/Javascript/AngularJS/Convert file to blob in angular

Convert file to blob in angular

changeFile(file) {
    return new Promise((resolve, reject) => {
        const reader = new FileReader();
        reader.readAsDataURL(file);
        reader.onload = () => resolve(reader.result);
        reader.onerror = error => reject(error);
    });
}

uploadFile(event) {
    if (event.target.value) {
        const file = event.target.files[0];
        const type = file.type;
        this.changeFile(file).then((base64: string): any => {
            console.log(base64);
            this.fileBlob = this.b64Blob([base64], type);
            console.log(this.fileBlob)
        });
    } else alert('Nothing')
}

Source: stackoverflow.com

Similar codes

3 votes241 views1 answer
Data binding on checkbox angular
Javascript AngularJS
0 vote234 views1 answer
Pattern validator angular
Javascript AngularJS
0 vote238 views1 answer
Count same product with price in angular
Javascript AngularJS
0 vote223 views2 answers
Set @Output through modalref angular
Javascript AngularJS
-1 vote234 views1 answer
Change the focus to next in angular forms
Javascript AngularJS
0 vote223 views3 answers
Input on change angular 2
Javascript AngularJS
0 vote234 views1 answer
Set form invalid angular
Javascript AngularJS
1 vote216 views1 answer
Angular wait all subscriptions
Javascript AngularJS
4 votes257 views2 answers
@angular/fire has missing dependencies
Javascript AngularJS
0 vote214 views1 answer
Angular download blob pdf
Javascript AngularJS