Top 6 Examples of "react-intersection-observer in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'react-intersection-observer' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
it('renders correctly', async () => {
const id = '9200000111963040';
const testId = 'product-details';
const { container, queryByTestId, findByText } = render(
);
mockAllIsIntersecting(true);
expect(queryByTestId(testId)).toBe(null);
await findByText(/De Ghost Recon/);
expect(queryByTestId(testId)).toBeDefined();
// generic contract
expect(container).toMatchSnapshot();
});
});export default function PostTemplate({data, location}) {
const [ref, inView] = useInView({triggerOnce: true});
const {post, metadata} = data;
const {frontmatter, html} = post;
const {
disqus: {url, script},
} = metadata.siteMetadata;
const showDisqus = isProduction && inView;
return (
<article>
<header>
<h1>{frontmatter.title}</h1>
<time>{frontmatter.date}</time>
</header>
<div>
<div></div></div></article>const loading = useRef(false);
const inputAtBottom = contentType === 'comment';
const {
commentId,
commentsShown,
loaded,
placeholderHeight,
rootObj,
rootType,
started,
targetObj,
visible,
rootId
} = contentState;
const [ComponentRef, inView] = useInView({
threshold: 0
});
const PanelRef = useRef(null);
useLazyLoad({
contentType,
contentId,
PanelRef,
inView,
onSetPlaceholderHeight,
onSetVisible
});
const { started: rootStarted } = useContentState({
contentType: rootType,
contentId: rootId
});onSetOnline,
onUploadComment,
onUploadReply,
onRemoveStatusMsg,
onSetPlaceholderHeight,
onSetVisible,
onUpdateStatusMsg,
onUpdateBio,
onUploadProfilePic
}
} = useContentContext();
const profile = useContentState({
contentType: 'user',
contentId: profileId
});
const [ComponentRef, inView] = useInView({
threshold: 0
});
const PanelRef = useRef(null);
useLazyLoad({
contentType: 'user',
contentId: profileId,
PanelRef,
inView,
onSetPlaceholderHeight,
onSetVisible
});
const {
childComments = [],
commentsLoaded,
commentsShown,
lastActive,export function useScrollPercentage(
options: ScrollPercentageOptions = {},
): ScrollPercentageHookResponse {
const [ref, inView, entry] = useInView(options)
const [percentage, setPercentage] = useState(0)
const target = entry && entry.target
useEffect(() => {
const handleScroll = () => {
if (!target) return
const bounds = target.getBoundingClientRect()
const percentage = options.horizontal
? calculateHorizontalPercentage(bounds, options.threshold, options.root)
: calculateVerticalPercentage(bounds, options.threshold, options.root)
setPercentage(percentage)
}
if (inView) {
const root = options.root || windowexport const DeploymentIndexPage: FC = memo(function DeploymentIndexPage() {
const classes = useStyles();
const buttonClasses = useButtonStyles();
const history = useHistory();
const dispatch = useAppDispatch();
const listRef = useRef(null);
const [status, hasMore, groupedDeployments] = useGroupedDeployments();
const filterOptions = useSearchParams();
const [openFilter, setOpenFilter] = useState(true);
const [ref, inView] = useInView({
rootMargin: "400px",
root: listRef.current,
});
const isLoading = status === "loading";
useEffect(() => {
dispatch(fetchApplications());
}, [dispatch]);
useEffect(() => {
dispatch(fetchDeployments(filterOptions));
}, [dispatch, filterOptions]);
useEffect(() => {
if (inView && hasMore && isLoading === false) {