ngx-barcode-scanner
Angular 9+ Barcode scanner using Quagga. This project was generated with Ngx Lib Starter version 0.0.1.
Installation
$ npm install @eisbeg-labs/ngx-barcode-scanner --saveUsage
First import to your module:
@NgModule({
declarations: [
AppComponent
],
imports: [
NgxBarcodeScannerModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }And use in your component html
<ngx-barcode-scanner [(value)]="value" [codes]="['code_128', 'ean', 'upc', 'upc_e', 'ean_8']" [errorThreshold]="0.1" (exception)="onError($event)"></ngx-barcode-scanner>Supported API
Properties
| @Input() | Type | Required | Default | Description |
|---|---|---|---|---|
| codes | string, string[] | required | ['code_128', 'ean', 'ean_8', 'code_39', 'code_39_vin', 'codabar', 'upc', 'upc_e', 'i2of5', '2of5', 'code_93'] | Type of barcode algorithm to detect. Supported are code_128,ean,ean_8,code_39,code_39_vin,codabar,upc,upc_e,i2of5,2of5,code_93. Be aware that more codes you define, more possible false positives, and it might take longer to detect a barcode. |
| config | QuaggaJSConfigObject | optional | undefined | Optional quagga config object (Define camera device id, media constraints ...). |
| errorThreshold | number | optional | 0.1 | Defines threshold of scan detect accuracy. Smaller the value, smaller chance of false positives. |
| value | string | required | undefined | Scan result outputs to value. |
Events
| @Output() | Type | EventType | Required | Description |
|---|---|---|---|---|
| valueChange | EventEmitter | string | required | Scan result updates |
| exception | EventEmitter | any | optional | Error events |
Demo
License
MIT © Eisberg Labs