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

0 vote135 views1 answer
Function that takes first & last name and then it greets the user using his full name.
TypeScript
0 vote122 views3 answers
Typescript with babel
TypeScript
19 votes122 views1 answer
Typescript remove object from array
TypeScript
0 vote159 views1 answer
Cluster list values python
TypeScript
0 vote116 views1 answer
See tsv in format on command line
TypeScript
0 vote121 views1 answer
Ionic scroll to item programmatically
TypeScript
0 vote148 views2 answers
Linux bash scripts tutorial
TypeScript
1 vote135 views1 answer
Psycopg2 OperationalError: FATAL: unsupported frontend protocol 1234.5679: server supports 2.0 to 3.0
TypeScript
1 vote160 views3 answers
VirtualizedLists should never be nested inside plain ScrollViews with the same orientation - use another VirtualizedList-backed container instead.
TypeScript
0 vote127 views1 answer
Read/write linked lists to file
TypeScript