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unimore/pds-2021-g2-nest
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🔧 Immensely improve performance in the RepositoryViewer

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This commit is contained in:
Steffo 2021-05-23 16:07:18 +02:00
parent 6af52643d1
commit 2c57bd0238
Signed by: steffo
GPG key ID: 6965406171929D01
1 changed files with 13 additions and 8 deletions
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13
nest_frontend/components/interactive/BoxRepositoryTweets.js
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@ -1,4 +1,4 @@
import React from "react" import React, { useMemo } from "react"
import BoxFullScrollable from "../base/BoxFullScrollable" import BoxFullScrollable from "../base/BoxFullScrollable"
import SummaryTweet from "./SummaryTweet" import SummaryTweet from "./SummaryTweet"
import Empty from "./Empty" import Empty from "./Empty"
@ -18,13 +18,18 @@ export default function BoxRepositoryTweets({ ...props }) {
const strings = useStrings() const strings = useStrings()
const { tweets } = useRepositoryViewer() const { tweets } = useRepositoryViewer()
let content const content = useMemo(
() => {
if(tweets.length === 0) { if(tweets.length === 0) {
content = <Empty/> return <Empty/>
} }
else { else {
content = tweets.map(tweet => <SummaryTweet key={tweet["snowflake"]} tweet={tweet}/>) return tweets.map(tweet => <SummaryTweet key={tweet["snowflake"]} tweet={tweet}/>)
} }
},
[tweets]
)
return ( return (
<BoxFullScrollable header={strings.tweets} {...props}> <BoxFullScrollable header={strings.tweets} {...props}>