angular

Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of “text/html”

by

This error usually happens because you deployment was into a subfolder, so it seems like Angular is fetching you app directly from your base URL, so your html is found when you go to your domain.com/mysubfolder/index.html, but as the Angular fetches your resources from domain.com/index.html instead of domain.com/mysubfolder/index.html; I’m pretty sure this is the cause … Read more

Angular: How to correctly implement APP_INITIALIZER

by

Due to how APP_INTIALIZER works, it’s expected that asynchronous initializers return promises, but your implementation of APP_INTIALIZER multiprovider doesn’t because loadConfigurationData function doesn’t return anything. It should be something like: loadConfigurationData(): Promise<Configuration> { return this.http.get<Configuration>(`${this.originUrl}${this.configUrlPath}`) .do(result => { this.configData = result; }) .toPromise(); }

Unable to get Angular CLI version, though all the requirements are installed?

by

Angular CLI requires a current, active LTS, or maintenance LTS version of Node (https://angular.io/guide/setup-local#nodejs). which version 11 isn’t. Node.JS 11 is no longer supported by the Node.Js team as after six months, odd-numbered releases (9, 11, etc.) become unsupported. More info: https://nodejs.org/en/about/releases Solution : Upgrade Node version to 12+

Replace deprecated Angular ComponentFactoryResolver, ComponentFactory

by

In Angular 13 the new API removes the need for ComponentFactoryResolver being injected into the constructor, like you did in your code. Now to dynamically create a component you have to use ViewContainerRef.createComponent without using the factory. So, instead of using const compFactory: ComponentFactory<any> = this.resolver.resolveComponentFactory(DynamicTableComponent); you can do: import {ViewContainerRef} from ‘@angular/core’; /** your … Read more

punycode is deprecated in npm – what should I replace it with?

by

Recently I faced this same issue. I highly recommend you use the LTS(long term support) version of the node. You can validate the version here: https://nodejs.org/en when I’m writing this answer the node LTS version is 20.10.0 so then in your command line you should perform: $nvm install 20.10.0 $nvm use 20.10.0 This solves the … Read more

Angular 5 ngHide, ngShow, and [hidden] not working

by

If you want to just toggle visibility and still keep the input in DOM: <input class=”txt” type=”password” [(ngModel)]=”input_pw” [style.visibility]=”isHidden? ‘hidden’: ‘visible'”> The other way around is as per answer by @rrd, which is to use HTML hidden attribute. If the hidden attribute on an HTML element is set to true, browsers are supposed to hide … Read more

Is it necessary to unsubscribe from observables created by Http methods to avoid memory leaks?

by

So the answer is no, you don’t. Ng2 will clean it up itself. The Http service source, from Angular’s Http XHR backend source: Notice how it runs the complete() after getting the result. This means it actually unsubscribes on completion. So you don’t need to do it yourself. Here is a test to validate: fetchFilms() … Read more

How to add BrowserAnimationsModule or NoopAnimationsModule to Standalone Component?

by

The importProvidersFrom function provides a bridge back to the NgModule world. It should not be used in component provide as it is only usable in an application injector Add importProvidersFrom function to provide BrowserAnimationModule inside main.ts. main.ts bootstrapApplication(AppComponent,{ providers:[importProvidersFrom([BrowserAnimationsModule])] }); Forked Example Update Angular 14+ Angular new versions provide two new function provideAnimations() and provideNoopAnimations() … Read more