Function updateCache

src/modules/treeTable.js:115–124

(id, childrenKey, data)

  };

  var updateCache = function (id, childrenKey, data) {
    var tableCache = table.cache[id];
    layui.each(data || tableCache, function (index, item) {
      var itemDataIndex = item[LAY_DATA_INDEX] || '';
      if (itemDataIndex.indexOf('-') !== -1) {
        tableCache[itemDataIndex] = item;
      }
      item[childrenKey] && updateCache(id, childrenKey, item[childrenKey]);
    });
  };

  var updateOptions = function (id, options, reload) {
    var that = getThisTable(id);