GroupBy

Angular pipe for grouping items inside *ngFor

Installation

npm i @thiagoprz/group-by

Usage

Add GroupByModule to your component module:

...
import {GroupByModule} from "@thiagoprz/group-by";

@NgModule({
  ...
  GroupByModule
})
export class ComponentModule {}

Apply pipe on *ngFor loop on your template(eg: component.html using ionic ion-list):

...
<ion-list *ngFor="let group of items|groupBy:'field'">
  <ion-list-header>{{ group.key }}</ion-list-header>
  <ion-item *ngFor="let item of group.value; let i = index">
    {{ item.FIELD1 }}
  </ion-item>
</ion-list>
...

API

| Field | Description |
| --------- | ------------------- | | key | Represents the value of the grouping field | | value | Represents grouped items |