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import { useState, useEffect } from '@wordpress/element' |
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import { Transition } from '@headlessui/react' |
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import classNames from 'classnames' |
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import Color from 'color' |
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import Skeleton, { SkeletonTheme } from 'react-loading-skeleton' |
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import 'react-loading-skeleton/dist/skeleton.css' |
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|
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export const SkeletonLoader = ({ theme, context }) => { |
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const [highlightColor, setHighlightColor] = useState() |
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const color = theme?.color ?? '#000000' |
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const bgColor = theme?.bgColor ?? '#cccccc' |
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|
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useEffect(() => { |
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const id = requestAnimationFrame(() => { |
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if (!theme?.color) return |
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const hl = Color(color).isLight() |
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? darkenBy(Color(color), 0.15).hexa() |
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: lightenBy(Color(color), 0.15).hexa() |
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setHighlightColor(hl) |
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}) |
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return () => cancelAnimationFrame(id) |
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}, [color, bgColor, theme?.color]) |
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|
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return ( |
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<div |
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className={classNames({ |
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'group w-full overflow-hidden relative min-h-full button-focus button-card': |
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context === 'style', |
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})}> |
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<Transition |
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appear={true} |
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show={!highlightColor} |
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leave="transition-opacity duration-1000" |
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leaveFrom="opacity-100" |
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leaveTo="opacity-0" |
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className="absolute inset-0 z-10 bg-white"> |
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<div |
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className={classNames({ |
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'm-2 p-2 pt-1': context === 'style', |
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'p-2': context !== 'style', |
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})}> |
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<SkeletonParts |
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highlightColor="hsl(0deg 0% 75%)" |
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color="hsl(0deg 0% 80%)" |
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/> |
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</div> |
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</Transition> |
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{/* If a theme is passed in, render a second skeleton under it so we can fade into it */} |
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{Boolean(highlightColor) && ( |
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<div |
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className="overflow-hidden absolute inset-0 opacity-30" |
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style={{ |
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zIndex: -1, |
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}}> |
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<div |
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className={classNames({ |
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'm-2 p-2 pt-1': context === 'style', |
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'p-2': context !== 'style', |
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})} |
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style={{ |
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backgroundColor: bgColor, |
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textAlign: 'initial', |
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}}> |
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<SkeletonParts |
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highlightColor={highlightColor} |
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color={color} |
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/> |
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</div> |
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</div> |
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)} |
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</div> |
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) |
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} |
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|
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const SkeletonParts = ({ color, highlightColor }) => { |
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return ( |
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<SkeletonTheme |
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duration={2.3} |
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baseColor={color} |
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highlightColor={highlightColor}> |
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<Skeleton className="h-36 mb-5 rounded-none" /> |
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<div className="flex flex-col items-center"> |
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<div> |
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<Skeleton className="w-28 h-4 mb-1 rounded-none" /> |
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</div> |
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<div> |
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<Skeleton className="w-44 h-4 mb-1 rounded-none" /> |
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</div> |
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<div> |
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<Skeleton className="w-12 h-6 mb-1 rounded-none" /> |
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</div> |
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</div> |
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<div className="px-4"> |
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<Skeleton className="h-24 my-5 rounded-none" /> |
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<div className="flex justify-between gap-4"> |
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<div> |
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<div> |
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<Skeleton className="w-40 h-4 mb-1 rounded-none" /> |
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</div> |
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<div> |
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<Skeleton className="w-40 h-4 mb-1 rounded-none" /> |
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</div> |
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<div> |
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<Skeleton className="w-40 h-4 mb-1 rounded-none" /> |
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</div> |
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</div> |
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<div> |
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<div> |
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<Skeleton className="w-24 h-4 mb-1 rounded-none" /> |
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</div> |
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<div> |
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<Skeleton className="w-24 h-4 mb-1 rounded-none" /> |
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</div> |
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</div> |
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</div> |
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</div> |
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</SkeletonTheme> |
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) |
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} |
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|
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const lightenBy = (color, ratio) => { |
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const lightness = color.lightness() |
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return color.lightness(lightness + (100 - lightness) * ratio) |
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} |
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|
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const darkenBy = (color, ratio) => { |
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const lightness = color.lightness() |
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return color.lightness(lightness - lightness * ratio) |
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} |
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