vant-weapp/packages/transition/demo/index.ts

import { VantComponent } from '../../common/component';

VantComponent({
  data: {
    show: false,
    name: 'fade',
    showCustom: false,
  },

  methods: {
    onClickFade() {
      this.trigger('fade');
    },

    onClickFadeUp() {
      this.trigger('fade-up');
    },

    onClickFadeDown() {
      this.trigger('fade-down');
    },

    onClickFadeLeft() {
      this.trigger('fade-left');
    },

    onClickFadeRight() {
      this.trigger('fade-right');
    },

    onClickSlideUp() {
      this.trigger('slide-up');
    },

    onClickSlideDown() {
      this.trigger('slide-down');
    },

    onClickSlideLeft() {
      this.trigger('slide-left');
    },

    onClickSlideRight() {
      this.trigger('slide-right');
    },

    trigger(name) {
      this.setData({ name, show: true });
      setTimeout(() => {
        this.setData({ show: false });
      }, 500);
    },

    onClickCustom() {
      this.setData({ showCustom: true });

      setTimeout(() => {
        this.setData({ showCustom: false });
      }, 1000);
    },

    onBeforeEnter() {
      console.log('before enter');
    },

    onEnter() {
      console.log('enter');
    },

    onAfterEnter() {
      console.log('after enter');
    },

    onBeforeLeave() {
      console.log('before leave');
    },

    onLeave() {
      console.log('leave');
    },

    onAfterLeave() {
      console.log('after leave');
    },
  },
});