/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 vote276 views1 answer
Angular cli no test
Javascript AngularJS
0 vote308 views1 answer
Angular convert boolean to yes no
Javascript AngularJS
1 vote323 views2 answers
Angular project structure
Javascript AngularJS
1 vote271 views2 answers
Angular route change scroll to top
Javascript AngularJS
-1 vote264 views1 answer
How to do a timer angular
Javascript AngularJS
8 votes293 views3 answers
Formgroup angular
Javascript AngularJS
0 vote333 views5 answers
Using fb login with angular app
Javascript AngularJS
0 vote289 views1 answer
Angular convert response to json
Javascript AngularJS
0 vote275 views1 answer
@angular/[email protected] node_modules/@angular/common @angular/common@"11.2.1" from the root project
Javascript AngularJS
0 vote289 views1 answer
GetFullYear within moment in angular
Javascript AngularJS