Function isUserErrorEmbedMessage

src/core/error/message-helpers.js:44–46

(message)

 * @return {boolean} Whether this message was a a user error from an iframe embed.
 */
export function isUserErrorEmbedMessage(message) {
  return message.indexOf(USER_ERROR_EMBED_SENTINEL) >= 0;
}

/**
 * Strips the user error sentinel from an error message.