Function fetchFileBASE64

src/utils.ts:44–53

(url: string)

}

export async function fetchFileBASE64(url: string): Promise<string> {
  const response = await fetch(url);
  const arrayBuffer = await response.arrayBuffer();
  const bytes = new Uint8Array(arrayBuffer);
  let binary = "";
  for (let i = 0; i < bytes.byteLength; i++) {
    binary += String.fromCharCode(bytes[i]);
  }
  return btoa(binary);
}

export function isBASE64Data(value: string): boolean {
  return typeof value === "string" && /^data:/.test(value);