Awesome
ngx-nullish
🔨 Angular Structural Directive which replace *ngIf
by Nullish Coalescing operator.
Give a ⭐️ if this project helped you!
Motivation
Nobody likes "Falsy Values".
When in your stream (RxJS) are numbers (include 0),
*ngIf
will coerce 0
to false
, means UI will not update.
Preview 🎉
https://piecioshka.github.io/ngx-nullish-demo/
Features
- ✅ Returns falsy only for:
null
,undefined
*ngIf
returns falsy for:null
,undefined
,0
,-0
,false
,NaN
,''
Installation
npm install ngx-nullish
Usage
-
Import deps
import { NgxNullishModule } from 'ngx-nullish'; @NgModule({ imports: [ ... NgxNullishModule ], ... }) export class AppModule { }
-
Update template
<p *ngIf="numbers$ | async as num"> {{ num }} </p>
replace to:
<p *ngxNullish="numbers$ | async as num"> {{ num }} </p>
Deployment
Please run a script:
./scripts/deploy.sh
License
The MIT License @ 2020