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import { FlattenNavItem, NavItem, docsConfig } from "@/docs.config"
import { usePathname } from "next/navigation"
const join = (...args: Array<string | undefined>) =>
`/${args.filter(Boolean).join("/")}`
export function useRoute() {
const currentUrl = usePathname()
const [primaryHref, secondaryHref] = currentUrl.split("/").slice(1)
const flattenedItems = getFlattenedNavItems()
function getPrimaryNavItems() {
return docsConfig.navigation.map((item) => {
const firstChild = flattenedItems.find((child) =>
child.url?.startsWith(`/${item.url!}`),
)
return {
title: item.title,
url: firstChild?.url,
current: currentUrl.startsWith(`/${item.url}`),
}
})
}
function getPrimaryNav() {
return docsConfig.navigation.find((item) => item.url === primaryHref)!
}
function getSecondaryNav() {
const nav = getPrimaryNav()
return nav?.items?.find((item) => item.url === secondaryHref)!
}
function getSecondaryNavItems() {
const nav = getPrimaryNav()
return (
nav?.items?.map((item) => {
const firstChild = flattenedItems.find((child) =>
child.url?.startsWith(join(nav.url, item.url)),
)
return {
title: item.title,
url: firstChild?.url,
current: currentUrl.startsWith(join(nav.url, item.url)),
status: item.status,
}
}) || []
)
}
function getFlattenedNavItems(): FlattenNavItem[] {
const result: FlattenNavItem[] = []
const iterate = (item: NavItem, parentUrl = "") => {
const url = item.external
? item.url
: item.url
? `${parentUrl}/${item.url}`
: parentUrl
if (item.items) {
item.items.forEach((child) => iterate(child, url))
} else {
result.push({
title: item.title,
url,
status: item.status,
external: item.external,
})
}
}
docsConfig.navigation.forEach((item) => iterate(item))
return result
}
function getCurrentIndex(items: FlattenNavItem[]): number {
return items.findIndex((item) => currentUrl === item.url!)
}
function getNextItem(): NavItem | null {
const items = getFlattenedNavItems()
const index = getCurrentIndex(items)
return items[index + 1] || null
}
function getPrevItem(): NavItem | null {
const items = getFlattenedNavItems()
const index = getCurrentIndex(items)
return items[index - 1] || null
}
function getSidebarNavItems() {
const primaryNav = getPrimaryNav()
const secondaryNav = getSecondaryNav()
return (
secondaryNav?.items?.map((group) => ({
...group,
items:
group?.items?.map((item) => ({
status: item.status,
title: item.title,
url:
item.url?.startsWith("http") || item.external
? item.url
: join(primaryNav.url, secondaryNav.url, group.url, item.url),
current: currentUrl.startsWith(
join(primaryNav.url, secondaryNav.url, group.url, item.url),
),
external: item.external,
})) || [],
})) || []
)
}
return {
currentUrl,
getPrimaryNavItems,
getSecondaryNavItems,
getPrimaryNav,
getSecondaryNav,
getSidebarNavItems,
getNextItem,
getPrevItem,
}
}
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