91 lines
2.7 KiB
JavaScript
91 lines
2.7 KiB
JavaScript
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'use strict';
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exports.__esModule = true;
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var _dom = require('element-ui/lib/utils/dom');
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var Transition = function () {
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function Transition() {
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_classCallCheck(this, Transition);
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}
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Transition.prototype.beforeEnter = function beforeEnter(el) {
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(0, _dom.addClass)(el, 'collapse-transition');
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if (!el.dataset) el.dataset = {};
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el.dataset.oldPaddingTop = el.style.paddingTop;
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el.dataset.oldPaddingBottom = el.style.paddingBottom;
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el.style.height = '0';
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el.style.paddingTop = 0;
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el.style.paddingBottom = 0;
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};
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Transition.prototype.enter = function enter(el) {
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el.dataset.oldOverflow = el.style.overflow;
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if (el.scrollHeight !== 0) {
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el.style.height = el.scrollHeight + 'px';
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el.style.paddingTop = el.dataset.oldPaddingTop;
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el.style.paddingBottom = el.dataset.oldPaddingBottom;
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} else {
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el.style.height = '';
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el.style.paddingTop = el.dataset.oldPaddingTop;
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el.style.paddingBottom = el.dataset.oldPaddingBottom;
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}
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el.style.overflow = 'hidden';
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};
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Transition.prototype.afterEnter = function afterEnter(el) {
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// for safari: remove class then reset height is necessary
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(0, _dom.removeClass)(el, 'collapse-transition');
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el.style.height = '';
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el.style.overflow = el.dataset.oldOverflow;
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};
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Transition.prototype.beforeLeave = function beforeLeave(el) {
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if (!el.dataset) el.dataset = {};
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el.dataset.oldPaddingTop = el.style.paddingTop;
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el.dataset.oldPaddingBottom = el.style.paddingBottom;
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el.dataset.oldOverflow = el.style.overflow;
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el.style.height = el.scrollHeight + 'px';
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el.style.overflow = 'hidden';
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};
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Transition.prototype.leave = function leave(el) {
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if (el.scrollHeight !== 0) {
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// for safari: add class after set height, or it will jump to zero height suddenly, weired
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(0, _dom.addClass)(el, 'collapse-transition');
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el.style.height = 0;
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el.style.paddingTop = 0;
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el.style.paddingBottom = 0;
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}
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};
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Transition.prototype.afterLeave = function afterLeave(el) {
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(0, _dom.removeClass)(el, 'collapse-transition');
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el.style.height = '';
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el.style.overflow = el.dataset.oldOverflow;
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el.style.paddingTop = el.dataset.oldPaddingTop;
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el.style.paddingBottom = el.dataset.oldPaddingBottom;
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};
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return Transition;
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}();
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exports.default = {
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name: 'ElCollapseTransition',
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functional: true,
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render: function render(h, _ref) {
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var children = _ref.children;
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var data = {
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on: new Transition()
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};
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return h('transition', data, children);
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}
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};
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