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fork-reap-design

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A high quality UI components Library with Vue.js

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/* istanbul ignore next */ const trim = string => (string || '').replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g, ''); /* istanbul ignore next */ const hasClass = (el, cls) => { if (!el || !cls) return false; if (cls.indexOf(' ') !== -1) throw new Error('className should not contain space.'); if (el.classList) { return el.classList.contains(cls); } return ` ${el.className} `.indexOf(` ${cls} `) > -1; }; /* istanbul ignore next */ const addClass = (el, cls) => { if (!el) return; let curClass = el.className; const classes = (cls || '').split(' '); for (let i = 0, j = classes.length; i < j; i++) { const clsName = classes[i]; if (!clsName) continue; if (el.classList) { el.classList.add(clsName); } else { if (!hasClass(el, clsName)) { curClass += ` ${clsName}`; } } } if (!el.classList) { el.className = curClass; } }; /* istanbul ignore next */ const removeClass = (el, cls) => { if (!el || !cls) return; const classes = cls.split(' '); let curClass = ` ${el.className} `; for (let i = 0, j = classes.length; i < j; i++) { const clsName = classes[i]; if (!clsName) continue; if (el.classList) { el.classList.remove(clsName); } else { if (hasClass(el, clsName)) { curClass = curClass.replace(` ${clsName} `, ' '); } } } if (!el.classList) { el.className = trim(curClass); } }; const Transition = { beforeEnter(el) { addClass(el, 'collapse-transition'); if (!el.dataset) el.dataset = {}; el.dataset.oldPaddingTop = el.style.paddingTop; el.dataset.oldPaddingBottom = el.style.paddingBottom; el.style.height = '0'; el.style.paddingTop = 0; el.style.paddingBottom = 0; }, enter(el) { el.dataset.oldOverflow = el.style.overflow; if (el.scrollHeight !== 0) { el.style.height = `${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(el) { // for safari: remove class then reset height is necessary removeClass(el, 'collapse-transition'); el.style.height = ''; el.style.overflow = el.dataset.oldOverflow; }, 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(el) { if (el.scrollHeight !== 0) { // for safari: add class after set height, or it will jump to zero height suddenly, weired addClass(el, 'collapse-transition'); el.style.height = 0; el.style.paddingTop = 0; el.style.paddingBottom = 0; } }, afterLeave(el) { 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; }, }; export default { name: 'CollapseTransition', functional: true, render(h, { children }) { const data = { on: Transition, }; return h('transition', data, children); }, };