treem/lib/header.js

High performance conversion of flat data (like SQL result rows) into nested objects.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require("babel-runtime/helpers/createClass");

var _createClass3 = _interopRequireDefault(_createClass2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var Header = function () {
  function Header(name, alias, separator, detect) {
    (0, _classCallCheck3.default)(this, Header);

    this._name = name;
    this._elements = alias.split(separator);
    this._depth = this._elements.length - 1;
    this._property = this._elements[this._depth];
    var isKey = detect.key(this._property);
    if (isKey.check) {
      this._isKey = true;
      this._property = isKey.name;
    } else {
      this._isKey = false;
    }
    this._nodes = [];
    for (var i = 0; i < this._elements.length - 1; i++) {
      var collection = detect.collection(this._elements[i]);
      var _name = collection.check ? collection.name : this._elements[i];
      var isCollection = collection.check;
      this._nodes.push({ name: _name, isCollection: isCollection });
    }
  }

  (0, _createClass3.default)(Header, [{
    key: "isKey",
    value: function isKey() {
      return this._isKey;
    }
  }, {
    key: "name",
    get: function get() {
      return this._name;
    }
  }, {
    key: "depth",
    get: function get() {
      return this._depth;
    }
  }, {
    key: "property",
    get: function get() {
      return this._property;
    }
  }, {
    key: "nodes",
    get: function get() {
      return this._nodes;
    }
  }]);
  return Header;
}();

exports.default = Header;
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