh"} {id: "6", name: "ggg", description: "hhh"} My goal is to specifically extract the data for id = ...