sub/lib/DOM/CharacterData.js

A subset of the DOM environment for running Rule.js on the server

"use strict";

var Node = require('./Node').Node;
var initializeNode = require('./Node').initializeNode;

/*
 * CharacterData
 */
var CharacterData, initializeCharacterData;
CharacterData = (function () {

  // Extension
  (function (child, parent) {
    function CharacterData() {
      this.constructor = child;
    }
    CharacterData.prototype = parent.prototype;
    child.prototype = new CharacterData();
  }(CharacterData, Node));

  // Prototype
  (function () {
    // These properties within defineProperties should not be in the element
    // prototype, this is a speed optimization, as the call to defineProperties
    // is expensive when called on every element initialization.
    // On the actual DOM, these properties belong to the object itself,
    // not the prototype.
    Object.defineProperty(CharacterData.prototype, 'length', {
      configurable: true,
      get: (function(){
        return this.data.length;
      }).bind(this)
    });
    CharacterData.prototype.appendData = function (data) {
      this.data += data;
    };
  }());

  // Constructor
  function CharacterData() {
    throw new TypeError('Illegal constructor');
  }

  return CharacterData;
}());

initializeCharacterData = function (string) {
  initializeNode.apply(this, arguments);
  this.data = String(string);
};

exports.CharacterData = CharacterData;
exports.initializeCharacterData = initializeCharacterData;