trauquen / study-notes-angular

Study Notes on Angular

This project was generated with [Angular CLI] and Nx.

Return undefined when get value from property of Object.

Format your object with JSON.parse(JSON.stringify(user)) or Object.assign(user), refer to auth.service.ts.

Common Cli command.

ng new project-name --routing --style scss --prefix pb
ng generate module shared --module app
ng serve --configuration=qa

ng update @angular/core @angular/cli
ng update @angular/material

ng test --no-watch --code-coverage

Using switchMap in pipe() to switch from one observable to the other.

Fix FormArray Error: Cannot find control with path: 'powers -> i'.

Wrap formControlName with [] in template like below:

<p *ngFor="let power of powers.controls; let i=index">
  <label>Power:</label><input type="text" [formControlName]="i">
  <mat-icon class="icon" (click)="removePowerAt(i)">close</mat-icon>
</p>