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import { BlockPreview } from '@wordpress/block-editor'; |
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import { rawHandler } from '@wordpress/blocks'; |
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import { |
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useState, |
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useRef, |
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useCallback, |
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useEffect, |
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useMemo, |
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} from '@wordpress/element'; |
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import { __ } from '@wordpress/i18n'; |
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import { pageNames } from '@shared/lib/pages'; |
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import classNames from 'classnames'; |
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import { colord } from 'colord'; |
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import { AnimatePresence, motion } from 'framer-motion'; |
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import themeJSON from '@launch/_data/theme-processed.json'; |
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import { usePreviewIframe } from '@launch/hooks/usePreviewIframe'; |
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import { getFontOverrides } from '@launch/lib/preview-helpers'; |
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import { hexTomatrixValues, lowerImageQuality } from '@launch/lib/util'; |
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|
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export const SmallPreview = ({ style, onSelect, selected, siteTitle }) => { |
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const previewContainer = useRef(null); |
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const blockRef = useRef(null); |
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const observer = useRef(null); |
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const [ready, setReady] = useState(false); |
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const variation = style?.variation; |
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const theme = variation?.settings?.color?.palette?.theme; |
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|
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const onLoad = useCallback( |
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(frame) => { |
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// Run this 150 times at an interval of 100ms (15s) |
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// This is a brute force check that the styles are there |
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let lastRun = performance.now(); |
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let counter = 0; |
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|
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const variationStyles = themeJSON[variation?.title]; |
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const { customFontLinks, fontOverrides } = getFontOverrides(variation); |
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|
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const checkOnStyles = () => { |
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if (counter >= 150) return; |
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const now = performance.now(); |
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if (now - lastRun < 100) return requestAnimationFrame(checkOnStyles); |
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lastRun = now; |
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const content = frame?.contentDocument; |
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if (content) { |
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content.querySelector('[href*=load-styles]')?.remove(); |
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const siteTitleElement = content.querySelector('[href*=site-title]'); |
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if (siteTitleElement) siteTitleElement.textContent = siteTitle; |
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} |
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const primaryColor = theme?.find( |
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({ slug }) => slug === 'primary', |
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)?.color; |
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const [r, g, b] = primaryColor |
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? hexTomatrixValues(primaryColor) |
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: [0, 0, 0]; |
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|
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// Add custom font links if not already present |
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if ( |
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customFontLinks && |
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!frame.contentDocument?.querySelector('[id^="ext-custom-font"]') |
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) { |
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frame.contentDocument?.head?.insertAdjacentHTML( |
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'beforeend', |
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customFontLinks, |
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); |
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} |
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|
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if (!frame.contentDocument?.getElementById('ext-tj')) { |
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frame.contentDocument?.body?.insertAdjacentHTML( |
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'beforeend', |
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`<style id="ext-tj"> |
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${variationStyles} |
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${fontOverrides} |
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.wp-block-missing { display: none !important } |
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img.custom-logo, [class*=wp-duotone-] img[src^="data"] { |
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filter: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg"><filter id="solid-color"><feColorMatrix color-interpolation-filters="sRGB" type="matrix" values="0 0 0 0 ${r} 0 0 0 0 ${g} 0 0 0 0 ${b} 0 0 0 1 0"/></filter></svg>#solid-color') !important; |
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} |
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</style>`, |
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); |
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} |
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|
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counter++; |
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requestAnimationFrame(checkOnStyles); // recursive |
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}; |
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checkOnStyles(); |
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}, |
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[variation, theme, siteTitle], |
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); |
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|
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const { loading, ready: show } = usePreviewIframe({ |
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container: blockRef.current, |
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ready, |
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onLoad, |
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loadDelay: 2000, |
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}); |
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const blocks = useMemo(() => { |
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const links = [ |
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pageNames.about.title, |
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pageNames.blog.title, |
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pageNames.contact.title, |
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]; |
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|
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const code = [ |
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style?.headerCode, |
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style?.patterns |
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.map(({ code }) => code) |
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.flat() |
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.slice(0, 3) |
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.join('\n'), |
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style?.footerCode, |
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] |
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.filter(Boolean) |
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.join('') |
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.replace( |
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// <!-- wp:navigation --> <!-- /wp:navigation --> |
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/<!-- wp:navigation[.\S\s]*?\/wp:navigation -->/g, |
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`<!-- wp:paragraph {"className":"tmp-nav"} --><p class="tmp-nav" style="word-spacing: 1.25rem;">${links.join(' ')}</p ><!-- /wp:paragraph -->`, |
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) |
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.replace( |
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// <!-- wp:navigation /--> |
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/<!-- wp:navigation.*\/-->/g, |
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`<!-- wp:paragraph {"className":"tmp-nav"} --><p class="tmp-nav" style="word-spacing: 1.25rem;">${links.join(' ')}</p ><!-- /wp:paragraph -->`, |
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) |
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.replace( |
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/<!-- wp:site-logo.*\/-->/g, |
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'<!-- wp:paragraph {"className":"custom-logo"} --><p class="custom-logo" style="display:flex; align-items: center;"><img alt="" class="custom-logo" style="height: 32px;" src="https://assets.extendify.com/demo-content/logos/extendify-demo-logo.png"></p ><!-- /wp:paragraph -->', |
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); |
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return rawHandler({ HTML: lowerImageQuality(code) }); |
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}, [style]); |
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|
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useEffect(() => { |
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if (observer.current) return; |
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observer.current = new IntersectionObserver((entries) => { |
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entries[0].isIntersecting && setReady(true); |
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}); |
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observer.current.observe(blockRef.current); |
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return () => observer.current.disconnect(); |
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}, []); |
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|
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return ( |
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<> |
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<div |
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data-test="layout-preview" |
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className="relative h-full w-full overflow-hidden" |
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ref={blockRef} |
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role={onSelect ? 'button' : undefined} |
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tabIndex={onSelect ? 0 : undefined} |
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aria-label={ |
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onSelect ? __('Press to select', 'extendify-local') : undefined |
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} |
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aria-selected={onSelect ? selected : undefined} |
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onKeyDown={(e) => { |
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if (['Enter', 'Space', ' '].includes(e.key)) { |
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onSelect && onSelect({ ...style, variation }); |
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} |
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}} |
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onClick={onSelect ? () => onSelect({ ...style, variation }) : () => {}}> |
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{ready ? ( |
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<motion.div |
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ref={previewContainer} |
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className={classNames('absolute inset-0 z-20', { |
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'opacity-0': !show, |
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})} |
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initial={{ opacity: 0 }} |
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animate={{ opacity: loading ? 0 : 1 }}> |
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<BlockPreview |
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blocks={blocks} |
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viewportWidth={1400} |
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additionalStyles={[ |
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// TODO: { css: themeJSON[style.variation.title] }, |
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{ |
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css: '.rich-text [data-rich-text-placeholder]:after { content: "" }', |
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}, |
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]} |
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/> |
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</motion.div> |
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) : null} |
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<AnimatePresence> |
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{show || ( |
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<motion.div |
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initial={{ opacity: 0.7 }} |
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animate={{ opacity: 1 }} |
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exit={{ opacity: 0 }} |
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transition={{ duration: 0.5 }} |
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className="absolute inset-0 z-30" |
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style={{ |
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backgroundColor: colord( |
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theme?.find(({ slug }) => slug === 'primary')?.color ?? |
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'#ccc', |
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) |
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.alpha(0.25) |
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.toRgbString(), |
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backgroundImage: |
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'linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%)', |
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backgroundSize: '600% 600%', |
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animation: |
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'extendify-loading-skeleton 10s ease-in-out infinite', |
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}} |
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/> |
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)} |
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</AnimatePresence> |
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</div> |
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</> |
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); |
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}; |
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|
