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transition.ts
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transition.ts
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import type { Rule } from '@unocss/core'
import type { Theme } from '../theme'
import { globalKeywords, handler as h, makeGlobalStaticRules } from '../utils'
const transitionPropertyGroup: Record<string, string> = {
all: 'all',
colors: ['color', 'background-color', 'border-color', 'outline-color', 'text-decoration-color', 'fill', 'stroke'].join(','),
none: 'none',
opacity: 'opacity',
shadow: 'box-shadow',
transform: 'transform',
}
const transitionProperty = (prop: string): string | undefined => {
return h.properties(prop) ?? transitionPropertyGroup[prop]
}
export const transitions: Rule<Theme>[] = [
// transition
[/^transition(?:-([a-z-]+(?:,[a-z-]+)*))?(?:-(\d+))?$/, ([, prop, d], { theme }) => {
const p = prop != null
? transitionProperty(prop)
: [transitionPropertyGroup.colors, 'opacity', 'box-shadow', 'transform', 'filter', 'backdrop-filter'].join(',')
if (p) {
const duration = theme.duration?.[d || 'DEFAULT'] ?? h.time(d || '150')
return {
'transition-property': p,
'transition-timing-function': 'cubic-bezier(0.4, 0, 0.2, 1)',
'transition-duration': duration,
}
}
}, { autocomplete: `transition-(${Object.keys(transitionPropertyGroup).join('|')})` }],
// timings
[/^(?:transition-)?duration-(.+)$/,
([, d], { theme }) => ({ 'transition-duration': theme.duration?.[d || 'DEFAULT'] ?? h.bracket.cssvar.time(d) }),
{ autocomplete: ['transition-duration-$duration', 'duration-$duration'] }],
[/^(?:transition-)?delay-(.+)$/,
([, d], { theme }) => ({ 'transition-delay': theme.duration?.[d || 'DEFAULT'] ?? h.bracket.cssvar.time(d) }),
{ autocomplete: ['transition-delay-$duration', 'delay-$duration'] }],
[/^(?:transition-)?ease(?:-(.+))?$/,
([, d], { theme }) => ({ 'transition-timing-function': theme.easing?.[d || 'DEFAULT'] ?? h.bracket.cssvar(d) }),
{ autocomplete: ['transition-ease-(linear|in|out|in-out|DEFAULT)', 'ease-(linear|in|out|in-out|DEFAULT)'] }],
// props
[/^(?:transition-)?property-(.+)$/,
([, v]) => ({ 'transition-property': h.bracket.global(v) || transitionProperty(v) }),
{ autocomplete: [`transition-property-(${[...globalKeywords, ...Object.keys(transitionPropertyGroup)].join('|')})`] }],
// none
['transition-none', { transition: 'none' }],
...makeGlobalStaticRules('transition'),
]