Function getNonce

packages/react-aria/src/utils/getNonce.ts:37–59

(doc?: Document)

 * Security Policy.
 */
export function getNonce(doc?: Document): string | undefined {
  let d = doc ?? (typeof document !== 'undefined' ? document : undefined);
  if (!d) {
    return getWebpackNonce(d);
  }

  if (nonceCache.has(d)) {
    return nonceCache.get(d);
  }

  let meta = d.querySelector('meta[property="csp-nonce"]');
  let nonce =
    (meta &&
      meta instanceof getOwnerWindow(meta).HTMLMetaElement &&
      (meta.nonce || meta.content)) ||
    getWebpackNonce(d) ||
    undefined;

  if (nonce !== undefined) {
    nonceCache.set(d, nonce);
  }
  return nonce;
}