@mucfe/matui/lib/transitions/collapse-transition.js

基于Vue和ElementUi的PC组件库

"use strict";

exports.__esModule = true;
exports.default = void 0;

var _dom = require("@mucfe/matui/lib/utils/dom");

var Transition = {
  beforeEnter: function beforeEnter(el) {
    (0, _dom.addClass)(el, 'collapse-transition');
    if (!el.dataset) el.dataset = {};
    el.dataset.oldPaddingTop = el.style.paddingTop;
    el.dataset.oldPaddingBottom = el.style.paddingBottom;
    el.style.height = '0';
    el.style.paddingTop = 0;
    el.style.paddingBottom = 0;
  },
  enter: function enter(el) {
    el.dataset.oldOverflow = el.style.overflow;

    if (el.scrollHeight !== 0) {
      el.style.height = el.scrollHeight + 'px';
      el.style.paddingTop = el.dataset.oldPaddingTop;
      el.style.paddingBottom = el.dataset.oldPaddingBottom;
    } else {
      el.style.height = '';
      el.style.paddingTop = el.dataset.oldPaddingTop;
      el.style.paddingBottom = el.dataset.oldPaddingBottom;
    }

    el.style.overflow = 'hidden';
  },
  afterEnter: function afterEnter(el) {
    // for safari: remove class then reset height is necessary
    (0, _dom.removeClass)(el, 'collapse-transition');
    el.style.height = '';
    el.style.overflow = el.dataset.oldOverflow;
  },
  beforeLeave: function 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.height = el.scrollHeight + 'px';
    el.style.overflow = 'hidden';
  },
  leave: function leave(el) {
    if (el.scrollHeight !== 0) {
      // for safari: add class after set height, or it will jump to zero height suddenly, weired
      (0, _dom.addClass)(el, 'collapse-transition');
      el.style.height = 0;
      el.style.paddingTop = 0;
      el.style.paddingBottom = 0;
    }
  },
  afterLeave: function afterLeave(el) {
    (0, _dom.removeClass)(el, 'collapse-transition');
    el.style.height = '';
    el.style.overflow = el.dataset.oldOverflow;
    el.style.paddingTop = el.dataset.oldPaddingTop;
    el.style.paddingBottom = el.dataset.oldPaddingBottom;
  }
};
var _default = {
  name: 'MatCollapseTransition',
  functional: true,
  render: function render(h, _ref) {
    var children = _ref.children;
    var data = {
      on: Transition
    };
    return h('transition', data, children);
  }
};
exports.default = _default;