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 votes295 views1 answer
Typescript string interpolation
TypeScript
1 vote285 views1 answer
Did you mean 'requestFullscreen'?
TypeScript
2 votes301 views1 answer
Merge properties of object typescript
TypeScript
0 vote327 views1 answer
From the three types of styling, which one is the most useful in terms of website optimization?
TypeScript
6 votes305 views3 answers
Any typescript
TypeScript
34 votes354 views6 answers
Top wishlisted games on steam
TypeScript
15 votes319 views4 answers
Typescript clear array
TypeScript
0 vote286 views1 answer
Reddit requests 429
TypeScript
0 vote281 views1 answer
The Android Gradle plugin supports only Kotlin Gradle plugin version 1.3.40 and higher. The following dependencies do not satisfy the required version: project ':video_compress' -> org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.31
TypeScript
4 votes301 views2 answers
Push in typescript
TypeScript