Function toNormalizedEmailSet

icloud-utils.js:72–86

(values = [])

  }

  function toNormalizedEmailSet(values = []) {
    if (values instanceof Set) {
      return new Set(Array.from(values, (item) => String(item || '').trim().toLowerCase()).filter(Boolean));
    }
    if (Array.isArray(values)) {
      return new Set(values.map((item) => String(item || '').trim().toLowerCase()).filter(Boolean));
    }
    if (values && typeof values === 'object') {
      const normalizedMap = normalizeBooleanMap(values);
      return new Set(Object.entries(normalizedMap)
        .filter(([, value]) => value)
        .map(([email]) => email));
    }
    return new Set();
  }

  function findIcloudAliasArray(node, depth = 0) {
    if (!node || depth > 4) return null;