hongluan-ui/lib/components/collapse-transition/src/collapse-transition.js

Hongluan Component Library for Vue 3

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var vue = require('vue');
var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');

const _sfc_main = vue.defineComponent({
  name: "CollapseTransition",
  setup() {
    const reset = (el) => {
      el.style.maxHeight = "";
      el.style.overflow = el.dataset.oldOverflow;
      el.style.paddingTop = el.dataset.oldPaddingTop;
      el.style.paddingBottom = el.dataset.oldPaddingBottom;
    };
    return {
      on: {
        beforeEnter(el) {
          if (!el.dataset)
            el.dataset = {};
          el.dataset.oldPaddingTop = el.style.paddingTop;
          el.dataset.oldPaddingBottom = el.style.paddingBottom;
          if (el.style.height)
            el.dataset.elExistsHeight = el.style.height;
          el.style.maxHeight = 0;
          el.style.paddingTop = 0;
          el.style.paddingBottom = 0;
        },
        enter(el) {
          requestAnimationFrame(() => {
            el.dataset.oldOverflow = el.style.overflow;
            if (el.dataset.elExistsHeight) {
              el.style.maxHeight = el.dataset.elExistsHeight;
            } else if (el.scrollHeight !== 0) {
              el.style.maxHeight = `${el.scrollHeight}px`;
            } else {
              el.style.maxHeight = 0;
            }
            el.style.paddingTop = el.dataset.oldPaddingTop;
            el.style.paddingBottom = el.dataset.oldPaddingBottom;
            el.style.overflow = "hidden";
          });
        },
        afterEnter(el) {
          el.style.maxHeight = "";
          el.style.overflow = el.dataset.oldOverflow;
        },
        enterCancelled(el) {
          reset(el);
        },
        beforeLeave(el) {
          if (!el.dataset)
            el.dataset = {};
          el.dataset.oldPaddingTop = el.style.paddingTop;
          el.dataset.oldPaddingBottom = el.style.paddingBottom;
          el.dataset.oldOverflow = el.style.overflow;
          el.style.maxHeight = `${el.scrollHeight}px`;
          el.style.overflow = "hidden";
        },
        leave(el) {
          if (el.scrollHeight !== 0) {
            el.style.maxHeight = 0;
            el.style.paddingTop = 0;
            el.style.paddingBottom = 0;
          }
        },
        afterLeave(el) {
          reset(el);
        },
        leaveCancelled(el) {
          reset(el);
        }
      }
    };
  }
});
function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
  return vue.openBlock(), vue.createBlock(vue.Transition, vue.mergeProps({ name: "collapse-transition" }, vue.toHandlers(_ctx.on)), {
    default: vue.withCtx(() => [
      vue.renderSlot(_ctx.$slots, "default")
    ]),
    _: 3
  }, 16);
}
var CollapseTransition = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["render", _sfc_render]]);

exports["default"] = CollapseTransition;
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