dragon-mobile-ui/lib/_CascaderPicker/array-tree-filter.js

UI for react.js

'use strict';

function arrayTreeFilter(data, filterFn, options) {
  options = options || {};
  options.childrenKeyName = options.childrenKeyName || 'children';
  var children = data || [];
  var result = [];
  var level = 0;
  var foundItem = void 0;
  do {
    var _foundItem = children.filter(function (item) {
      return filterFn(item, level);
    })[0];
    if (!_foundItem) {
      break;
    }
    result.push(_foundItem);
    children = _foundItem[options.childrenKeyName] || [];
    level += 1;
  } while (children.length > 0);
  return result;
}

module.exports = arrayTreeFilter;