Collections

compact

Drop nullish values while retaining 0 and false.

Use it in your component

Standalone component

import { Component } from '@angular/core';
import { JsonPipe } from '@angular/common';
import { CompactPipe } from 'extra-pipe';

@Component({
  standalone: true,
  imports: [CompactPipe, JsonPipe],
  template: `{{ [0,null,false,""] | compact | json }}`,
})
export class ExampleComponent {

}

Template

{{ [0,null,false,""] | compact | json }}

Try it live.

The output below runs the packed library. Edit data, not code.

Input (JSON)Use double quotes for text, or a number, array, object or null.

Parameters (JSON array)No parameters: use []. Locale is controlled separately.

Output localeThis pipe has no locale override.

Live template data

readonly value = [
  0,
  null,
  false,
  ""
] as const;

{{ value | compact | json }}

Rendered output

[
  0,
  false,
  ""
]