Function firstNonEmptyString

luckmail-utils.js:15–22

(values)

  const LUCKMAIL_EMAIL_TYPES = ['self_built', 'ms_imap', 'ms_graph', 'google_variant'];

  function firstNonEmptyString(values) {
    for (const value of values) {
      if (value === undefined || value === null) continue;
      const normalized = String(value).trim();
      if (normalized) return normalized;
    }
    return '';
  }

  function normalizeText(value) {
    return String(value || '')