Function getElementId

frontend/lib/src/util/utils.ts:397–407

(element: Element)

 * If the element has a valid ID, returns it. Otherwise, returns undefined.
 */
export function getElementId(element: Element): string | undefined {
  const elementId = get(element as unknown as Record<string, unknown>, [
    requireNonNull(element.type),
    "id",
  ])
  if (elementId && isValidElementId(elementId)) {
    // We only care about valid element IDs (with the correct prefix)
    return elementId
  }
  return undefined
}

/** True if the given form ID is non-null and non-empty. */
export function isValidFormId(formId?: string): formId is string {