Function byteArrayToDataUri

src/core/parser-vscode-files.ts:432–437

* Convert a numeric byte array [137,80,78,...] to a base64 data URI.

(arr: number[])

 * Convert a numeric byte array [137,80,78,...] to a base64 data URI.
 */
function byteArrayToDataUri(arr: number[]): string | null {
  if (!Array.isArray(arr) || arr.length < 8) return null;
  const bytes = new Uint8Array(arr);
  const mime = detectMimeType([bytes[0], bytes[1]]);
  return `data:${mime};base64,${Buffer.from(bytes).toString('base64')}`;
}

interface RawImageVariable {
  kind?: string;