mirror of https://github.com/ElemeFE/element
62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
export default {
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beforeEnter(el) {
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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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enter(el) {
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el.dataset.oldOverflow = el.style.overflow;
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el.style.display = 'block';
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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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afterEnter(el) {
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el.style.display = '';
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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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beforeLeave(el) {
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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.display = 'block';
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if (el.scrollHeight !== 0) {
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el.style.height = el.scrollHeight + 'px';
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}
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el.style.overflow = 'hidden';
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},
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leave(el) {
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if (el.scrollHeight !== 0) {
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setTimeout(() => {
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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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},
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afterLeave(el) {
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el.style.display = 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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};
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