@fesjs/fes-design/es/_util/directives/sticky.js

fes-design for PC

import { nextTick } from 'vue';
import sticky$1 from 'stickybits';

const stickyInstanceList = new WeakMap();
function create(el, binding) {
  if (binding.arg) {
    nextTick(() => {
      const stickyInstance = sticky$1(el, binding.value);
      stickyInstanceList.set(el, stickyInstance);
    });
  }
}
function clean(el) {
  const stickyInstance = stickyInstanceList.get(el);
  if (stickyInstance) {
    stickyInstance.cleanup();
    stickyInstanceList.delete(el);
  }
}
function update(el, binding) {
  const stickyInstance = stickyInstanceList.get(el);
  if (stickyInstance) {
    if (binding.arg) {
      nextTick(() => {
        stickyInstance.update(binding.value);
      });
    } else {
      clean(el);
    }
  } else {
    create(el, binding);
  }
}
var sticky = {
  beforeMount(el, binding) {
    create(el, binding);
  },
  updated(el, binding) {
    update(el, binding);
  },
  unmounted(el) {
    clean(el);
  }
};

export { sticky as default };