Varun Shah
e32d475aa9
- Add authentication scripts with SubtleCrypto password encryption - Add sourcemap extraction pipeline (update-urls, download-sourcemaps, extract-sources) - Add Playwright API interception script for monetization endpoints - Document two-step auth flow with JWT tokens and dual cookies - Move extracted source from root to anyclip/ directory - Add project configuration (.env.example, .gitignore, CLAUDE.md)
718 lines
23 KiB
TypeScript
718 lines
23 KiB
TypeScript
'use client'
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import type {
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NextRouter,
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PrefetchOptions as RouterPrefetchOptions,
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} from '../shared/lib/router/router'
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import React, { createContext, useContext } from 'react'
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import type { UrlObject } from 'url'
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import { resolveHref } from './resolve-href'
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import { isLocalURL } from '../shared/lib/router/utils/is-local-url'
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import { formatUrl } from '../shared/lib/router/utils/format-url'
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import { isAbsoluteUrl } from '../shared/lib/utils'
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import { addLocale } from './add-locale'
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import { RouterContext } from '../shared/lib/router-context.shared-runtime'
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import type { AppRouterInstance } from '../shared/lib/app-router-context.shared-runtime'
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import { useIntersection } from './use-intersection'
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import { getDomainLocale } from './get-domain-locale'
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import { addBasePath } from './add-base-path'
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import { useMergedRef } from './use-merged-ref'
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import { errorOnce } from '../shared/lib/utils/error-once'
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type Url = string | UrlObject
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type RequiredKeys<T> = {
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[K in keyof T]-?: {} extends Pick<T, K> ? never : K
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}[keyof T]
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type OptionalKeys<T> = {
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[K in keyof T]-?: {} extends Pick<T, K> ? K : never
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}[keyof T]
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type OnNavigateEventHandler = (event: { preventDefault: () => void }) => void
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type InternalLinkProps = {
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/**
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* The path or URL to navigate to. It can also be an object.
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*
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* @example https://nextjs.org/docs/api-reference/next/link#with-url-object
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*/
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href: Url
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/**
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* Optional decorator for the path that will be shown in the browser URL bar. Before Next.js 9.5.3 this was used for dynamic routes, check our [previous docs](https://github.com/vercel/next.js/blob/v9.5.2/docs/api-reference/next/link.md#dynamic-routes) to see how it worked. Note: when this path differs from the one provided in `href` the previous `href`/`as` behavior is used as shown in the [previous docs](https://github.com/vercel/next.js/blob/v9.5.2/docs/api-reference/next/link.md#dynamic-routes).
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*/
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as?: Url
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/**
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* Replace the current `history` state instead of adding a new url into the stack.
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*
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* @defaultValue `false`
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*/
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replace?: boolean
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/**
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* Whether to override the default scroll behavior
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*
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* @example https://nextjs.org/docs/api-reference/next/link#disable-scrolling-to-the-top-of-the-page
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*
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* @defaultValue `true`
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*/
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scroll?: boolean
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/**
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* Update the path of the current page without rerunning [`getStaticProps`](https://nextjs.org/docs/pages/building-your-application/data-fetching/get-static-props), [`getServerSideProps`](https://nextjs.org/docs/pages/building-your-application/data-fetching/get-server-side-props) or [`getInitialProps`](/docs/pages/api-reference/functions/get-initial-props).
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*
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* @defaultValue `false`
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*/
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shallow?: boolean
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/**
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* Forces `Link` to send the `href` property to its child.
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*
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* @defaultValue `false`
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*/
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passHref?: boolean
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/**
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* Prefetch the page in the background.
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* Any `<Link />` that is in the viewport (initially or through scroll) will be prefetched.
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* Prefetch can be disabled by passing `prefetch={false}`. Prefetching is only enabled in production.
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*
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* In App Router:
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* - "auto", null, undefined (default): For statically generated pages, this will prefetch the full React Server Component data. For dynamic pages, this will prefetch up to the nearest route segment with a [`loading.js`](https://nextjs.org/docs/app/api-reference/file-conventions/loading) file. If there is no loading file, it will not fetch the full tree to avoid fetching too much data.
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* - `true`: This will prefetch the full React Server Component data for all route segments, regardless of whether they contain a segment with `loading.js`.
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* - `false`: This will not prefetch any data, even on hover.
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*
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* In Pages Router:
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* - `true` (default): The full route & its data will be prefetched.
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* - `false`: Prefetching will not happen when entering the viewport, but will still happen on hover.
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* @defaultValue `true` (pages router) or `null` (app router)
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*/
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prefetch?: boolean | 'auto' | null | 'unstable_forceStale'
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/**
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* The active locale is automatically prepended. `locale` allows for providing a different locale.
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* When `false` `href` has to include the locale as the default behavior is disabled.
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* Note: This is only available in the Pages Router.
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*/
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locale?: string | false
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/**
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* Enable legacy link behavior.
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* @deprecated This will be removed in v16
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* @defaultValue `false`
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* @see https://github.com/vercel/next.js/commit/489e65ed98544e69b0afd7e0cfc3f9f6c2b803b7
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*/
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legacyBehavior?: boolean
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/**
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* Optional event handler for when the mouse pointer is moved onto Link
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*/
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onMouseEnter?: React.MouseEventHandler<HTMLAnchorElement>
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/**
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* Optional event handler for when Link is touched.
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*/
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onTouchStart?: React.TouchEventHandler<HTMLAnchorElement>
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/**
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* Optional event handler for when Link is clicked.
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*/
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onClick?: React.MouseEventHandler<HTMLAnchorElement>
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/**
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* Optional event handler for when the `<Link>` is navigated.
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*/
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onNavigate?: OnNavigateEventHandler
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}
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// TODO-APP: Include the full set of Anchor props
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// adding this to the publicly exported type currently breaks existing apps
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// `RouteInferType` is a stub here to avoid breaking `typedRoutes` when the type
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// isn't generated yet. It will be replaced when type generation runs.
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// WARNING: This should be an interface to prevent TypeScript from inlining it
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// in declarations of libraries dependending on Next.js.
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// Not trivial to reproduce so only convert to an interface when needed.
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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export interface LinkProps<RouteInferType = any> extends InternalLinkProps {}
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type LinkPropsRequired = RequiredKeys<LinkProps>
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type LinkPropsOptional = OptionalKeys<InternalLinkProps>
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const prefetched = new Set<string>()
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type PrefetchOptions = RouterPrefetchOptions & {
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/**
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* bypassPrefetchedCheck will bypass the check to see if the `href` has
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* already been fetched.
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*/
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bypassPrefetchedCheck?: boolean
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}
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function prefetch(
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router: NextRouter,
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href: string,
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as: string,
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options: PrefetchOptions
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): void {
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if (typeof window === 'undefined') {
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return
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}
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if (!isLocalURL(href)) {
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return
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}
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// We should only dedupe requests when experimental.optimisticClientCache is
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// disabled.
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if (!options.bypassPrefetchedCheck) {
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const locale =
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// Let the link's locale prop override the default router locale.
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typeof options.locale !== 'undefined'
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? options.locale
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: // Otherwise fallback to the router's locale.
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'locale' in router
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? router.locale
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: undefined
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const prefetchedKey = href + '%' + as + '%' + locale
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// If we've already fetched the key, then don't prefetch it again!
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if (prefetched.has(prefetchedKey)) {
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return
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}
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// Mark this URL as prefetched.
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prefetched.add(prefetchedKey)
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}
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// Prefetch the JSON page if asked (only in the client)
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// We need to handle a prefetch error here since we may be
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// loading with priority which can reject but we don't
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// want to force navigation since this is only a prefetch
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router.prefetch(href, as, options).catch((err) => {
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if (process.env.NODE_ENV !== 'production') {
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// rethrow to show invalid URL errors
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throw err
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}
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})
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}
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function isModifiedEvent(event: React.MouseEvent): boolean {
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const eventTarget = event.currentTarget as HTMLAnchorElement | SVGAElement
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const target = eventTarget.getAttribute('target')
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return (
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(target && target !== '_self') ||
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event.metaKey ||
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event.ctrlKey ||
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event.shiftKey ||
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event.altKey || // triggers resource download
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(event.nativeEvent && event.nativeEvent.which === 2)
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)
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}
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function linkClicked(
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e: React.MouseEvent,
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router: NextRouter | AppRouterInstance,
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href: string,
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as: string,
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replace?: boolean,
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shallow?: boolean,
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scroll?: boolean,
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locale?: string | false,
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onNavigate?: OnNavigateEventHandler
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): void {
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const { nodeName } = e.currentTarget
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// anchors inside an svg have a lowercase nodeName
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const isAnchorNodeName = nodeName.toUpperCase() === 'A'
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if (
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(isAnchorNodeName && isModifiedEvent(e)) ||
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e.currentTarget.hasAttribute('download')
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) {
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// ignore click for browser’s default behavior
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return
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}
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if (!isLocalURL(href)) {
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if (replace) {
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// browser default behavior does not replace the history state
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// so we need to do it manually
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e.preventDefault()
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location.replace(href)
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}
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// ignore click for browser’s default behavior
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return
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}
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e.preventDefault()
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const navigate = () => {
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if (onNavigate) {
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let isDefaultPrevented = false
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onNavigate({
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preventDefault: () => {
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isDefaultPrevented = true
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},
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})
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if (isDefaultPrevented) {
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return
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}
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}
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// If the router is an NextRouter instance it will have `beforePopState`
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const routerScroll = scroll ?? true
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if ('beforePopState' in router) {
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router[replace ? 'replace' : 'push'](href, as, {
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shallow,
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locale,
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scroll: routerScroll,
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})
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} else {
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router[replace ? 'replace' : 'push'](as || href, {
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scroll: routerScroll,
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})
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}
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}
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navigate()
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}
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type LinkPropsReal = React.PropsWithChildren<
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Omit<React.AnchorHTMLAttributes<HTMLAnchorElement>, keyof LinkProps> &
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LinkProps
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>
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function formatStringOrUrl(urlObjOrString: UrlObject | string): string {
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if (typeof urlObjOrString === 'string') {
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return urlObjOrString
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}
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return formatUrl(urlObjOrString)
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}
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/**
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* A React component that extends the HTML `<a>` element to provide [prefetching](https://nextjs.org/docs/app/building-your-application/routing/linking-and-navigating#2-prefetching)
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* and client-side navigation between routes.
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*
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* It is the primary way to navigate between routes in Next.js.
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*
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* Read more: [Next.js docs: `<Link>`](https://nextjs.org/docs/app/api-reference/components/link)
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*/
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const Link = React.forwardRef<HTMLAnchorElement, LinkPropsReal>(
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function LinkComponent(props, forwardedRef) {
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let children: React.ReactNode
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const {
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href: hrefProp,
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as: asProp,
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children: childrenProp,
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prefetch: prefetchProp = null,
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passHref,
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replace,
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shallow,
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scroll,
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locale,
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onClick,
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onNavigate,
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onMouseEnter: onMouseEnterProp,
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onTouchStart: onTouchStartProp,
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legacyBehavior = false,
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...restProps
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} = props
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children = childrenProp
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if (
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legacyBehavior &&
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(typeof children === 'string' || typeof children === 'number')
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) {
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children = <a>{children}</a>
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}
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const router = React.useContext(RouterContext)
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const prefetchEnabled = prefetchProp !== false
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if (process.env.NODE_ENV !== 'production') {
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function createPropError(args: {
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key: string
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expected: string
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actual: string
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}) {
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return new Error(
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`Failed prop type: The prop \`${args.key}\` expects a ${args.expected} in \`<Link>\`, but got \`${args.actual}\` instead.` +
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(typeof window !== 'undefined'
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? // TODO: Remove this addendum if Owner Stacks are available
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"\nOpen your browser's console to view the Component stack trace."
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: '')
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)
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}
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// TypeScript trick for type-guarding:
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const requiredPropsGuard: Record<LinkPropsRequired, true> = {
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href: true,
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} as const
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const requiredProps: LinkPropsRequired[] = Object.keys(
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requiredPropsGuard
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) as LinkPropsRequired[]
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requiredProps.forEach((key: LinkPropsRequired) => {
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if (key === 'href') {
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if (
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props[key] == null ||
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(typeof props[key] !== 'string' && typeof props[key] !== 'object')
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) {
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throw createPropError({
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key,
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expected: '`string` or `object`',
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actual: props[key] === null ? 'null' : typeof props[key],
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})
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}
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} else {
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// TypeScript trick for type-guarding:
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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const _: never = key
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}
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})
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// TypeScript trick for type-guarding:
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const optionalPropsGuard: Record<LinkPropsOptional, true> = {
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as: true,
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replace: true,
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scroll: true,
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shallow: true,
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passHref: true,
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prefetch: true,
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locale: true,
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onClick: true,
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onMouseEnter: true,
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onTouchStart: true,
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legacyBehavior: true,
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onNavigate: true,
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} as const
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const optionalProps: LinkPropsOptional[] = Object.keys(
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optionalPropsGuard
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) as LinkPropsOptional[]
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optionalProps.forEach((key: LinkPropsOptional) => {
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const valType = typeof props[key]
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if (key === 'as') {
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if (props[key] && valType !== 'string' && valType !== 'object') {
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throw createPropError({
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key,
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expected: '`string` or `object`',
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actual: valType,
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})
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}
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} else if (key === 'locale') {
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if (props[key] && valType !== 'string') {
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throw createPropError({
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key,
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expected: '`string`',
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actual: valType,
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})
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}
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} else if (
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key === 'onClick' ||
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key === 'onMouseEnter' ||
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key === 'onTouchStart' ||
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key === 'onNavigate'
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) {
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if (props[key] && valType !== 'function') {
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throw createPropError({
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key,
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expected: '`function`',
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actual: valType,
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})
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}
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} else if (
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key === 'replace' ||
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key === 'scroll' ||
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key === 'shallow' ||
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key === 'passHref' ||
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key === 'legacyBehavior'
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) {
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if (props[key] != null && valType !== 'boolean') {
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throw createPropError({
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key,
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expected: '`boolean`',
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actual: valType,
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})
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}
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} else if (key === 'prefetch') {
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if (
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props[key] != null &&
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valType !== 'boolean' &&
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props[key] !== 'auto'
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) {
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throw createPropError({
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key,
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expected: '`boolean | "auto"`',
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actual: valType,
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})
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}
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} else {
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// TypeScript trick for type-guarding:
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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const _: never = key
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}
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})
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}
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const { href, as } = React.useMemo(() => {
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if (!router) {
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const resolvedHref = formatStringOrUrl(hrefProp)
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return {
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href: resolvedHref,
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as: asProp ? formatStringOrUrl(asProp) : resolvedHref,
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}
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}
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const [resolvedHref, resolvedAs] = resolveHref(router, hrefProp, true)
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return {
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href: resolvedHref,
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as: asProp ? resolveHref(router, asProp) : resolvedAs || resolvedHref,
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}
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}, [router, hrefProp, asProp])
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const previousHref = React.useRef<string>(href)
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const previousAs = React.useRef<string>(as)
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// This will return the first child, if multiple are provided it will throw an error
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let child: any
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if (legacyBehavior) {
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if (process.env.NODE_ENV === 'development') {
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if (onClick) {
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console.warn(
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`"onClick" was passed to <Link> with \`href\` of \`${hrefProp}\` but "legacyBehavior" was set. The legacy behavior requires onClick be set on the child of next/link`
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)
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}
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if (onMouseEnterProp) {
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console.warn(
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`"onMouseEnter" was passed to <Link> with \`href\` of \`${hrefProp}\` but "legacyBehavior" was set. The legacy behavior requires onMouseEnter be set on the child of next/link`
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)
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}
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try {
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child = React.Children.only(children)
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} catch (err) {
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if (!children) {
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throw new Error(
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`No children were passed to <Link> with \`href\` of \`${hrefProp}\` but one child is required https://nextjs.org/docs/messages/link-no-children`
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)
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}
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throw new Error(
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`Multiple children were passed to <Link> with \`href\` of \`${hrefProp}\` but only one child is supported https://nextjs.org/docs/messages/link-multiple-children` +
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(typeof window !== 'undefined'
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? " \nOpen your browser's console to view the Component stack trace."
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: '')
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)
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}
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} else {
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child = React.Children.only(children)
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}
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} else {
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if (process.env.NODE_ENV === 'development') {
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if ((children as any)?.type === 'a') {
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throw new Error(
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'Invalid <Link> with <a> child. Please remove <a> or use <Link legacyBehavior>.\nLearn more: https://nextjs.org/docs/messages/invalid-new-link-with-extra-anchor'
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)
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}
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}
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}
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|
||
const childRef: any = legacyBehavior
|
||
? child && typeof child === 'object' && child.ref
|
||
: forwardedRef
|
||
|
||
const [setIntersectionRef, isVisible, resetVisible] = useIntersection({
|
||
rootMargin: '200px',
|
||
})
|
||
|
||
const setIntersectionWithResetRef = React.useCallback(
|
||
(el: Element | null) => {
|
||
// Before the link getting observed, check if visible state need to be reset
|
||
if (previousAs.current !== as || previousHref.current !== href) {
|
||
resetVisible()
|
||
previousAs.current = as
|
||
previousHref.current = href
|
||
}
|
||
|
||
setIntersectionRef(el)
|
||
},
|
||
[as, href, resetVisible, setIntersectionRef]
|
||
)
|
||
|
||
const setRef = useMergedRef(setIntersectionWithResetRef, childRef)
|
||
|
||
// Prefetch the URL if we haven't already and it's visible.
|
||
React.useEffect(() => {
|
||
// in dev, we only prefetch on hover to avoid wasting resources as the prefetch will trigger compiling the page.
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
return
|
||
}
|
||
|
||
if (!router) {
|
||
return
|
||
}
|
||
|
||
// If we don't need to prefetch the URL, don't do prefetch.
|
||
if (!isVisible || !prefetchEnabled) {
|
||
return
|
||
}
|
||
|
||
// Prefetch the URL.
|
||
prefetch(router, href, as, { locale })
|
||
}, [as, href, isVisible, locale, prefetchEnabled, router?.locale, router])
|
||
|
||
const childProps: {
|
||
onTouchStart?: React.TouchEventHandler<HTMLAnchorElement>
|
||
onMouseEnter: React.MouseEventHandler<HTMLAnchorElement>
|
||
onClick: React.MouseEventHandler<HTMLAnchorElement>
|
||
href?: string
|
||
ref?: any
|
||
} = {
|
||
ref: setRef,
|
||
onClick(e) {
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
if (!e) {
|
||
throw new Error(
|
||
`Component rendered inside next/link has to pass click event to "onClick" prop.`
|
||
)
|
||
}
|
||
}
|
||
|
||
if (!legacyBehavior && typeof onClick === 'function') {
|
||
onClick(e)
|
||
}
|
||
|
||
if (
|
||
legacyBehavior &&
|
||
child.props &&
|
||
typeof child.props.onClick === 'function'
|
||
) {
|
||
child.props.onClick(e)
|
||
}
|
||
|
||
if (!router) {
|
||
return
|
||
}
|
||
|
||
if (e.defaultPrevented) {
|
||
return
|
||
}
|
||
|
||
linkClicked(
|
||
e,
|
||
router,
|
||
href,
|
||
as,
|
||
replace,
|
||
shallow,
|
||
scroll,
|
||
locale,
|
||
onNavigate
|
||
)
|
||
},
|
||
onMouseEnter(e) {
|
||
if (!legacyBehavior && typeof onMouseEnterProp === 'function') {
|
||
onMouseEnterProp(e)
|
||
}
|
||
|
||
if (
|
||
legacyBehavior &&
|
||
child.props &&
|
||
typeof child.props.onMouseEnter === 'function'
|
||
) {
|
||
child.props.onMouseEnter(e)
|
||
}
|
||
|
||
if (!router) {
|
||
return
|
||
}
|
||
|
||
prefetch(router, href, as, {
|
||
locale,
|
||
priority: true,
|
||
// @see {https://github.com/vercel/next.js/discussions/40268?sort=top#discussioncomment-3572642}
|
||
bypassPrefetchedCheck: true,
|
||
})
|
||
},
|
||
onTouchStart: process.env.__NEXT_LINK_NO_TOUCH_START
|
||
? undefined
|
||
: function onTouchStart(e) {
|
||
if (!legacyBehavior && typeof onTouchStartProp === 'function') {
|
||
onTouchStartProp(e)
|
||
}
|
||
|
||
if (
|
||
legacyBehavior &&
|
||
child.props &&
|
||
typeof child.props.onTouchStart === 'function'
|
||
) {
|
||
child.props.onTouchStart(e)
|
||
}
|
||
|
||
if (!router) {
|
||
return
|
||
}
|
||
|
||
prefetch(router, href, as, {
|
||
locale,
|
||
priority: true,
|
||
// @see {https://github.com/vercel/next.js/discussions/40268?sort=top#discussioncomment-3572642}
|
||
bypassPrefetchedCheck: true,
|
||
})
|
||
},
|
||
}
|
||
|
||
// If child is an <a> tag and doesn't have a href attribute, or if the 'passHref' property is
|
||
// defined, we specify the current 'href', so that repetition is not needed by the user.
|
||
// If the url is absolute, we can bypass the logic to prepend the domain and locale.
|
||
if (isAbsoluteUrl(as)) {
|
||
childProps.href = as
|
||
} else if (
|
||
!legacyBehavior ||
|
||
passHref ||
|
||
(child.type === 'a' && !('href' in child.props))
|
||
) {
|
||
const curLocale = typeof locale !== 'undefined' ? locale : router?.locale
|
||
|
||
// we only render domain locales if we are currently on a domain locale
|
||
// so that locale links are still visitable in development/preview envs
|
||
const localeDomain =
|
||
router?.isLocaleDomain &&
|
||
getDomainLocale(as, curLocale, router?.locales, router?.domainLocales)
|
||
|
||
childProps.href =
|
||
localeDomain ||
|
||
addBasePath(addLocale(as, curLocale, router?.defaultLocale))
|
||
}
|
||
|
||
if (legacyBehavior) {
|
||
if (process.env.NODE_ENV === 'development') {
|
||
errorOnce(
|
||
'`legacyBehavior` is deprecated and will be removed in a future ' +
|
||
'release. A codemod is available to upgrade your components:\n\n' +
|
||
'npx @next/codemod@latest new-link .\n\n' +
|
||
'Learn more: https://nextjs.org/docs/app/building-your-application/upgrading/codemods#remove-a-tags-from-link-components'
|
||
)
|
||
}
|
||
return React.cloneElement(child, childProps)
|
||
}
|
||
|
||
return (
|
||
<a {...restProps} {...childProps}>
|
||
{children}
|
||
</a>
|
||
)
|
||
}
|
||
)
|
||
|
||
const LinkStatusContext = createContext<{
|
||
pending: boolean
|
||
}>({
|
||
// We do not support link status in the Pages Router, so we always return false
|
||
pending: false,
|
||
})
|
||
|
||
export const useLinkStatus = () => {
|
||
// This behaviour is like React's useFormStatus. When the component is not under
|
||
// a <form> tag, it will get the default value, instead of throwing an error.
|
||
return useContext(LinkStatusContext)
|
||
}
|
||
|
||
export default Link
|