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

3 votes352 views2 answers
Adonis load relationship
TypeScript
0 vote290 views1 answer
Different types of errors in numerical methods
TypeScript
0 vote385 views1 answer
How to create an unknown amount of objects in c++
TypeScript
0 vote282 views1 answer
Set example in typescript
TypeScript
0 vote290 views2 answers
Typescript "variable!: type" notation
TypeScript
0 vote303 views1 answer
Omgsmhwthwhyomgnvm
TypeScript
0 vote332 views2 answers
Adding font in nextjs
TypeScript
0 vote295 views1 answer
Property control in spotfire doest not exist on abstractcontrol
TypeScript
0 vote310 views1 answer
Footer credits with jquery date time
TypeScript
5 votes397 views1 answer
Close ports in windows
TypeScript