/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

0 vote159 views1 answer
Recuperer une image dans la base de données avec angular
Javascript AngularJS
0 vote145 views1 answer
Toast notification angular bootstrap 8
Javascript AngularJS
62 votes282 views6 answers
Update angular cli
Javascript AngularJS
0 vote271 views1 answer
Angular number pipe to four decimals
Javascript AngularJS
0 vote142 views1 answer
Angular get device information
Javascript AngularJS
0 vote174 views3 answers
Order by ascending descending in angular 6 on click of button
Javascript AngularJS
6 votes168 views2 answers
Auto generate component angular
Javascript AngularJS
6 votes99 views1 answer
Angular 8 limit text length
Javascript AngularJS
0 vote165 views1 answer
Dublin, Edinburgh, Lisbon, London getcurrentdatetime in angularjs
Javascript AngularJS
0 vote109 views1 answer
Angular material inline list
Javascript AngularJS