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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,37 +1,70 @@ | ||
| import { useEffect, useState } from 'react' | ||
| import { useEffect, useRef } from 'react' | ||
| import { createContextState } from 'foxact/create-context-state' | ||
|
|
||
| import { clsxm } from '~/utils/helper' | ||
|
|
||
| const [ | ||
| ArticleElementContextProviderInternal, | ||
| ArticleElementProviderInternal, | ||
| useArticleElement, | ||
| useSetArticleElement, | ||
| ] = createContextState<HTMLDivElement | null>(undefined as any) | ||
|
|
||
| const ArticleElementContextProvider: Component = ({ children, className }) => { | ||
| const [ | ||
| IsEOArticleElementProviderInternal, | ||
| useIsEOArticleElement, | ||
| useSetIsEOArticleElement, | ||
| ] = createContextState<boolean>(false) | ||
|
|
||
| const ArticleElementProvider: Component = ({ children, className }) => { | ||
| return ( | ||
| <ArticleElementContextProviderInternal> | ||
| <Content className={className}>{children}</Content> | ||
| </ArticleElementContextProviderInternal> | ||
| <ArticleElementProviderInternal> | ||
| <IsEOArticleElementProviderInternal> | ||
| <Content className={className}>{children}</Content> | ||
| </IsEOArticleElementProviderInternal> | ||
| </ArticleElementProviderInternal> | ||
| ) | ||
| } | ||
|
|
||
| const Content: Component = ({ children, className }) => { | ||
| const [contentRef, setContentRef] = useState<HTMLDivElement | null>(null) | ||
| const setter = useSetArticleElement() | ||
| useEffect(() => { | ||
| setter(contentRef) | ||
| }, [contentRef, setter]) | ||
|
|
||
| return ( | ||
| <div className={clsxm('relative', className)} ref={setContentRef}> | ||
| <div className={clsxm('relative', className)} ref={setter}> | ||
| {children} | ||
| <EOADetector /> | ||
| </div> | ||
| ) | ||
| } | ||
|
|
||
| const EOADetector: Component = () => { | ||
| const ref = useRef<HTMLDivElement>(null) | ||
| const setter = useSetIsEOArticleElement() | ||
| useEffect(() => { | ||
| if (!ref.current) return | ||
| const $el = ref.current | ||
| const observer = new IntersectionObserver( | ||
| (entries) => { | ||
| const entry = entries[0] | ||
| setter(entry.isIntersecting) | ||
| }, | ||
| { | ||
| rootMargin: '0px 0px 10% 0px', | ||
| }, | ||
| ) | ||
|
|
||
| observer.observe($el) | ||
| return () => { | ||
| observer.unobserve($el) | ||
| observer.disconnect() | ||
| } | ||
| }, []) | ||
|
|
||
| return <div ref={ref} /> | ||
| } | ||
|
|
||
| export { | ||
| ArticleElementContextProvider, | ||
| ArticleElementProvider, | ||
| useSetArticleElement, | ||
| useArticleElement, | ||
| useIsEOArticleElement, | ||
| } |
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Successfully deployed to the following URLs:
springtide – ./
springtide.vercel.app
springtide-git-main-innei.vercel.app
springtide-innei.vercel.app