Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'scroll-into-view-if-needed' 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.
componentDidUpdate(prevProps) {
const { formError, isSubmitting, isValid } = this.props
const { isSubmitting: prevIsSubmitting, formError: prevFormError } = prevProps
// Scroll form notification into view if needed
if (formError && !prevFormError) {
scrollIntoView(this.notificationRef.current, { behavior: 'smooth' })
this.notificationRef.current.focus({ preventScroll: true })
}
// Scroll invalid fields into view if needed and focus them
if (prevIsSubmitting && !isSubmitting && !isValid) {
const firstErrorNode = document.querySelectorAll('[data-needs-focus="true"]')[0]
if (firstErrorNode) {
scrollIntoView(firstErrorNode, { behavior: 'smooth' })
firstErrorNode.querySelector('input,textarea').focus({ preventScroll: true })
}
}
}
componentDidUpdate(prevProps) {
const { formError, isSubmitting, isValid } = this.props
const { isSubmitting: prevIsSubmitting, formError: prevFormError } = prevProps
// Scroll form notification into view if needed
if (formError && !prevFormError) {
scrollIntoView(this.notificationRef.current, { behavior: 'smooth' })
this.notificationRef.current.focus({ preventScroll: true })
}
// Scroll invalid fields into view if needed and focus them
if (prevIsSubmitting && !isSubmitting && !isValid) {
const firstErrorNode = document.querySelectorAll('[data-needs-focus="true"]')[0]
if (firstErrorNode) {
scrollIntoView(firstErrorNode, { behavior: 'smooth' })
firstErrorNode.querySelector('input,textarea').focus({ preventScroll: true })
}
}
}
updateScroll = () => {
const isScrollable = this.node.clientHeight !== this.node.scrollHeight
const shouldRescroll = !!(
this.props.items &&
this.props.items.length &&
(!isScrollable || isCloseToTop(this.node) || isCloseToBottom(this.node))
)
switch (this.scrollAction) {
case SCROLL_ACTIONS.toItem:
scrollIntoViewIfNeeded(document.getElementById(this.props.itemId), {
scrollMode: 'if-needed',
block: 'center',
})
break
case SCROLL_ACTIONS.adjustForTop:
// Force stop momentum scrolling.
this.node.style.overflow = 'hidden'
this.node.scrollTop =
this.scrollTop + (this.node.scrollHeight - this.scrollHeight)
this.node.style.overflowY = 'scroll'
break
case SCROLL_ACTIONS.toBottom:
this.node.scrollTop = this.node.scrollHeight
break
export function scrollElement(node, options) {
let cfg = options || { duration: 300, centerIfNeeded: true, easing: 'easeInOut' };
if (node) {
let isSafari = (/constructor/i).test(window.HTMLElement) || (function(p) { return p.toString() === "[object SafariRemoteNotification]"; })(!window.safari || (typeof safari !== 'undefined' && safari.pushNotification));
if (!isSafari) {
scrollIntoViewIfNeeded(node, cfg);
}
}
}
componentDidMount() {
if (this.props.selected) {
scrollIntoView(this.ecRef.current!, { scrollMode: 'if-needed' });
}
}
function scrollIntoViewIfNeeded(elem, centerIfNeeded, options, config) {
const finalElement = findClosestScrollableElement(elem)
return _scrollIntoViewIfNeeded(
elem,
centerIfNeeded,
options,
finalElement,
config
)
}
setTimeout(() => {
const target = document.getElementById(sec.id);
scrollIntoView(target, {
behavior: "smooth",
block: "end",
scrollMode: "if-needed",
});
}, 50);
};
this.goToSignupNode = () => {
scrollIntoViewIfNeeded(this._signupNode, true, {
duration: 150,
easing: 'easeInOut',
});
};
}
setSelected(isSelected) {
if (this.isSelected() !== isSelected) {
this.setState({
selected: isSelected
});
const element = ReactDOM.findDOMNode(this);
if (element) {
scrollIntoViewIfNeeded(element);
}
}
}