Created
February 24, 2023 16:13
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AngularX download file directive
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| <button mat-flat-button class="download-btn" onDownloadFile | |
| [downloadFunc]="downloadCsr.bind(this)" | |
| [contentType]="'application/pkcs10'" | |
| [fileName]="cert.commonName + '.pem'"> | |
| {{'certificate.detail.downloadCSR' | translate}} | |
| </button> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| @Directive({ | |
| selector: '[onDownloadFile]' | |
| }) | |
| export class DownloadFileDirective { | |
| @Input() downloadFunc: () => Observable<string[]> = () => of(); | |
| @Input() contentType: string = ''; | |
| @Input() fileName: string = ''; | |
| @HostListener('click', ['$event']) | |
| onClick() { | |
| this.downloadFunc().subscribe((value: string[]) => this.downloadFile( | |
| new Blob(value, {type: this.contentType}), | |
| this.fileName | |
| )); | |
| } | |
| downloadFile(data: Blob, fileName: string) { | |
| const a = document.createElement('a'); | |
| const objectUrl = URL.createObjectURL(data); | |
| a.href = objectUrl; | |
| a.download = fileName; | |
| a.click(); | |
| URL.revokeObjectURL(objectUrl); | |
| } | |
| } |
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