/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 vote133 views1 answer
Angular two datepickers
Javascript AngularJS
0 vote130 views1 answer
Angular http loader
Javascript AngularJS
0 vote116 views1 answer
Material icon button angular
Javascript AngularJS
0 vote127 views1 answer
Placing card on center in angular flex layout
Javascript AngularJS
1 vote123 views1 answer
Select onchange pass option value in angular 6
Javascript AngularJS
0 vote130 views1 answer
Recuperer une image dans la base de données avec angular
Javascript AngularJS
10 votes182 views6 answers
Refresh page angular
Javascript AngularJS
-1 vote148 views1 answer
Date range picker in angular 8
Javascript AngularJS
1 vote138 views1 answer
Nativeelement angular add class
Javascript AngularJS
5 votes135 views2 answers
How to append element in array angular
Javascript AngularJS