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Caching fetched resources

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This commit is contained in:
mrfry 2021-06-09 09:48:31 +02:00
parent 7e93e41edc
commit 3daeef184a
12 changed files with 213 additions and 85 deletions
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25
src/pages/index.js
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@ -76,7 +76,7 @@ function updateForumPost(forum, postKey, postData) {
}, {})
}
export default function Index({ globalData }) {
export default function Index({ globalData, globalState, setGlobalState }) {
const userId = globalData.userId
const motd = globalData.motd
const [news, setNews] = useState(null)
@ -84,13 +84,20 @@ export default function Index({ globalData }) {
const [fetchingForum, setFetchingForum] = useState(false)
useEffect(() => {
setFetchingForum(true)
fetchForum().then((res) => {
setFetchingForum(false)
const { entries, nextKey } = res
if (globalState.news) {
const { entries, nextKey } = globalState.news
setNextEntryKey(nextKey)
setNews(entries)
})
} else {
setFetchingForum(true)
fetchForum().then((res) => {
setFetchingForum(false)
const { entries, nextKey } = res
setNextEntryKey(nextKey)
setNews(entries)
setGlobalState({ news: res })
})
}
}, [])
const renderNews = () => {
@ -281,6 +288,12 @@ export default function Index({ globalData }) {
const { entries, nextKey } = res
setNextEntryKey(nextKey)
setNews({ ...news, ...entries })
setGlobalState({
news: {
entries: { ...news, ...entries },
nextKey: nextKey,
},
})
})
}}
>