frontend/src/utils/convert-image-to-base-64.ts

export const convertImageToBase64 = (file: File): Promise<string> =>
  new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.onloadend = () => {
      resolve(reader.result as string);
    };
    reader.onerror = reject;
    reader.readAsDataURL(file);
  });