/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

12 votes280 views5 answers
Update angular 10
Javascript AngularJS
47 votes407 views6 answers
Adding bootstrap to angular
Javascript AngularJS
1 vote345 views1 answer
What is the best way to conditionally apply attributes in AngularJS?
Javascript AngularJS
0 vote318 views1 answer
News Application With Angular and Material Design
Javascript AngularJS
0 vote290 views1 answer
Angular download blob pdf
Javascript AngularJS
0 vote328 views1 answer
Get all form errors angular
Javascript AngularJS
15 votes313 views3 answers
Forloop angular
Javascript AngularJS
0 vote329 views1 answer
Localhost:3000 ad is not working with outlook angular 8
Javascript AngularJS
0 vote302 views1 answer
How to refresh page angular
Javascript AngularJS
0 vote286 views1 answer
Tinymce-angular load slow
Javascript AngularJS