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createTransition.ts
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createTransition.ts
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// Utilities
import { h, Transition, TransitionGroup } from 'vue'
import { genericComponent, propsFactory } from '@/util'
// Types
import type { FunctionalComponent, PropType } from 'vue'
export const makeTransitionProps = propsFactory({
disabled: Boolean,
group: Boolean,
hideOnLeave: Boolean,
leaveAbsolute: Boolean,
mode: String,
origin: String,
}, 'transition')
export function createCssTransition (
name: string,
origin?: string,
mode?: string
) {
return genericComponent()({
name,
props: makeTransitionProps({
mode,
origin,
}),
setup (props, { slots }) {
const functions = {
onBeforeEnter (el: HTMLElement) {
if (props.origin) {
el.style.transformOrigin = props.origin
}
},
onLeave (el: HTMLElement) {
if (props.leaveAbsolute) {
const { offsetTop, offsetLeft, offsetWidth, offsetHeight } = el
el._transitionInitialStyles = {
position: el.style.position,
top: el.style.top,
left: el.style.left,
width: el.style.width,
height: el.style.height,
}
el.style.position = 'absolute'
el.style.top = `${offsetTop}px`
el.style.left = `${offsetLeft}px`
el.style.width = `${offsetWidth}px`
el.style.height = `${offsetHeight}px`
}
if (props.hideOnLeave) {
el.style.setProperty('display', 'none', 'important')
}
},
onAfterLeave (el: HTMLElement) {
if (props.leaveAbsolute && el?._transitionInitialStyles) {
const { position, top, left, width, height } = el._transitionInitialStyles
delete el._transitionInitialStyles
el.style.position = position || ''
el.style.top = top || ''
el.style.left = left || ''
el.style.width = width || ''
el.style.height = height || ''
}
},
}
return () => {
const tag = props.group ? TransitionGroup : Transition
return h(tag as FunctionalComponent, {
name: props.disabled ? '' : name,
css: !props.disabled,
...(props.group ? undefined : { mode: props.mode }),
...(props.disabled ? {} : functions),
}, slots.default)
}
},
})
}
export function createJavascriptTransition (
name: string,
functions: Record<string, any>,
mode = 'in-out'
) {
return genericComponent()({
name,
props: {
mode: {
type: String as PropType<'in-out' | 'out-in' | 'default'>,
default: mode,
},
disabled: Boolean,
},
setup (props, { slots }) {
return () => {
return h(Transition, {
name: props.disabled ? '' : name,
css: !props.disabled,
// mode: props.mode, // TODO: vuejs/vue-next#3104
...(props.disabled ? {} : functions),
}, slots.default)
}
},
})
}