| "use client"; |
|
|
| import Link, { LinkProps } from "next/link"; |
| import React, { PropsWithChildren, useEffect, useState } from "react"; |
| import { usePathname } from "next/navigation"; |
|
|
| const getLinkUrl = (href: LinkProps["href"], as?: LinkProps["as"]): string => { |
| |
| |
| if (as) return as.toString(); |
| return href.toString(); |
| }; |
|
|
| type ActiveLinkProps = LinkProps & { |
| className?: string; |
| activeClassName: string; |
| }; |
|
|
| const ActiveLink = ({ |
| children, |
| activeClassName, |
| className, |
| ...props |
| }: PropsWithChildren<ActiveLinkProps>) => { |
| const pathname = usePathname(); |
| const [computedClassName, setComputedClassName] = useState(className); |
|
|
| useEffect(() => { |
| if (pathname) { |
| const linkUrl = getLinkUrl(props.href, props.as); |
|
|
| const linkPathname = new URL(linkUrl, location.href).pathname; |
| const activePathname = new URL(pathname, location.href).pathname; |
|
|
| const newClassName = |
| linkPathname === activePathname |
| ? `${className} ${activeClassName}`.trim() |
| : className; |
|
|
| if (newClassName !== computedClassName) { |
| setComputedClassName(newClassName); |
| } |
| } |
| }, [ |
| pathname, |
| props.as, |
| props.href, |
| activeClassName, |
| className, |
| computedClassName, |
| ]); |
|
|
| return ( |
| <Link className={computedClassName} {...props}> |
| {children} |
| </Link> |
| ); |
| }; |
|
|
| export default ActiveLink; |
|
|
