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import Masonry from 'react-masonry-css' |
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import { |
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useEffect, |
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useState, |
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useCallback, |
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useRef, |
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memo, |
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} from '@wordpress/element' |
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import { Spinner, Button } from '@wordpress/components' |
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import { __, sprintf } from '@wordpress/i18n' |
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import { useTemplatesStore } from '../state/Templates' |
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import { Templates as TemplatesApi } from '../api/Templates' |
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import { useInView } from 'react-intersection-observer' |
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import { useIsMounted } from '../hooks/helpers' |
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import { ImportTemplateBlock } from '../components/ImportTemplateBlock' |
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import { useGlobalStore } from '../state/GlobalState' |
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|
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export const GridView = memo(function GridView() { |
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const isMounted = useIsMounted() |
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const templates = useTemplatesStore((state) => state.templates) |
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const appendTemplates = useTemplatesStore((state) => state.appendTemplates) |
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const [serverError, setServerError] = useState('') |
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const [nothingFound, setNothingFound] = useState(false) |
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const [loading, setLoading] = useState(false) |
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const [loadMoreRef, inView] = useInView() |
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const searchParamsRaw = useTemplatesStore((state) => state.searchParams) |
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const currentType = useGlobalStore((state) => state.currentType) |
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const resetTemplates = useTemplatesStore((state) => state.resetTemplates) |
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|
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// Store the next page in case we have pagination |
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const nextPage = useRef(useTemplatesStore.getState().nextPage) |
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const searchParams = useRef(useTemplatesStore.getState().searchParams) |
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const taxonomyType = |
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searchParams.current.type === 'pattern' ? 'patternType' : 'layoutType' |
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const currentTax = searchParams.current.taxonomies[taxonomyType] |
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|
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// Subscribing to the store will keep these values updates synchronously |
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useEffect(() => { |
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return useTemplatesStore.subscribe( |
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(n) => (nextPage.current = n), |
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(state) => state.nextPage, |
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) |
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}, []) |
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useEffect(() => { |
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return useTemplatesStore.subscribe( |
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(s) => (searchParams.current = s), |
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(state) => state.searchParams, |
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) |
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}, []) |
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|
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// Fetch the templates then add them to the current state |
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const fetchTemplates = useCallback(() => { |
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setServerError('') |
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setNothingFound(false) |
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const defaultError = __( |
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'Unknown error occured. Check browser console or contact support.', |
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'extendify', |
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) |
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const args = { offset: nextPage.current } |
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TemplatesApi.get(searchParams.current, args) |
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.then((response) => { |
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if (!isMounted.current) return |
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if (response?.error?.length) { |
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setServerError(response?.error) |
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return |
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} |
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if (response?.records?.length <= 0) { |
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setNothingFound(true) |
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return |
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} |
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if ( |
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searchParamsRaw === searchParams.current && |
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response?.records.length |
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) { |
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useTemplatesStore.setState({ |
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nextPage: response?.offset ?? '', |
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}) |
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appendTemplates(response.records) |
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setLoading(false) |
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} |
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}) |
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.catch((error) => { |
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if (!isMounted.current) return |
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console.error(error) |
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setServerError(defaultError) |
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}) |
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}, [appendTemplates, isMounted, searchParamsRaw]) |
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|
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useEffect(() => { |
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if (templates.length === 0) { |
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setLoading(true) |
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return |
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} |
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}, [templates.length, searchParamsRaw]) |
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|
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// This is the main driver for loading templates |
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// This loads the initial batch of templates. But if we don't yet have taxonomies. |
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// There's also an option to skip loading on first mount |
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useEffect(() => { |
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if (!Object.keys(searchParams.current.taxonomies).length) { |
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return |
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} |
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|
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if (useTemplatesStore.getState().skipNextFetch) { |
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// This is useful if the templates are fetched already and |
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// the library moves to/from another state that re-renders |
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// The point is to keep the logic close to the list. That may change someday |
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useTemplatesStore.setState({ |
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skipNextFetch: false, |
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}) |
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return |
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} |
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fetchTemplates() |
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}, [fetchTemplates, searchParams]) |
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|
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// Fetches when the load more is in view |
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useEffect(() => { |
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nextPage.current && inView && fetchTemplates() |
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}, [inView, fetchTemplates, templates]) |
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|
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if (serverError.length) { |
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return ( |
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<div className="text-left"> |
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<h2 className="text-left">{__('Server error', 'extendify')}</h2> |
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<code |
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className="block max-w-xl p-4 mb-4" |
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style={{ minHeight: '10rem' }}> |
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{serverError} |
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</code> |
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<Button |
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isTertiary |
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onClick={() => resetTemplates() && fetchTemplates()}> |
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{__('Press here to reload')} |
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</Button> |
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</div> |
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) |
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} |
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|
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if (nothingFound) { |
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return ( |
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<div className="flex h-full items-center justify-center w-full -mt-2 sm:mt-0"> |
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<h2 className="text-sm text-extendify-gray font-normal"> |
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{sprintf( |
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searchParams.current.type === 'template' |
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? __( |
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'We couldn\'t find any layouts in the "%s" category.', |
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'extendify', |
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) |
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: __( |
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'We couldn\'t find any patterns in the "%s" category.', |
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'extendify', |
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), |
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currentTax?.title ?? currentTax.slug, |
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)} |
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</h2> |
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</div> |
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) |
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} |
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|
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return ( |
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<> |
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{loading && ( |
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<div className="flex h-full items-center justify-center w-full -mt-2 sm:mt-0"> |
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<Spinner /> |
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</div> |
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)} |
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|
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<Grid type={currentType} templates={templates}> |
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{templates.map((template) => { |
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return ( |
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<ImportTemplateBlock |
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maxHeight={ |
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currentType === 'template' ? 520 : 'none' |
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} |
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key={template.id} |
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template={template} |
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/> |
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) |
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})} |
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</Grid> |
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|
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{nextPage.current && ( |
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<> |
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<div className="my-20"> |
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<Spinner /> |
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</div> |
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{/* This is a large div that, when in view, will trigger more patterns to load */} |
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<div |
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className="-translate-y-full flex flex-col items-end justify-end relative transform" |
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ref={loadMoreRef} |
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style={{ |
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zIndex: -1, |
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marginBottom: '-100%', |
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height: |
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currentType === 'template' ? '150vh' : '75vh', |
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}} |
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/> |
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</> |
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)} |
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</> |
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) |
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}) |
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|
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const Grid = ({ type, children }) => { |
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const sharedClasses = 'relative min-h-screen z-10 pb-40 pt-0.5' |
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switch (type) { |
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case 'template': |
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return ( |
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<div |
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className={`grid lg:grid-cols-2 gap-6 md:gap-8 ${sharedClasses}`}> |
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{children} |
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</div> |
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) |
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} |
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const breakpointColumnsObj = { |
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default: 3, |
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1600: 2, |
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860: 1, |
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599: 2, |
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400: 1, |
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} |
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return ( |
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<Masonry |
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breakpointCols={breakpointColumnsObj} |
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className={`flex -ml-6 md:-ml-8 w-auto px-0.5 ${sharedClasses}`} |
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columnClassName="pl-6 md:pl-8 bg-clip-padding space-y-6 md:space-y-8"> |
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{children} |
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</Masonry> |
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) |
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} |
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|
