Method getDOMAttribute

src/core/a-entity.js:738–743

* If `attr` is a component, returns JUST the component data defined on the entity. * Like a partial version of `getComputedAttribute` as returned component data * does not include applied mixins or defaults. * * If `attr` is not a component, fall back to HTML getAttribute. * * @par

(attr)

   * @returns {object|string} Object if component, else string.
   */
  getDOMAttribute (attr) {
    // If cached value exists, return partial component data.
    var component = this.components[attr];
    if (component) { return component.attrValue; }
    return window.HTMLElement.prototype.getAttribute.call(this, attr);
  }

  addState (state) {
    if (this.is(state)) { return; }