code: function addListeners (node) {
    const model = findModel(node);
    // cache the input eventName.
    this._inputEventName = this._inputEventName || getInputEventName(node, model);
  
    onRenderUpdate.call(this, model);
  
    const { onInput, onBlur, onValidate } = createCommonHandlers(this);
    addVNodeListener(node, this._inputEventName, onInput);
    addVNodeListener(node, 'blur', onBlur);
  
    // add the validation listeners.
    this.normalizedEvents.forEach(evt => {
      addVNodeListener(node, evt, onValidate);
    });
  
    this.initialized = true;
  }
docs: Adds all plugin listeners to the vnode.