client/components/mixins/perfectScrollbar.js


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const { isTouchDevice } = Utils;

Mixins.PerfectScrollbar = BlazeComponent.extendComponent({
  onRendered() {
    if (!isTouchDevice()) {
      const component = this.mixinParent();
      const domElement = component.find('.js-perfect-scrollbar');
      Ps.initialize(domElement);

      // XXX We should create an event map to be consistent with other components
      // but since BlazeComponent doesn't merge Mixins events transparently I
      // prefered to use a jQuery event (which is what an event map ends up doing)
      component.$(domElement).on('mouseenter', () => Ps.update(domElement));
    }
  },
});