File reader with promise

export const fileReader = (file: File) => {
    const reader = new FileReader();

    if(!file) return;

    return new Promise((resolve, reject) => {
        reader.onerror = () => {
            reader.abort();
            reject(new DOMException("Problem parsing input file."));
        }

        reader.readAsDataURL(file);
        reader.onload = (e) => {
            resolve(e.target?.result);
        }
    })
}

Similar codes

-4 votes114 views1 answer
Whats a group of pandas called
TypeScript
1 vote109 views1 answer
Route resource adonis middleware
TypeScript
0 vote187 views1 answer
Git list all commits that changed a file
TypeScript
0 vote106 views1 answer
Angular viewchild second parameter
TypeScript
1 vote111 views2 answers
Passport serializeUser
TypeScript
1 vote113 views1 answer
Create npm module typescript
TypeScript
27 votes231 views3 answers
Styled components in react
TypeScript
0 vote113 views1 answer
Fjnction by parts latex
TypeScript
7 votes103 views2 answers
How to fix from PyQt5 import QtWebEngineWidgets error
TypeScript
0 vote103 views1 answer
Nestjs Monogdb Handel Catch Error
TypeScript