Category "angular"

*ngIf not working as expected with observable

So I have these 2 buttons: <a class="router-link nav-item" routerLink="/login" *ngIf="!isLoggedIn$ | async"> Login </a> <a class="router-link

How to use scrollStrategy in MatDialog?

I tried to make a scroll for a dialog in reposition strategy, but it doesn't work for me. const scrollStrategy = this.overlay.scrollStrategies.reposition(); co

Change Multiple CSS property from multiple CSS class dynamically in Angular

In angular, we can easily change the property of a CSS class dynamically, like if I have a class .my-class { background: url('..') } and if I used my-class a

Is it possible to add observables to a combineLatest (or similar) at run time?

I have this use case. A component should NOT be visible when from a list of Boolean observables one of those is true. That is the easy part, for this, I have my

Angular2 - Store Images in Browser cache as Key-value pair form

I'm working in Angular2. In my app, I've to load excessive amount of images. But instead of loading those images for every reload, I want to put those images i

Error: Cannot find module 'webpack' when running npm start on angular 2 webpack starter

I have cloned from here: https://github.com/AngularClass/angular2-webpack-starter Installed, with some warnings: npm install typings webpack-dev-server rimra

Adding content in file in specific place with node js (Like Angular Cli Modify app.module file)

I got the idea that node js its not just for web application for example I can create a console application with node (cli) . and already I have an interest in

ngx-useful-swiper setup in Angular 8 gives error

I followed this guide to set up swiper slider in my Angular 8 application. I get the below error when importing NgxUsefulSwiperModule into app.module.ts ERROR i

How to set global configuration for angular-cli?

I would like to make my ng serve command default with liveReload = false. I tried ng config --global serve.options.liveReload false but I got an Invalid Path e

PrimeNg Calendar: Default time for selecting start date with time - should be start of day time that is 00:00:00

I am using PrimeNg calendar widget with 2 fields that is startDate and endDate. Currently when selecting startDate, It is showing the selected date with curren

Failed at the @angular/[email protected] postinstall script

Hi I can't install the angular cli with npm install -g @angular/[email protected]. I keep getting this : > node ./bin/postinstall/script.js module.js:549 thr

Change the mat-autocomplete width?

It seems like the <mat-autocomplete> width is always the width of the input we're typing in. Is there no way to make it larger? I have a very small input

Material Angular - doesn't work properly

https://material.angular.io/guide/getting-started ng new testapp cd testapp npm install --save @angular/material @angular/cdk npm install --save @angular/anima

Angular 5 - form validation e-mail

i want to solve this problem: Angular 5 - template driven form An input-field has type email. Example: <input type="email" [(ngModel)]="model.email" #email

" npx cap add ios" fails with error "Updating iOS native dependencies with pod install - failed!"

I just created a brand new Ionic app, using command "ionic start myApp blank" I added the necessary angular dependencies to get "ionic serve" working properly.

Angular 5 - Copy to clipboard

I am trying to implement an icon that when clicked will save a variable to the user's clipboard. I have currently tried several libraries and none of them have

npm package seems to be corrupted

I am getting these warnings and then errors at the end. What is the fix? npm WARN deprecated [email protected]: core-js@<3.0 is no longer maintained and not re

Object is possibly 'null' (undefined)

See, this is my code and it is saying few errors, which are: Object is possibly 'null', Property 'style' does not exist on type 'Element'. It is very irritating

'concurently' is not recognized as an internal or external command, operable program or batch file

I try to run angular 2 project. There is package.json: { "name": "angular2-quickstart", "version": "1.0.0", "scripts": { "start": "concurrently \"npm

Angular 8 - not assignable to AsyncValidatorFn

I'm trying to create custom validator function in reactive form. Code: form.component.ts ... form = new FormGroup({ username: new FormControl('',