export async function getImageDimensions(
  file: File,
): Promise<{ width: number; height: number }> {
  return new Promise((resolve, reject) => {
    const objectUrl = URL.createObjectURL(file);
    const image = new window.Image();

    image.onload = () => {
      const width = image.naturalWidth;
      const height = image.naturalHeight;
      URL.revokeObjectURL(objectUrl);

      if (!width || !height) {
        reject(new Error("Could not read image dimensions"));
        return;
      }

      resolve({ width, height });
    };

    image.onerror = () => {
      URL.revokeObjectURL(objectUrl);
      reject(new Error("Could not decode image"));
    };

    image.src = objectUrl;
  });
}