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31.8 kB
| /* global location */ | |
| // imports polyfill from `@next/polyfill-module` after build. | |
| import '../build/polyfills/polyfill-module' | |
| import type Router from '../shared/lib/router/router' | |
| import type { | |
| AppComponent, | |
| AppProps, | |
| PrivateRouteInfo, | |
| } from '../shared/lib/router/router' | |
| import React, { type JSX } from 'react' | |
| import ReactDOM from 'react-dom/client' | |
| import { HeadManagerContext } from '../shared/lib/head-manager-context.shared-runtime' | |
| import mitt from '../shared/lib/mitt' | |
| import type { MittEmitter } from '../shared/lib/mitt' | |
| import { RouterContext } from '../shared/lib/router-context.shared-runtime' | |
| import { disableSmoothScrollDuringRouteTransition } from '../shared/lib/router/utils/disable-smooth-scroll' | |
| import { isDynamicRoute } from '../shared/lib/router/utils/is-dynamic' | |
| import { | |
| urlQueryToSearchParams, | |
| assign, | |
| } from '../shared/lib/router/utils/querystring' | |
| import { setConfig } from '../shared/lib/runtime-config.external' | |
| import { getURL, loadGetInitialProps, ST } from '../shared/lib/utils' | |
| import type { NextWebVitalsMetric, NEXT_DATA } from '../shared/lib/utils' | |
| import { Portal } from './portal' | |
| import initHeadManager from './head-manager' | |
| import PageLoader from './page-loader' | |
| import type { StyleSheetTuple } from './page-loader' | |
| import { RouteAnnouncer } from './route-announcer' | |
| import { createRouter, makePublicRouterInstance } from './router' | |
| import { getProperError } from '../lib/is-error' | |
| import { ImageConfigContext } from '../shared/lib/image-config-context.shared-runtime' | |
| import type { ImageConfigComplete } from '../shared/lib/image-config' | |
| import { removeBasePath } from './remove-base-path' | |
| import { hasBasePath } from './has-base-path' | |
| import { AppRouterContext } from '../shared/lib/app-router-context.shared-runtime' | |
| import { | |
| adaptForAppRouterInstance, | |
| adaptForPathParams, | |
| adaptForSearchParams, | |
| PathnameContextProviderAdapter, | |
| } from '../shared/lib/router/adapters' | |
| import { | |
| SearchParamsContext, | |
| PathParamsContext, | |
| } from '../shared/lib/hooks-client-context.shared-runtime' | |
| import { onRecoverableError } from './react-client-callbacks/on-recoverable-error' | |
| import tracer from './tracing/tracer' | |
| import { isNextRouterError } from './components/is-next-router-error' | |
| /// <reference types="react-dom/experimental" /> | |
| declare global { | |
| interface Window { | |
| /* test fns */ | |
| __NEXT_HYDRATED?: boolean | |
| __NEXT_HYDRATED_AT?: number | |
| __NEXT_HYDRATED_CB?: () => void | |
| /* prod */ | |
| __NEXT_DATA__: NEXT_DATA | |
| __NEXT_P: any[] | |
| } | |
| } | |
| type RenderRouteInfo = PrivateRouteInfo & { | |
| App: AppComponent | |
| scroll?: { x: number; y: number } | null | |
| isHydratePass?: boolean | |
| } | |
| type RenderErrorProps = Omit<RenderRouteInfo, 'Component' | 'styleSheets'> | |
| type RegisterFn = (input: [string, () => void]) => void | |
| export const version = process.env.__NEXT_VERSION | |
| export let router: Router | |
| export const emitter: MittEmitter<string> = mitt() | |
| const looseToArray = <T extends {}>(input: any): T[] => [].slice.call(input) | |
| let initialData: NEXT_DATA | |
| let defaultLocale: string | undefined = undefined | |
| let asPath: string | |
| let pageLoader: PageLoader | |
| let appElement: HTMLElement | null | |
| let headManager: { | |
| mountedInstances: Set<unknown> | |
| updateHead: (head: JSX.Element[]) => void | |
| getIsSsr?: () => boolean | |
| } | |
| let initialMatchesMiddleware = false | |
| let lastAppProps: AppProps | |
| let lastRenderReject: (() => void) | null | |
| let devClient: any | |
| let CachedApp: AppComponent, onPerfEntry: (metric: any) => void | |
| let CachedComponent: React.ComponentType | |
| class Container extends React.Component<{ | |
| children?: React.ReactNode | |
| fn: (err: Error, info?: any) => void | |
| }> { | |
| componentDidCatch(componentErr: Error, info: any) { | |
| this.props.fn(componentErr, info) | |
| } | |
| componentDidMount() { | |
| this.scrollToHash() | |
| // We need to replace the router state if: | |
| // - the page was (auto) exported and has a query string or search (hash) | |
| // - it was auto exported and is a dynamic route (to provide params) | |
| // - if it is a client-side skeleton (fallback render) | |
| // - if middleware matches the current page (may have rewrite params) | |
| // - if rewrites in next.config.js match (may have rewrite params) | |
| if ( | |
| router.isSsr && | |
| (initialData.isFallback || | |
| (initialData.nextExport && | |
| (isDynamicRoute(router.pathname) || | |
| location.search || | |
| process.env.__NEXT_HAS_REWRITES || | |
| initialMatchesMiddleware)) || | |
| (initialData.props && | |
| initialData.props.__N_SSG && | |
| (location.search || | |
| process.env.__NEXT_HAS_REWRITES || | |
| initialMatchesMiddleware))) | |
| ) { | |
| // update query on mount for exported pages | |
| router | |
| .replace( | |
| router.pathname + | |
| '?' + | |
| String( | |
| assign( | |
| urlQueryToSearchParams(router.query), | |
| new URLSearchParams(location.search) | |
| ) | |
| ), | |
| asPath, | |
| { | |
| // @ts-ignore | |
| // WARNING: `_h` is an internal option for handing Next.js | |
| // client-side hydration. Your app should _never_ use this property. | |
| // It may change at any time without notice. | |
| _h: 1, | |
| // Fallback pages must trigger the data fetch, so the transition is | |
| // not shallow. | |
| // Other pages (strictly updating query) happens shallowly, as data | |
| // requirements would already be present. | |
| shallow: !initialData.isFallback && !initialMatchesMiddleware, | |
| } | |
| ) | |
| .catch((err) => { | |
| if (!err.cancelled) throw err | |
| }) | |
| } | |
| } | |
| componentDidUpdate() { | |
| this.scrollToHash() | |
| } | |
| scrollToHash() { | |
| let { hash } = location | |
| hash = hash && hash.substring(1) | |
| if (!hash) return | |
| const el: HTMLElement | null = document.getElementById(hash) | |
| if (!el) return | |
| // If we call scrollIntoView() in here without a setTimeout | |
| // it won't scroll properly. | |
| setTimeout(() => el.scrollIntoView(), 0) | |
| } | |
| render() { | |
| if (process.env.NODE_ENV === 'production') { | |
| return this.props.children | |
| } else { | |
| const { PagesDevOverlayBridge } = | |
| require('../next-devtools/userspace/pages/pages-dev-overlay-setup') as typeof import('../next-devtools/userspace/pages/pages-dev-overlay-setup') | |
| return ( | |
| <PagesDevOverlayBridge>{this.props.children}</PagesDevOverlayBridge> | |
| ) | |
| } | |
| } | |
| } | |
| export async function initialize(opts: { devClient?: any } = {}): Promise<{ | |
| assetPrefix: string | |
| }> { | |
| // This makes sure this specific lines are removed in production | |
| if (process.env.NODE_ENV === 'development') { | |
| tracer.onSpanEnd( | |
| ( | |
| require('./tracing/report-to-socket') as typeof import('./tracing/report-to-socket') | |
| ).default | |
| ) | |
| devClient = opts.devClient | |
| } | |
| initialData = JSON.parse( | |
| document.getElementById('__NEXT_DATA__')!.textContent! | |
| ) | |
| window.__NEXT_DATA__ = initialData | |
| defaultLocale = initialData.defaultLocale | |
| const prefix: string = initialData.assetPrefix || '' | |
| // With dynamic assetPrefix it's no longer possible to set assetPrefix at the build time | |
| // So, this is how we do it in the client side at runtime | |
| ;(self as any).__next_set_public_path__(`${prefix}/_next/`) //eslint-disable-line | |
| // Initialize next/config with the environment configuration | |
| setConfig({ | |
| serverRuntimeConfig: {}, | |
| publicRuntimeConfig: initialData.runtimeConfig || {}, | |
| }) | |
| asPath = getURL() | |
| // make sure not to attempt stripping basePath for 404s | |
| if (hasBasePath(asPath)) { | |
| asPath = removeBasePath(asPath) | |
| } | |
| if (process.env.__NEXT_I18N_SUPPORT) { | |
| const { normalizeLocalePath } = | |
| require('../shared/lib/i18n/normalize-locale-path') as typeof import('../shared/lib/i18n/normalize-locale-path') | |
| const { detectDomainLocale } = | |
| require('../shared/lib/i18n/detect-domain-locale') as typeof import('../shared/lib/i18n/detect-domain-locale') | |
| const { parseRelativeUrl } = | |
| require('../shared/lib/router/utils/parse-relative-url') as typeof import('../shared/lib/router/utils/parse-relative-url') | |
| const { formatUrl } = | |
| require('../shared/lib/router/utils/format-url') as typeof import('../shared/lib/router/utils/format-url') | |
| if (initialData.locales) { | |
| const parsedAs = parseRelativeUrl(asPath) | |
| const localePathResult = normalizeLocalePath( | |
| parsedAs.pathname, | |
| initialData.locales | |
| ) | |
| if (localePathResult.detectedLocale) { | |
| parsedAs.pathname = localePathResult.pathname | |
| asPath = formatUrl(parsedAs) | |
| } else { | |
| // derive the default locale if it wasn't detected in the asPath | |
| // since we don't prerender static pages with all possible default | |
| // locales | |
| defaultLocale = initialData.locale | |
| } | |
| // attempt detecting default locale based on hostname | |
| const detectedDomain = detectDomainLocale( | |
| process.env.__NEXT_I18N_DOMAINS as any, | |
| window.location.hostname | |
| ) | |
| // TODO: investigate if defaultLocale needs to be populated after | |
| // hydration to prevent mismatched renders | |
| if (detectedDomain) { | |
| defaultLocale = detectedDomain.defaultLocale | |
| } | |
| } | |
| } | |
| if (initialData.scriptLoader) { | |
| const { initScriptLoader } = | |
| require('./script') as typeof import('./script') | |
| initScriptLoader(initialData.scriptLoader) | |
| } | |
| pageLoader = new PageLoader(initialData.buildId, prefix) | |
| const register: RegisterFn = ([r, f]) => | |
| pageLoader.routeLoader.onEntrypoint(r, f) | |
| if (window.__NEXT_P) { | |
| // Defer page registration for another tick. This will increase the overall | |
| // latency in hydrating the page, but reduce the total blocking time. | |
| window.__NEXT_P.map((p) => setTimeout(() => register(p), 0)) | |
| } | |
| window.__NEXT_P = [] | |
| ;(window.__NEXT_P as any).push = register | |
| headManager = initHeadManager() | |
| headManager.getIsSsr = () => { | |
| return router.isSsr | |
| } | |
| appElement = document.getElementById('__next') | |
| return { assetPrefix: prefix } | |
| } | |
| function renderApp(App: AppComponent, appProps: AppProps) { | |
| return <App {...appProps} /> | |
| } | |
| function AppContainer({ | |
| children, | |
| }: React.PropsWithChildren<{}>): React.ReactElement { | |
| // Create a memoized value for next/navigation router context. | |
| const adaptedForAppRouter = React.useMemo(() => { | |
| return adaptForAppRouterInstance(router) | |
| }, []) | |
| return ( | |
| <Container | |
| fn={(error) => | |
| // TODO: Fix disabled eslint rule | |
| // eslint-disable-next-line @typescript-eslint/no-use-before-define | |
| renderError({ App: CachedApp, err: error }).catch((err) => | |
| console.error('Error rendering page: ', err) | |
| ) | |
| } | |
| > | |
| <AppRouterContext.Provider value={adaptedForAppRouter}> | |
| <SearchParamsContext.Provider value={adaptForSearchParams(router)}> | |
| <PathnameContextProviderAdapter | |
| router={router} | |
| isAutoExport={self.__NEXT_DATA__.autoExport ?? false} | |
| > | |
| <PathParamsContext.Provider value={adaptForPathParams(router)}> | |
| <RouterContext.Provider value={makePublicRouterInstance(router)}> | |
| <HeadManagerContext.Provider value={headManager}> | |
| <ImageConfigContext.Provider | |
| value={ | |
| process.env | |
| .__NEXT_IMAGE_OPTS as any as ImageConfigComplete | |
| } | |
| > | |
| {children} | |
| </ImageConfigContext.Provider> | |
| </HeadManagerContext.Provider> | |
| </RouterContext.Provider> | |
| </PathParamsContext.Provider> | |
| </PathnameContextProviderAdapter> | |
| </SearchParamsContext.Provider> | |
| </AppRouterContext.Provider> | |
| </Container> | |
| ) | |
| } | |
| const wrapApp = | |
| (App: AppComponent) => | |
| (wrappedAppProps: Record<string, any>): JSX.Element => { | |
| const appProps: AppProps = { | |
| ...wrappedAppProps, | |
| Component: CachedComponent, | |
| err: initialData.err, | |
| router, | |
| } | |
| return <AppContainer>{renderApp(App, appProps)}</AppContainer> | |
| } | |
| // This method handles all runtime and debug errors. | |
| // 404 and 500 errors are special kind of errors | |
| // and they are still handle via the main render method. | |
| function renderError(renderErrorProps: RenderErrorProps): Promise<any> { | |
| let { App, err } = renderErrorProps | |
| // In development runtime errors are caught by our overlay | |
| // In production we catch runtime errors using componentDidCatch which will trigger renderError | |
| if (process.env.NODE_ENV !== 'production') { | |
| // A Next.js rendering runtime error is always unrecoverable | |
| // FIXME: let's make this recoverable (error in GIP client-transition) | |
| devClient.onUnrecoverableError() | |
| // We need to render an empty <App> so that the `<ReactDevOverlay>` can | |
| // render itself. | |
| // TODO: Fix disabled eslint rule | |
| // eslint-disable-next-line @typescript-eslint/no-use-before-define | |
| return doRender({ | |
| App: () => null, | |
| props: {}, | |
| Component: () => null, | |
| styleSheets: [], | |
| }) | |
| } | |
| // Make sure we log the error to the console, otherwise users can't track down issues. | |
| console.error(err) | |
| console.error( | |
| `A client-side exception has occurred, see here for more info: https://nextjs.org/docs/messages/client-side-exception-occurred` | |
| ) | |
| return pageLoader | |
| .loadPage('/_error') | |
| .then(({ page: ErrorComponent, styleSheets }) => { | |
| return lastAppProps?.Component === ErrorComponent | |
| ? import('../pages/_error') | |
| .then((errorModule) => { | |
| return import('../pages/_app').then((appModule) => { | |
| App = appModule.default as any as AppComponent | |
| renderErrorProps.App = App | |
| return errorModule | |
| }) | |
| }) | |
| .then((m) => ({ | |
| ErrorComponent: m.default as React.ComponentType<{}>, | |
| styleSheets: [], | |
| })) | |
| : { ErrorComponent, styleSheets } | |
| }) | |
| .then(({ ErrorComponent, styleSheets }) => { | |
| // In production we do a normal render with the `ErrorComponent` as component. | |
| // If we've gotten here upon initial render, we can use the props from the server. | |
| // Otherwise, we need to call `getInitialProps` on `App` before mounting. | |
| const AppTree = wrapApp(App) | |
| const appCtx = { | |
| Component: ErrorComponent, | |
| AppTree, | |
| router, | |
| ctx: { | |
| err, | |
| pathname: initialData.page, | |
| query: initialData.query, | |
| asPath, | |
| AppTree, | |
| }, | |
| } | |
| return Promise.resolve( | |
| renderErrorProps.props?.err | |
| ? renderErrorProps.props | |
| : loadGetInitialProps(App, appCtx) | |
| ).then((initProps) => | |
| // TODO: Fix disabled eslint rule | |
| // eslint-disable-next-line @typescript-eslint/no-use-before-define | |
| doRender({ | |
| ...renderErrorProps, | |
| err, | |
| Component: ErrorComponent, | |
| styleSheets, | |
| props: initProps, | |
| }) | |
| ) | |
| }) | |
| } | |
| // Dummy component that we render as a child of Root so that we can | |
| // toggle the correct styles before the page is rendered. | |
| function Head({ callback }: { callback: () => void }): null { | |
| // We use `useLayoutEffect` to guarantee the callback is executed | |
| // as soon as React flushes the update. | |
| React.useLayoutEffect(() => callback(), [callback]) | |
| return null | |
| } | |
| const performanceMarks = { | |
| navigationStart: 'navigationStart', | |
| beforeRender: 'beforeRender', | |
| afterRender: 'afterRender', | |
| afterHydrate: 'afterHydrate', | |
| routeChange: 'routeChange', | |
| } as const | |
| const performanceMeasures = { | |
| hydration: 'Next.js-hydration', | |
| beforeHydration: 'Next.js-before-hydration', | |
| routeChangeToRender: 'Next.js-route-change-to-render', | |
| render: 'Next.js-render', | |
| } as const | |
| let reactRoot: any = null | |
| // On initial render a hydrate should always happen | |
| let shouldHydrate: boolean = true | |
| function clearMarks(): void { | |
| ;[ | |
| performanceMarks.beforeRender, | |
| performanceMarks.afterHydrate, | |
| performanceMarks.afterRender, | |
| performanceMarks.routeChange, | |
| ].forEach((mark) => performance.clearMarks(mark)) | |
| } | |
| function markHydrateComplete(): void { | |
| if (!ST) return | |
| performance.mark(performanceMarks.afterHydrate) // mark end of hydration | |
| const hasBeforeRenderMark = performance.getEntriesByName( | |
| performanceMarks.beforeRender, | |
| 'mark' | |
| ).length | |
| if (hasBeforeRenderMark) { | |
| const beforeHydrationMeasure = performance.measure( | |
| performanceMeasures.beforeHydration, | |
| performanceMarks.navigationStart, | |
| performanceMarks.beforeRender | |
| ) | |
| const hydrationMeasure = performance.measure( | |
| performanceMeasures.hydration, | |
| performanceMarks.beforeRender, | |
| performanceMarks.afterHydrate | |
| ) | |
| if ( | |
| process.env.NODE_ENV === 'development' && | |
| // Old versions of Safari don't return `PerformanceMeasure`s from `performance.measure()` | |
| beforeHydrationMeasure && | |
| hydrationMeasure | |
| ) { | |
| tracer | |
| .startSpan('navigation-to-hydration', { | |
| startTime: performance.timeOrigin + beforeHydrationMeasure.startTime, | |
| attributes: { | |
| pathname: location.pathname, | |
| query: location.search, | |
| }, | |
| }) | |
| .end( | |
| performance.timeOrigin + | |
| hydrationMeasure.startTime + | |
| hydrationMeasure.duration | |
| ) | |
| } | |
| } | |
| if (onPerfEntry) { | |
| performance | |
| .getEntriesByName(performanceMeasures.hydration) | |
| .forEach(onPerfEntry) | |
| } | |
| clearMarks() | |
| } | |
| function markRenderComplete(): void { | |
| if (!ST) return | |
| performance.mark(performanceMarks.afterRender) // mark end of render | |
| const navStartEntries: PerformanceEntryList = performance.getEntriesByName( | |
| performanceMarks.routeChange, | |
| 'mark' | |
| ) | |
| if (!navStartEntries.length) return | |
| const hasBeforeRenderMark = performance.getEntriesByName( | |
| performanceMarks.beforeRender, | |
| 'mark' | |
| ).length | |
| if (hasBeforeRenderMark) { | |
| performance.measure( | |
| performanceMeasures.routeChangeToRender, | |
| navStartEntries[0].name, | |
| performanceMarks.beforeRender | |
| ) | |
| performance.measure( | |
| performanceMeasures.render, | |
| performanceMarks.beforeRender, | |
| performanceMarks.afterRender | |
| ) | |
| if (onPerfEntry) { | |
| performance | |
| .getEntriesByName(performanceMeasures.render) | |
| .forEach(onPerfEntry) | |
| performance | |
| .getEntriesByName(performanceMeasures.routeChangeToRender) | |
| .forEach(onPerfEntry) | |
| } | |
| } | |
| clearMarks() | |
| ;[ | |
| performanceMeasures.routeChangeToRender, | |
| performanceMeasures.render, | |
| ].forEach((measure) => performance.clearMeasures(measure)) | |
| } | |
| function renderReactElement( | |
| domEl: HTMLElement, | |
| fn: (cb: () => void) => JSX.Element | |
| ): void { | |
| // mark start of hydrate/render | |
| if (ST) { | |
| performance.mark(performanceMarks.beforeRender) | |
| } | |
| const reactEl = fn(shouldHydrate ? markHydrateComplete : markRenderComplete) | |
| if (!reactRoot) { | |
| // Unlike with createRoot, you don't need a separate root.render() call here | |
| reactRoot = ReactDOM.hydrateRoot(domEl, reactEl, { | |
| onRecoverableError, | |
| }) | |
| // TODO: Remove shouldHydrate variable when React 18 is stable as it can depend on `reactRoot` existing | |
| shouldHydrate = false | |
| } else { | |
| const startTransition = (React as any).startTransition | |
| startTransition(() => { | |
| reactRoot.render(reactEl) | |
| }) | |
| } | |
| } | |
| function Root({ | |
| callbacks, | |
| children, | |
| }: React.PropsWithChildren<{ | |
| callbacks: Array<() => void> | |
| }>): React.ReactElement { | |
| // We use `useLayoutEffect` to guarantee the callbacks are executed | |
| // as soon as React flushes the update | |
| React.useLayoutEffect( | |
| () => callbacks.forEach((callback) => callback()), | |
| [callbacks] | |
| ) | |
| if (process.env.__NEXT_TEST_MODE) { | |
| // eslint-disable-next-line react-hooks/rules-of-hooks | |
| React.useEffect(() => { | |
| window.__NEXT_HYDRATED = true | |
| window.__NEXT_HYDRATED_AT = performance.now() | |
| if (window.__NEXT_HYDRATED_CB) { | |
| window.__NEXT_HYDRATED_CB() | |
| } | |
| }, []) | |
| } | |
| return children as React.ReactElement | |
| } | |
| function doRender(input: RenderRouteInfo): Promise<any> { | |
| let { App, Component, props, err }: RenderRouteInfo = input | |
| let styleSheets: StyleSheetTuple[] | undefined = | |
| 'initial' in input ? undefined : input.styleSheets | |
| Component = Component || lastAppProps.Component | |
| props = props || lastAppProps.props | |
| const appProps: AppProps = { | |
| ...props, | |
| Component, | |
| err, | |
| router, | |
| } | |
| // lastAppProps has to be set before ReactDom.render to account for ReactDom throwing an error. | |
| lastAppProps = appProps | |
| let canceled: boolean = false | |
| let resolvePromise: () => void | |
| const renderPromise = new Promise<void>((resolve, reject) => { | |
| if (lastRenderReject) { | |
| lastRenderReject() | |
| } | |
| resolvePromise = () => { | |
| lastRenderReject = null | |
| resolve() | |
| } | |
| lastRenderReject = () => { | |
| canceled = true | |
| lastRenderReject = null | |
| const error: any = new Error('Cancel rendering route') | |
| error.cancelled = true | |
| reject(error) | |
| } | |
| }) | |
| // This function has a return type to ensure it doesn't start returning a | |
| // Promise. It should remain synchronous. | |
| function onStart(): boolean { | |
| if ( | |
| !styleSheets || | |
| // We use `style-loader` in development, so we don't need to do anything | |
| // unless we're in production: | |
| process.env.NODE_ENV !== 'production' | |
| ) { | |
| return false | |
| } | |
| const currentStyleTags: HTMLStyleElement[] = looseToArray<HTMLStyleElement>( | |
| document.querySelectorAll('style[data-n-href]') | |
| ) | |
| const currentHrefs: Set<string | null> = new Set( | |
| currentStyleTags.map((tag) => tag.getAttribute('data-n-href')) | |
| ) | |
| const noscript: Element | null = document.querySelector( | |
| 'noscript[data-n-css]' | |
| ) | |
| const nonce: string | null | undefined = | |
| noscript?.getAttribute('data-n-css') | |
| styleSheets.forEach(({ href, text }: { href: string; text: any }) => { | |
| if (!currentHrefs.has(href)) { | |
| const styleTag = document.createElement('style') | |
| styleTag.setAttribute('data-n-href', href) | |
| styleTag.setAttribute('media', 'x') | |
| if (nonce) { | |
| styleTag.setAttribute('nonce', nonce) | |
| } | |
| document.head.appendChild(styleTag) | |
| styleTag.appendChild(document.createTextNode(text)) | |
| } | |
| }) | |
| return true | |
| } | |
| function onHeadCommit(): void { | |
| if ( | |
| // Turbopack has it's own css injection handling, this code ends up removing the CSS. | |
| !process.env.TURBOPACK && | |
| // We use `style-loader` in development, so we don't need to do anything | |
| // unless we're in production: | |
| process.env.NODE_ENV === 'production' && | |
| // We can skip this during hydration. Running it wont cause any harm, but | |
| // we may as well save the CPU cycles: | |
| styleSheets && | |
| // Ensure this render was not canceled | |
| !canceled | |
| ) { | |
| const desiredHrefs: Set<string> = new Set(styleSheets.map((s) => s.href)) | |
| const currentStyleTags: HTMLStyleElement[] = | |
| looseToArray<HTMLStyleElement>( | |
| document.querySelectorAll('style[data-n-href]') | |
| ) | |
| const currentHrefs: string[] = currentStyleTags.map( | |
| (tag) => tag.getAttribute('data-n-href')! | |
| ) | |
| // Toggle `<style>` tags on or off depending on if they're needed: | |
| for (let idx = 0; idx < currentHrefs.length; ++idx) { | |
| if (desiredHrefs.has(currentHrefs[idx])) { | |
| currentStyleTags[idx].removeAttribute('media') | |
| } else { | |
| currentStyleTags[idx].setAttribute('media', 'x') | |
| } | |
| } | |
| // Reorder styles into intended order: | |
| let referenceNode: Element | null = document.querySelector( | |
| 'noscript[data-n-css]' | |
| ) | |
| if ( | |
| // This should be an invariant: | |
| referenceNode | |
| ) { | |
| styleSheets.forEach(({ href }: { href: string }) => { | |
| const targetTag: Element | null = document.querySelector( | |
| `style[data-n-href="${href}"]` | |
| ) | |
| if ( | |
| // This should be an invariant: | |
| targetTag | |
| ) { | |
| referenceNode!.parentNode!.insertBefore( | |
| targetTag, | |
| referenceNode!.nextSibling | |
| ) | |
| referenceNode = targetTag | |
| } | |
| }) | |
| } | |
| // Finally, clean up server rendered stylesheets: | |
| looseToArray<HTMLLinkElement>( | |
| document.querySelectorAll('link[data-n-p]') | |
| ).forEach((el) => { | |
| el.parentNode!.removeChild(el) | |
| }) | |
| } | |
| if (input.scroll) { | |
| const { x, y } = input.scroll | |
| disableSmoothScrollDuringRouteTransition(() => { | |
| window.scrollTo(x, y) | |
| }) | |
| } | |
| } | |
| function onRootCommit(): void { | |
| resolvePromise() | |
| } | |
| onStart() | |
| const elem: JSX.Element = ( | |
| <> | |
| <Head callback={onHeadCommit} /> | |
| <AppContainer> | |
| {renderApp(App, appProps)} | |
| <Portal type="next-route-announcer"> | |
| <RouteAnnouncer /> | |
| </Portal> | |
| </AppContainer> | |
| </> | |
| ) | |
| // We catch runtime errors using componentDidCatch which will trigger renderError | |
| renderReactElement(appElement!, (callback) => ( | |
| <Root callbacks={[callback, onRootCommit]}> | |
| {process.env.__NEXT_STRICT_MODE ? ( | |
| <React.StrictMode>{elem}</React.StrictMode> | |
| ) : ( | |
| elem | |
| )} | |
| </Root> | |
| )) | |
| return renderPromise | |
| } | |
| async function render(renderingProps: RenderRouteInfo): Promise<void> { | |
| // if an error occurs in a server-side page (e.g. in getInitialProps), | |
| // skip re-rendering the error page client-side as data-fetching operations | |
| // will already have been done on the server and NEXT_DATA contains the correct | |
| // data for straight-forward hydration of the error page | |
| if ( | |
| renderingProps.err && | |
| // renderingProps.Component might be undefined if there is a top/module-level error | |
| (typeof renderingProps.Component === 'undefined' || | |
| !renderingProps.isHydratePass) | |
| ) { | |
| await renderError(renderingProps) | |
| return | |
| } | |
| try { | |
| await doRender(renderingProps) | |
| } catch (err) { | |
| const renderErr = getProperError(err) | |
| // bubble up cancelation errors | |
| if ((renderErr as Error & { cancelled?: boolean }).cancelled) { | |
| throw renderErr | |
| } | |
| if (process.env.NODE_ENV === 'development') { | |
| // Ensure this error is displayed in the overlay in development | |
| setTimeout(() => { | |
| throw renderErr | |
| }) | |
| } | |
| await renderError({ ...renderingProps, err: renderErr }) | |
| } | |
| } | |
| export async function hydrate(opts?: { beforeRender?: () => Promise<void> }) { | |
| let initialErr = initialData.err | |
| try { | |
| const appEntrypoint = await pageLoader.routeLoader.whenEntrypoint('/_app') | |
| if ('error' in appEntrypoint) { | |
| throw appEntrypoint.error | |
| } | |
| const { component: app, exports: mod } = appEntrypoint | |
| CachedApp = app as AppComponent | |
| if (mod && mod.reportWebVitals) { | |
| onPerfEntry = ({ | |
| id, | |
| name, | |
| startTime, | |
| value, | |
| duration, | |
| entryType, | |
| entries, | |
| attribution, | |
| }: any): void => { | |
| // Combines timestamp with random number for unique ID | |
| const uniqueID: string = `${Date.now()}-${ | |
| Math.floor(Math.random() * (9e12 - 1)) + 1e12 | |
| }` | |
| let perfStartEntry: string | undefined | |
| if (entries && entries.length) { | |
| perfStartEntry = entries[0].startTime | |
| } | |
| const webVitals: NextWebVitalsMetric = { | |
| id: id || uniqueID, | |
| name, | |
| startTime: startTime || perfStartEntry, | |
| value: value == null ? duration : value, | |
| label: | |
| entryType === 'mark' || entryType === 'measure' | |
| ? 'custom' | |
| : 'web-vital', | |
| } | |
| if (attribution) { | |
| webVitals.attribution = attribution | |
| } | |
| mod.reportWebVitals(webVitals) | |
| } | |
| } | |
| const pageEntrypoint = | |
| // The dev server fails to serve script assets when there's a hydration | |
| // error, so we need to skip waiting for the entrypoint. | |
| process.env.NODE_ENV === 'development' && initialData.err | |
| ? { error: initialData.err } | |
| : await pageLoader.routeLoader.whenEntrypoint(initialData.page) | |
| if ('error' in pageEntrypoint) { | |
| throw pageEntrypoint.error | |
| } | |
| CachedComponent = pageEntrypoint.component | |
| if (process.env.NODE_ENV !== 'production') { | |
| const { isValidElementType } = | |
| require('next/dist/compiled/react-is') as typeof import('next/dist/compiled/react-is') | |
| if (!isValidElementType(CachedComponent)) { | |
| throw new Error( | |
| `The default export is not a React Component in page: "${initialData.page}"` | |
| ) | |
| } | |
| } | |
| } catch (error) { | |
| // This catches errors like throwing in the top level of a module | |
| initialErr = getProperError(error) | |
| } | |
| if (process.env.NODE_ENV === 'development') { | |
| const getServerError = ( | |
| require('../server/dev/node-stack-frames') as typeof import('../server/dev/node-stack-frames') | |
| ).getServerError | |
| // Server-side runtime errors need to be re-thrown on the client-side so | |
| // that the overlay is rendered. | |
| if (initialErr) { | |
| if (initialErr === initialData.err) { | |
| setTimeout(() => { | |
| let error | |
| try { | |
| // Generate a new error object. We `throw` it because some browsers | |
| // will set the `stack` when thrown, and we want to ensure ours is | |
| // not overridden when we re-throw it below. | |
| throw new Error(initialErr!.message) | |
| } catch (e) { | |
| error = e as Error | |
| } | |
| error.name = initialErr!.name | |
| error.stack = initialErr!.stack | |
| const errSource = initialErr.source! | |
| // In development, error the navigation API usage in runtime, | |
| // since it's not allowed to be used in pages router as it doesn't contain error boundary like app router. | |
| if (isNextRouterError(initialErr)) { | |
| error.message = | |
| 'Next.js navigation API is not allowed to be used in Pages Router.' | |
| } | |
| throw getServerError(error, errSource) | |
| }) | |
| } | |
| // We replaced the server-side error with a client-side error, and should | |
| // no longer rewrite the stack trace to a Node error. | |
| else { | |
| setTimeout(() => { | |
| throw initialErr | |
| }) | |
| } | |
| } | |
| } | |
| if (window.__NEXT_PRELOADREADY) { | |
| await window.__NEXT_PRELOADREADY(initialData.dynamicIds) | |
| } | |
| router = createRouter(initialData.page, initialData.query, asPath, { | |
| initialProps: initialData.props, | |
| pageLoader, | |
| App: CachedApp, | |
| Component: CachedComponent, | |
| wrapApp, | |
| err: initialErr, | |
| isFallback: Boolean(initialData.isFallback), | |
| subscription: (info, App, scroll) => | |
| render( | |
| Object.assign< | |
| {}, | |
| Omit<RenderRouteInfo, 'App' | 'scroll'>, | |
| Pick<RenderRouteInfo, 'App' | 'scroll'> | |
| >({}, info, { | |
| App, | |
| scroll, | |
| }) as RenderRouteInfo | |
| ), | |
| locale: initialData.locale, | |
| locales: initialData.locales, | |
| defaultLocale, | |
| domainLocales: initialData.domainLocales, | |
| isPreview: initialData.isPreview, | |
| }) | |
| initialMatchesMiddleware = await router._initialMatchesMiddlewarePromise | |
| const renderCtx: RenderRouteInfo = { | |
| App: CachedApp, | |
| initial: true, | |
| Component: CachedComponent, | |
| props: initialData.props, | |
| err: initialErr, | |
| isHydratePass: true, | |
| } | |
| if (opts?.beforeRender) { | |
| await opts.beforeRender() | |
| } | |
| render(renderCtx) | |
| } | |