Method updateComponent

src/core/a-entity.js:443–459

* Initialize, update, or remove a single component. * * When initializing, we set the component on `this.components`. * * @param {string} attr - Component name. * @param {object} attrValue - Value of the DOM attribute. * @param {boolean} clobber - If new attrValue completely replac

(attr, attrValue, clobber)

   * @param {boolean} clobber - If new attrValue completely replaces previous properties.
   */
  updateComponent (attr, attrValue, clobber) {
    var component = this.components[attr];

    if (component) {
      // Remove component.
      if (attrValue === null && !checkComponentDefined(this, attr)) {
        this.removeComponent(attr, true);
        return;
      }
      // Component already initialized. Update component.
      component.updateProperties(attrValue, clobber);
      return;
    }

    // Component not yet initialized. Initialize component.
    this.initComponent(attr, attrValue, false);
  }

  /**
   * If `attr` is a component name, detach the component from the entity.