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import { create } from 'zustand'; |
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import { persist, devtools } from 'zustand/middleware'; |
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import { pages } from '@launch/lib/pages'; |
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|
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const store = (set, get) => ({ |
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pages: new Map(pages), |
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currentPageIndex: 0, |
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count: () => get().pages.size, |
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getPageOrder: () => Array.from(get().pages.keys()), |
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getCurrentPageData: () => get().pages.get(get().getCurrentPageSlug()), |
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getPageSlug: (idx) => get().getPageOrder()[idx], |
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getCurrentPageSlug: () => { |
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const page = get().getPageOrder()[get().currentPageIndex]; |
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if (!page) { |
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get().setPage(0); |
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return get().getPageOrder()[0]; |
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} |
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return page; |
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}, |
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getPageData: (slug) => get().pages.get(slug), |
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getPageState: (slug) => get().getPageData(slug)?.state.getState(), |
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getNextPageData: () => { |
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const nextIndex = get().currentPageIndex + 1; |
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if (nextIndex > get().count() - 1) return {}; |
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return get().getPageData(get().getPageSlug(nextIndex)); |
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}, |
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setPage: (page) => { |
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// If page is a string, get the index |
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if (typeof page === 'string') { |
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page = get().getPageOrder().indexOf(page); |
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} |
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if (page > get().count() - 1) return; |
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if (page < 0) return; |
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set({ currentPageIndex: page }); |
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}, |
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removePage: (page) => { |
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const thePage = get().pages.get(page); |
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if (!thePage) return; |
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const newPages = new Map(); |
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get().pages.forEach((value, key) => { |
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if (key !== page) { |
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newPages.set(key, value); |
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} |
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}); |
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set({ pages: newPages }); |
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// If the page has a cleanup function, run it |
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thePage?.state?.getState()?.onRemove(); |
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}, |
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addPage: (page, data, after) => { |
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// If the after page is not found, throw |
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if (!get().pages.has(after)) { |
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throw new Error(`Page ${after} not found`); |
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} |
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// If it already exists return |
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if (get().pages.has(page)) return; |
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const newPages = new Map(); |
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get().pages.forEach((value, key) => { |
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newPages.set(key, value); |
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if (key === after) { |
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newPages.set(page, data); |
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} |
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}); |
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set({ pages: newPages }); |
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}, |
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findPreviousValidPage: (idx) => { |
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let prevIdx = idx; |
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// go back until you find useNav = true |
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do { |
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prevIdx -= 1; |
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} while ( |
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prevIdx > 0 && |
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!get().getPageState(get().getPageSlug(prevIdx))?.useNav |
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); |
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return prevIdx; |
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}, |
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pushHistory: (idx) => { |
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history.pushState( |
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{ |
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currentPageIndex: idx, |
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currentPageKey: get().getPageSlug(idx), |
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previousPageIndex: get().findPreviousValidPage(idx), |
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}, |
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'', |
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); |
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}, |
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replaceHistory: (idx) => { |
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history.replaceState( |
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{ |
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currentPageIndex: idx, |
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currentPageKey: get().getPageSlug(idx), |
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previousPageIndex: get().findPreviousValidPage(idx), |
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}, |
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'', |
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); |
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}, |
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nextPage: () => { |
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const pageIndex = get().currentPageIndex + 1; |
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const nextPageState = get().getPageState(get().getPageSlug(pageIndex)); |
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if (nextPageState?.useNav) get().pushHistory(pageIndex); |
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get().setPage(pageIndex); |
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}, |
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previousPage: () => { |
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get().setPage(get().findPreviousValidPage(get().currentPageIndex)); |
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}, |
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}); |
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|
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const withDevtools = devtools(store, { |
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name: 'Extendify Launch Pages', |
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serialize: true, |
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}); |
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const withPersist = persist(withDevtools, { |
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name: `extendify-pages-${window.extSharedData.siteId}`, |
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partialize: (state) => ({ |
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currentPageIndex: state?.currentPageIndex ?? 0, |
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currentPageSlug: state?.getCurrentPageSlug() ?? null, |
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availablePages: state?.getPageOrder() ?? [], |
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}), |
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}); |
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export const usePagesStore = create(withPersist); |
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