ngx-tags-input

Installation

To install this library, run:

$ npm install ngx-tags-input --save

Consuming the library

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
 
import { AppComponent } from './app.component';
 
// Import the library
import { NgxTagsInputModule } from 'ngx-tags-input';
 
@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
 
    // Specify the library as an import
    NgxTagsInputModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

Once the library is imported, you can use it in your code

...
<ngx-tags-input class="form-control input-lg" (onTagsChanged)="onTagsChanged($event)" [removeLastOnBackspace]="removeLastOnBackspace" [(ngModel)]="tags" name="tags"></ngx-tags-input>
...

API

Key	Default	Remarks
ngModel	N/A	The variable you whish to bind your tags to. Must be an Array
removeLastOnBackspace	false	Boolean indicating that you can remove the last tag in the row when you press backspace in the input area when it is empty
canDeleteTags	true	Boolean indicating wether tags can be removed or not
canAddTags	true	Boolean indicating wether tags can be added or not
placeholder	''	Placeholder text to display when not tags are present
maxTags	N/A	maximum number tags allowed to select
options	N/A	List of selectable options to add via the typeahead. Can be Array of strings, objects or an Observable for external matching process
displayField	'displayValue'	Name of the property to show in the dropdown
minLengthBeforeOptions	1	The length of the typed string before the dropdown is shown. Putting this to 0 will display it on focus
scrollableOptions	false	Boolean indicator wether the user can scroll in the dropdown
scrollableOptionsInView	5	Amount of options shown in the view when the dropdown is scrollable
onNoOptionsMatch	N/A	Will be called on every keystroke. $event will be true when none of the given options match the entered text
onTagsChanged	N/A	Will be called when a change is made to the tags $event will have the following structure: {change: 'add', tag: {}} where change can be add or remove
onMaxTagsReached	N/A	Will be called when the maximum amount of tags has been reached

Development

Build the library

$ ng build ngx-tags-input

Run the demo app

$ ng serve demo

License

MIT © Maarten Schroeven