Function _createIdMaps

tools/common/_hyperscript.iife.js:3549–3557

(oldNode, newContent)

    return !oldNode.id || oldNode.id === newNode.id;
  }
  function _createIdMaps(oldNode, newContent) {
    var oldIdElements = _queryEltAndDescendants(oldNode, "[id]");
    var newIdElements = newContent.querySelectorAll("[id]");
    var persistentIds = _createPersistentIds(oldIdElements, newIdElements);
    var idMap = /* @__PURE__ */ new Map();
    _populateIdMapWithTree(idMap, persistentIds, oldNode.parentElement, oldIdElements);
    _populateIdMapWithTree(idMap, persistentIds, newContent, newIdElements);
    return { persistentIds, idMap };
  }
  function _createPersistentIds(oldIdElements, newIdElements) {
    var duplicateIds = /* @__PURE__ */ new Set(), oldIdTagNameMap = /* @__PURE__ */ new Map();
    for (var { id, tagName } of oldIdElements) {