06d8acdfd0
This pull request adds a test case for the reproduction provided in #12445. This bug is specifically caused when loading the next page before navigation has actually occurred. --- Fixes #12445
993 lines
28 KiB
TypeScript
993 lines
28 KiB
TypeScript
/* global __NEXT_DATA__ */
|
||
// tslint:disable:no-console
|
||
import { ParsedUrlQuery } from 'querystring'
|
||
import { ComponentType } from 'react'
|
||
import { UrlObject } from 'url'
|
||
import {
|
||
normalizePathTrailingSlash,
|
||
removePathTrailingSlash,
|
||
} from '../../../client/normalize-trailing-slash'
|
||
import type { GoodPageCache } from '../../../client/page-loader'
|
||
import mitt, { MittEmitter } from '../mitt'
|
||
import {
|
||
AppContextType,
|
||
formatWithValidation,
|
||
getLocationOrigin,
|
||
getURL,
|
||
loadGetInitialProps,
|
||
NextPageContext,
|
||
ST,
|
||
} from '../utils'
|
||
import { isDynamicRoute } from './utils/is-dynamic'
|
||
import { parseRelativeUrl } from './utils/parse-relative-url'
|
||
import { searchParamsToUrlQuery } from './utils/querystring'
|
||
import { getRouteMatcher } from './utils/route-matcher'
|
||
import { getRouteRegex } from './utils/route-regex'
|
||
import { denormalizePagePath } from '../../server/denormalize-page-path'
|
||
import resolveRewrites from './utils/resolve-rewrites'
|
||
|
||
interface TransitionOptions {
|
||
shallow?: boolean
|
||
}
|
||
|
||
interface NextHistoryState {
|
||
url: string
|
||
as: string
|
||
options: TransitionOptions
|
||
}
|
||
|
||
type HistoryState = null | { __N: false } | ({ __N: true } & NextHistoryState)
|
||
|
||
const basePath = (process.env.__NEXT_ROUTER_BASEPATH as string) || ''
|
||
|
||
function buildCancellationError() {
|
||
return Object.assign(new Error('Route Cancelled'), {
|
||
cancelled: true,
|
||
})
|
||
}
|
||
|
||
export function hasBasePath(path: string): boolean {
|
||
return path === basePath || path.startsWith(basePath + '/')
|
||
}
|
||
|
||
export function addBasePath(path: string): string {
|
||
// we only add the basepath on relative urls
|
||
return basePath && path.startsWith('/')
|
||
? path === '/'
|
||
? normalizePathTrailingSlash(basePath)
|
||
: basePath + path
|
||
: path
|
||
}
|
||
|
||
export function delBasePath(path: string): string {
|
||
return path.slice(basePath.length) || '/'
|
||
}
|
||
|
||
/**
|
||
* Detects whether a given url is routable by the Next.js router (browser only).
|
||
*/
|
||
export function isLocalURL(url: string): boolean {
|
||
if (url.startsWith('/')) return true
|
||
try {
|
||
// absolute urls can be local if they are on the same origin
|
||
const locationOrigin = getLocationOrigin()
|
||
const resolved = new URL(url, locationOrigin)
|
||
return resolved.origin === locationOrigin && hasBasePath(resolved.pathname)
|
||
} catch (_) {
|
||
return false
|
||
}
|
||
}
|
||
|
||
type Url = UrlObject | string
|
||
|
||
/**
|
||
* Resolves a given hyperlink with a certain router state (basePath not included).
|
||
* Preserves absolute urls.
|
||
*/
|
||
export function resolveHref(currentPath: string, href: Url): string {
|
||
// we use a dummy base url for relative urls
|
||
const base = new URL(currentPath, 'http://n')
|
||
const urlAsString =
|
||
typeof href === 'string' ? href : formatWithValidation(href)
|
||
try {
|
||
const finalUrl = new URL(urlAsString, base)
|
||
finalUrl.pathname = normalizePathTrailingSlash(finalUrl.pathname)
|
||
// if the origin didn't change, it means we received a relative href
|
||
return finalUrl.origin === base.origin
|
||
? finalUrl.href.slice(finalUrl.origin.length)
|
||
: finalUrl.href
|
||
} catch (_) {
|
||
return urlAsString
|
||
}
|
||
}
|
||
|
||
const PAGE_LOAD_ERROR = Symbol('PAGE_LOAD_ERROR')
|
||
export function markLoadingError(err: Error): Error {
|
||
return Object.defineProperty(err, PAGE_LOAD_ERROR, {})
|
||
}
|
||
|
||
function prepareUrlAs(router: NextRouter, url: Url, as: Url) {
|
||
// If url and as provided as an object representation,
|
||
// we'll format them into the string version here.
|
||
return {
|
||
url: addBasePath(resolveHref(router.pathname, url)),
|
||
as: as ? addBasePath(resolveHref(router.pathname, as)) : as,
|
||
}
|
||
}
|
||
|
||
function tryParseRelativeUrl(
|
||
url: string
|
||
): null | ReturnType<typeof parseRelativeUrl> {
|
||
try {
|
||
return parseRelativeUrl(url)
|
||
} catch (err) {
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
setTimeout(() => {
|
||
throw new Error(
|
||
`Invalid href passed to router: ${url} https://err.sh/vercel/next.js/invalid-href-passed`
|
||
)
|
||
}, 0)
|
||
}
|
||
return null
|
||
}
|
||
}
|
||
|
||
export type BaseRouter = {
|
||
route: string
|
||
pathname: string
|
||
query: ParsedUrlQuery
|
||
asPath: string
|
||
basePath: string
|
||
}
|
||
|
||
export type NextRouter = BaseRouter &
|
||
Pick<
|
||
Router,
|
||
| 'push'
|
||
| 'replace'
|
||
| 'reload'
|
||
| 'back'
|
||
| 'prefetch'
|
||
| 'beforePopState'
|
||
| 'events'
|
||
| 'isFallback'
|
||
>
|
||
|
||
export type PrefetchOptions = {
|
||
priority?: boolean
|
||
}
|
||
|
||
export type PrivateRouteInfo = {
|
||
Component: ComponentType
|
||
styleSheets: string[]
|
||
__N_SSG?: boolean
|
||
__N_SSP?: boolean
|
||
props?: Record<string, any>
|
||
err?: Error
|
||
error?: any
|
||
}
|
||
|
||
export type AppProps = Pick<PrivateRouteInfo, 'Component' | 'err'> & {
|
||
router: Router
|
||
} & Record<string, any>
|
||
export type AppComponent = ComponentType<AppProps>
|
||
|
||
type Subscription = (data: PrivateRouteInfo, App: AppComponent) => Promise<void>
|
||
|
||
type BeforePopStateCallback = (state: NextHistoryState) => boolean
|
||
|
||
type ComponentLoadCancel = (() => void) | null
|
||
|
||
type HistoryMethod = 'replaceState' | 'pushState'
|
||
|
||
const manualScrollRestoration =
|
||
process.env.__NEXT_SCROLL_RESTORATION &&
|
||
typeof window !== 'undefined' &&
|
||
'scrollRestoration' in window.history
|
||
|
||
function fetchRetry(url: string, attempts: number): Promise<any> {
|
||
return fetch(url, {
|
||
// Cookies are required to be present for Next.js' SSG "Preview Mode".
|
||
// Cookies may also be required for `getServerSideProps`.
|
||
//
|
||
// > `fetch` won’t send cookies, unless you set the credentials init
|
||
// > option.
|
||
// https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch
|
||
//
|
||
// > For maximum browser compatibility when it comes to sending &
|
||
// > receiving cookies, always supply the `credentials: 'same-origin'`
|
||
// > option instead of relying on the default.
|
||
// https://github.com/github/fetch#caveats
|
||
credentials: 'same-origin',
|
||
}).then((res) => {
|
||
if (!res.ok) {
|
||
if (attempts > 1 && res.status >= 500) {
|
||
return fetchRetry(url, attempts - 1)
|
||
}
|
||
throw new Error(`Failed to load static props`)
|
||
}
|
||
|
||
return res.json()
|
||
})
|
||
}
|
||
|
||
function fetchNextData(dataHref: string, isServerRender: boolean) {
|
||
return fetchRetry(dataHref, isServerRender ? 3 : 1).catch((err: Error) => {
|
||
// We should only trigger a server-side transition if this was caused
|
||
// on a client-side transition. Otherwise, we'd get into an infinite
|
||
// loop.
|
||
if (!isServerRender) {
|
||
markLoadingError(err)
|
||
}
|
||
throw err
|
||
})
|
||
}
|
||
|
||
export default class Router implements BaseRouter {
|
||
route: string
|
||
pathname: string
|
||
query: ParsedUrlQuery
|
||
asPath: string
|
||
basePath: string
|
||
|
||
/**
|
||
* Map of all components loaded in `Router`
|
||
*/
|
||
components: { [pathname: string]: PrivateRouteInfo }
|
||
// Static Data Cache
|
||
sdc: { [asPath: string]: object } = {}
|
||
sub: Subscription
|
||
clc: ComponentLoadCancel
|
||
pageLoader: any
|
||
_bps: BeforePopStateCallback | undefined
|
||
events: MittEmitter
|
||
_wrapApp: (App: AppComponent) => any
|
||
isSsr: boolean
|
||
isFallback: boolean
|
||
_inFlightRoute?: string
|
||
|
||
static events: MittEmitter = mitt()
|
||
|
||
constructor(
|
||
pathname: string,
|
||
query: ParsedUrlQuery,
|
||
as: string,
|
||
{
|
||
initialProps,
|
||
pageLoader,
|
||
App,
|
||
wrapApp,
|
||
Component,
|
||
initialStyleSheets,
|
||
err,
|
||
subscription,
|
||
isFallback,
|
||
}: {
|
||
subscription: Subscription
|
||
initialProps: any
|
||
pageLoader: any
|
||
Component: ComponentType
|
||
initialStyleSheets: string[]
|
||
App: AppComponent
|
||
wrapApp: (App: AppComponent) => any
|
||
err?: Error
|
||
isFallback: boolean
|
||
}
|
||
) {
|
||
// represents the current component key
|
||
this.route = removePathTrailingSlash(pathname)
|
||
|
||
// set up the component cache (by route keys)
|
||
this.components = {}
|
||
// We should not keep the cache, if there's an error
|
||
// Otherwise, this cause issues when when going back and
|
||
// come again to the errored page.
|
||
if (pathname !== '/_error') {
|
||
this.components[this.route] = {
|
||
Component,
|
||
styleSheets: initialStyleSheets,
|
||
props: initialProps,
|
||
err,
|
||
__N_SSG: initialProps && initialProps.__N_SSG,
|
||
__N_SSP: initialProps && initialProps.__N_SSP,
|
||
}
|
||
}
|
||
|
||
this.components['/_app'] = {
|
||
Component: App as ComponentType,
|
||
styleSheets: [
|
||
/* /_app does not need its stylesheets managed */
|
||
],
|
||
}
|
||
|
||
// Backwards compat for Router.router.events
|
||
// TODO: Should be remove the following major version as it was never documented
|
||
this.events = Router.events
|
||
|
||
this.pageLoader = pageLoader
|
||
this.pathname = pathname
|
||
this.query = query
|
||
// if auto prerendered and dynamic route wait to update asPath
|
||
// until after mount to prevent hydration mismatch
|
||
this.asPath =
|
||
// @ts-ignore this is temporarily global (attached to window)
|
||
isDynamicRoute(pathname) && __NEXT_DATA__.autoExport ? pathname : as
|
||
this.basePath = basePath
|
||
this.sub = subscription
|
||
this.clc = null
|
||
this._wrapApp = wrapApp
|
||
// make sure to ignore extra popState in safari on navigating
|
||
// back from external site
|
||
this.isSsr = true
|
||
|
||
this.isFallback = isFallback
|
||
|
||
if (typeof window !== 'undefined') {
|
||
// make sure "as" doesn't start with double slashes or else it can
|
||
// throw an error as it's considered invalid
|
||
if (as.substr(0, 2) !== '//') {
|
||
// in order for `e.state` to work on the `onpopstate` event
|
||
// we have to register the initial route upon initialization
|
||
this.changeState(
|
||
'replaceState',
|
||
formatWithValidation({ pathname: addBasePath(pathname), query }),
|
||
getURL()
|
||
)
|
||
}
|
||
|
||
window.addEventListener('popstate', this.onPopState)
|
||
|
||
// enable custom scroll restoration handling when available
|
||
// otherwise fallback to browser's default handling
|
||
if (process.env.__NEXT_SCROLL_RESTORATION) {
|
||
if (manualScrollRestoration) {
|
||
window.history.scrollRestoration = 'manual'
|
||
|
||
let scrollDebounceTimeout: undefined | NodeJS.Timeout
|
||
|
||
const debouncedScrollSave = () => {
|
||
if (scrollDebounceTimeout) clearTimeout(scrollDebounceTimeout)
|
||
|
||
scrollDebounceTimeout = setTimeout(() => {
|
||
const { url, as: curAs, options } = history.state
|
||
this.changeState(
|
||
'replaceState',
|
||
url,
|
||
curAs,
|
||
Object.assign({}, options, {
|
||
_N_X: window.scrollX,
|
||
_N_Y: window.scrollY,
|
||
})
|
||
)
|
||
}, 10)
|
||
}
|
||
|
||
window.addEventListener('scroll', debouncedScrollSave)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
onPopState = (e: PopStateEvent): void => {
|
||
const state = e.state as HistoryState
|
||
|
||
if (!state) {
|
||
// We get state as undefined for two reasons.
|
||
// 1. With older safari (< 8) and older chrome (< 34)
|
||
// 2. When the URL changed with #
|
||
//
|
||
// In the both cases, we don't need to proceed and change the route.
|
||
// (as it's already changed)
|
||
// But we can simply replace the state with the new changes.
|
||
// Actually, for (1) we don't need to nothing. But it's hard to detect that event.
|
||
// So, doing the following for (1) does no harm.
|
||
const { pathname, query } = this
|
||
this.changeState(
|
||
'replaceState',
|
||
formatWithValidation({ pathname: addBasePath(pathname), query }),
|
||
getURL()
|
||
)
|
||
return
|
||
}
|
||
|
||
if (!state.__N) {
|
||
return
|
||
}
|
||
|
||
const { url, as, options } = state
|
||
|
||
const { pathname } = parseRelativeUrl(url)
|
||
|
||
// Make sure we don't re-render on initial load,
|
||
// can be caused by navigating back from an external site
|
||
if (this.isSsr && as === this.asPath && pathname === this.pathname) {
|
||
return
|
||
}
|
||
|
||
// If the downstream application returns falsy, return.
|
||
// They will then be responsible for handling the event.
|
||
if (this._bps && !this._bps(state)) {
|
||
return
|
||
}
|
||
|
||
this.change('replaceState', url, as, options)
|
||
}
|
||
|
||
reload(): void {
|
||
window.location.reload()
|
||
}
|
||
|
||
/**
|
||
* Go back in history
|
||
*/
|
||
back() {
|
||
window.history.back()
|
||
}
|
||
|
||
/**
|
||
* Performs a `pushState` with arguments
|
||
* @param url of the route
|
||
* @param as masks `url` for the browser
|
||
* @param options object you can define `shallow` and other options
|
||
*/
|
||
push(url: Url, as: Url = url, options: TransitionOptions = {}) {
|
||
;({ url, as } = prepareUrlAs(this, url, as))
|
||
return this.change('pushState', url, as, options)
|
||
}
|
||
|
||
/**
|
||
* Performs a `replaceState` with arguments
|
||
* @param url of the route
|
||
* @param as masks `url` for the browser
|
||
* @param options object you can define `shallow` and other options
|
||
*/
|
||
replace(url: Url, as: Url = url, options: TransitionOptions = {}) {
|
||
;({ url, as } = prepareUrlAs(this, url, as))
|
||
return this.change('replaceState', url, as, options)
|
||
}
|
||
|
||
async change(
|
||
method: HistoryMethod,
|
||
url: string,
|
||
as: string,
|
||
options: TransitionOptions
|
||
): Promise<boolean> {
|
||
if (!isLocalURL(url)) {
|
||
window.location.href = url
|
||
return false
|
||
}
|
||
|
||
if (!(options as any)._h) {
|
||
this.isSsr = false
|
||
}
|
||
// marking route changes as a navigation start entry
|
||
if (ST) {
|
||
performance.mark('routeChange')
|
||
}
|
||
|
||
if (this._inFlightRoute) {
|
||
this.abortComponentLoad(this._inFlightRoute)
|
||
}
|
||
|
||
const cleanedAs = hasBasePath(as) ? delBasePath(as) : as
|
||
this._inFlightRoute = as
|
||
|
||
// If the url change is only related to a hash change
|
||
// We should not proceed. We should only change the state.
|
||
|
||
// 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.
|
||
if (!(options as any)._h && this.onlyAHashChange(cleanedAs)) {
|
||
this.asPath = cleanedAs
|
||
Router.events.emit('hashChangeStart', as)
|
||
// TODO: do we need the resolved href when only a hash change?
|
||
this.changeState(method, url, as, options)
|
||
this.scrollToHash(cleanedAs)
|
||
this.notify(this.components[this.route])
|
||
Router.events.emit('hashChangeComplete', as)
|
||
return true
|
||
}
|
||
|
||
// The build manifest needs to be loaded before auto-static dynamic pages
|
||
// get their query parameters to allow ensuring they can be parsed properly
|
||
// when rewritten to
|
||
const pages = await this.pageLoader.getPageList()
|
||
const { __rewrites: rewrites } = await this.pageLoader.promisedBuildManifest
|
||
|
||
let parsed = tryParseRelativeUrl(url)
|
||
|
||
if (!parsed) return false
|
||
|
||
let { pathname, searchParams } = parsed
|
||
|
||
parsed = this._resolveHref(parsed, pages) as typeof parsed
|
||
|
||
if (parsed.pathname !== pathname) {
|
||
pathname = parsed.pathname
|
||
url = formatWithValidation(parsed)
|
||
}
|
||
|
||
const query = searchParamsToUrlQuery(searchParams)
|
||
|
||
// url and as should always be prefixed with basePath by this
|
||
// point by either next/link or router.push/replace so strip the
|
||
// basePath from the pathname to match the pages dir 1-to-1
|
||
pathname = pathname
|
||
? removePathTrailingSlash(delBasePath(pathname))
|
||
: pathname
|
||
|
||
// If asked to change the current URL we should reload the current page
|
||
// (not location.reload() but reload getInitialProps and other Next.js stuffs)
|
||
// We also need to set the method = replaceState always
|
||
// as this should not go into the history (That's how browsers work)
|
||
// We should compare the new asPath to the current asPath, not the url
|
||
if (!this.urlIsNew(cleanedAs)) {
|
||
method = 'replaceState'
|
||
}
|
||
|
||
const route = removePathTrailingSlash(pathname)
|
||
const { shallow = false } = options
|
||
|
||
// we need to resolve the as value using rewrites for dynamic SSG
|
||
// pages to allow building the data URL correctly
|
||
let resolvedAs = as
|
||
|
||
if (process.env.__NEXT_HAS_REWRITES) {
|
||
resolvedAs = resolveRewrites(as, pages, basePath, rewrites, query)
|
||
}
|
||
resolvedAs = delBasePath(resolvedAs)
|
||
|
||
if (isDynamicRoute(route)) {
|
||
const { pathname: asPathname } = parseRelativeUrl(resolvedAs)
|
||
const routeRegex = getRouteRegex(route)
|
||
const routeMatch = getRouteMatcher(routeRegex)(asPathname)
|
||
if (!routeMatch) {
|
||
const missingParams = Object.keys(routeRegex.groups).filter(
|
||
(param) => !query[param]
|
||
)
|
||
|
||
if (missingParams.length > 0) {
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
console.warn(
|
||
`Mismatching \`as\` and \`href\` failed to manually provide ` +
|
||
`the params: ${missingParams.join(
|
||
', '
|
||
)} in the \`href\`'s \`query\``
|
||
)
|
||
}
|
||
|
||
throw new Error(
|
||
`The provided \`as\` value (${asPathname}) is incompatible with the \`href\` value (${route}). ` +
|
||
`Read more: https://err.sh/vercel/next.js/incompatible-href-as`
|
||
)
|
||
}
|
||
} else {
|
||
// Merge params into `query`, overwriting any specified in search
|
||
Object.assign(query, routeMatch)
|
||
}
|
||
}
|
||
|
||
Router.events.emit('routeChangeStart', as)
|
||
|
||
try {
|
||
const routeInfo = await this.getRouteInfo(
|
||
route,
|
||
pathname,
|
||
query,
|
||
as,
|
||
shallow
|
||
)
|
||
const { error } = routeInfo
|
||
|
||
Router.events.emit('beforeHistoryChange', as)
|
||
this.changeState(method, url, as, options)
|
||
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
const appComp: any = this.components['/_app'].Component
|
||
;(window as any).next.isPrerendered =
|
||
appComp.getInitialProps === appComp.origGetInitialProps &&
|
||
!(routeInfo.Component as any).getInitialProps
|
||
}
|
||
|
||
await this.set(route, pathname!, query, cleanedAs, routeInfo)
|
||
|
||
if (error) {
|
||
Router.events.emit('routeChangeError', error, cleanedAs)
|
||
throw error
|
||
}
|
||
|
||
if (process.env.__NEXT_SCROLL_RESTORATION) {
|
||
if (manualScrollRestoration && '_N_X' in options) {
|
||
window.scrollTo((options as any)._N_X, (options as any)._N_Y)
|
||
}
|
||
}
|
||
Router.events.emit('routeChangeComplete', as)
|
||
|
||
return true
|
||
} catch (err) {
|
||
if (err.cancelled) {
|
||
return false
|
||
}
|
||
throw err
|
||
}
|
||
}
|
||
|
||
changeState(
|
||
method: HistoryMethod,
|
||
url: string,
|
||
as: string,
|
||
options: TransitionOptions = {}
|
||
): void {
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
if (typeof window.history === 'undefined') {
|
||
console.error(`Warning: window.history is not available.`)
|
||
return
|
||
}
|
||
|
||
if (typeof window.history[method] === 'undefined') {
|
||
console.error(`Warning: window.history.${method} is not available`)
|
||
return
|
||
}
|
||
}
|
||
|
||
if (method !== 'pushState' || getURL() !== as) {
|
||
window.history[method](
|
||
{
|
||
url,
|
||
as,
|
||
options,
|
||
__N: true,
|
||
} as HistoryState,
|
||
// Most browsers currently ignores this parameter, although they may use it in the future.
|
||
// Passing the empty string here should be safe against future changes to the method.
|
||
// https://developer.mozilla.org/en-US/docs/Web/API/History/replaceState
|
||
'',
|
||
as
|
||
)
|
||
}
|
||
}
|
||
|
||
async handleRouteInfoError(
|
||
err: Error & { code: any; cancelled: boolean },
|
||
pathname: string,
|
||
query: ParsedUrlQuery,
|
||
as: string,
|
||
loadErrorFail?: boolean
|
||
): Promise<PrivateRouteInfo> {
|
||
if (err.cancelled) {
|
||
// bubble up cancellation errors
|
||
throw err
|
||
}
|
||
|
||
if (PAGE_LOAD_ERROR in err || loadErrorFail) {
|
||
Router.events.emit('routeChangeError', err, as)
|
||
|
||
// If we can't load the page it could be one of following reasons
|
||
// 1. Page doesn't exists
|
||
// 2. Page does exist in a different zone
|
||
// 3. Internal error while loading the page
|
||
|
||
// So, doing a hard reload is the proper way to deal with this.
|
||
window.location.href = as
|
||
|
||
// Changing the URL doesn't block executing the current code path.
|
||
// So let's throw a cancellation error stop the routing logic.
|
||
throw buildCancellationError()
|
||
}
|
||
|
||
try {
|
||
const { page: Component, styleSheets } = await this.fetchComponent(
|
||
'/_error'
|
||
)
|
||
const routeInfo: PrivateRouteInfo = {
|
||
Component,
|
||
styleSheets,
|
||
err,
|
||
error: err,
|
||
}
|
||
|
||
try {
|
||
routeInfo.props = await this.getInitialProps(Component, {
|
||
err,
|
||
pathname,
|
||
query,
|
||
} as any)
|
||
} catch (gipErr) {
|
||
console.error('Error in error page `getInitialProps`: ', gipErr)
|
||
routeInfo.props = {}
|
||
}
|
||
|
||
return routeInfo
|
||
} catch (routeInfoErr) {
|
||
return this.handleRouteInfoError(routeInfoErr, pathname, query, as, true)
|
||
}
|
||
}
|
||
|
||
async getRouteInfo(
|
||
route: string,
|
||
pathname: string,
|
||
query: any,
|
||
as: string,
|
||
shallow: boolean = false
|
||
): Promise<PrivateRouteInfo> {
|
||
try {
|
||
const cachedRouteInfo = this.components[route]
|
||
|
||
if (shallow && cachedRouteInfo && this.route === route) {
|
||
return cachedRouteInfo
|
||
}
|
||
|
||
const routeInfo: PrivateRouteInfo = cachedRouteInfo
|
||
? cachedRouteInfo
|
||
: await this.fetchComponent(route).then((res) => ({
|
||
Component: res.page,
|
||
styleSheets: res.styleSheets,
|
||
__N_SSG: res.mod.__N_SSG,
|
||
__N_SSP: res.mod.__N_SSP,
|
||
}))
|
||
|
||
const { Component, __N_SSG, __N_SSP } = routeInfo
|
||
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
const { isValidElementType } = require('react-is')
|
||
if (!isValidElementType(Component)) {
|
||
throw new Error(
|
||
`The default export is not a React Component in page: "${pathname}"`
|
||
)
|
||
}
|
||
}
|
||
|
||
let dataHref: string | undefined
|
||
|
||
if (__N_SSG || __N_SSP) {
|
||
dataHref = this.pageLoader.getDataHref(
|
||
formatWithValidation({ pathname, query }),
|
||
delBasePath(as),
|
||
__N_SSG
|
||
)
|
||
}
|
||
|
||
const props = await this._getData<PrivateRouteInfo>(() =>
|
||
__N_SSG
|
||
? this._getStaticData(dataHref!)
|
||
: __N_SSP
|
||
? this._getServerData(dataHref!)
|
||
: this.getInitialProps(
|
||
Component,
|
||
// we provide AppTree later so this needs to be `any`
|
||
{
|
||
pathname,
|
||
query,
|
||
asPath: as,
|
||
} as any
|
||
)
|
||
)
|
||
routeInfo.props = props
|
||
this.components[route] = routeInfo
|
||
return routeInfo
|
||
} catch (err) {
|
||
return this.handleRouteInfoError(err, pathname, query, as)
|
||
}
|
||
}
|
||
|
||
set(
|
||
route: string,
|
||
pathname: string,
|
||
query: ParsedUrlQuery,
|
||
as: string,
|
||
data: PrivateRouteInfo
|
||
): Promise<void> {
|
||
this.isFallback = false
|
||
|
||
this.route = route
|
||
this.pathname = pathname
|
||
this.query = query
|
||
this.asPath = as
|
||
return this.notify(data)
|
||
}
|
||
|
||
/**
|
||
* Callback to execute before replacing router state
|
||
* @param cb callback to be executed
|
||
*/
|
||
beforePopState(cb: BeforePopStateCallback) {
|
||
this._bps = cb
|
||
}
|
||
|
||
onlyAHashChange(as: string): boolean {
|
||
if (!this.asPath) return false
|
||
const [oldUrlNoHash, oldHash] = this.asPath.split('#')
|
||
const [newUrlNoHash, newHash] = as.split('#')
|
||
|
||
// Makes sure we scroll to the provided hash if the url/hash are the same
|
||
if (newHash && oldUrlNoHash === newUrlNoHash && oldHash === newHash) {
|
||
return true
|
||
}
|
||
|
||
// If the urls are change, there's more than a hash change
|
||
if (oldUrlNoHash !== newUrlNoHash) {
|
||
return false
|
||
}
|
||
|
||
// If the hash has changed, then it's a hash only change.
|
||
// This check is necessary to handle both the enter and
|
||
// leave hash === '' cases. The identity case falls through
|
||
// and is treated as a next reload.
|
||
return oldHash !== newHash
|
||
}
|
||
|
||
scrollToHash(as: string): void {
|
||
const [, hash] = as.split('#')
|
||
// Scroll to top if the hash is just `#` with no value
|
||
if (hash === '') {
|
||
window.scrollTo(0, 0)
|
||
return
|
||
}
|
||
|
||
// First we check if the element by id is found
|
||
const idEl = document.getElementById(hash)
|
||
if (idEl) {
|
||
idEl.scrollIntoView()
|
||
return
|
||
}
|
||
// If there's no element with the id, we check the `name` property
|
||
// To mirror browsers
|
||
const nameEl = document.getElementsByName(hash)[0]
|
||
if (nameEl) {
|
||
nameEl.scrollIntoView()
|
||
}
|
||
}
|
||
|
||
urlIsNew(asPath: string): boolean {
|
||
return this.asPath !== asPath
|
||
}
|
||
|
||
_resolveHref(parsedHref: UrlObject, pages: string[]) {
|
||
const { pathname } = parsedHref
|
||
const cleanPathname = denormalizePagePath(delBasePath(pathname!))
|
||
|
||
if (cleanPathname === '/404' || cleanPathname === '/_error') {
|
||
return parsedHref
|
||
}
|
||
|
||
// handle resolving href for dynamic routes
|
||
if (!pages.includes(cleanPathname!)) {
|
||
// eslint-disable-next-line array-callback-return
|
||
pages.some((page) => {
|
||
if (
|
||
isDynamicRoute(page) &&
|
||
getRouteRegex(page).re.test(cleanPathname!)
|
||
) {
|
||
parsedHref.pathname = addBasePath(page)
|
||
return true
|
||
}
|
||
})
|
||
}
|
||
return parsedHref
|
||
}
|
||
|
||
/**
|
||
* Prefetch page code, you may wait for the data during page rendering.
|
||
* This feature only works in production!
|
||
* @param url the href of prefetched page
|
||
* @param asPath the as path of the prefetched page
|
||
*/
|
||
async prefetch(
|
||
url: string,
|
||
asPath: string = url,
|
||
options: PrefetchOptions = {}
|
||
): Promise<void> {
|
||
let parsed = tryParseRelativeUrl(url)
|
||
|
||
if (!parsed) return
|
||
|
||
let { pathname } = parsed
|
||
|
||
const pages = await this.pageLoader.getPageList()
|
||
|
||
parsed = this._resolveHref(parsed, pages) as typeof parsed
|
||
|
||
if (parsed.pathname !== pathname) {
|
||
pathname = parsed.pathname
|
||
url = formatWithValidation(parsed)
|
||
}
|
||
|
||
// Prefetch is not supported in development mode because it would trigger on-demand-entries
|
||
if (process.env.NODE_ENV !== 'production') {
|
||
return
|
||
}
|
||
|
||
const route = removePathTrailingSlash(pathname)
|
||
await Promise.all([
|
||
this.pageLoader.prefetchData(url, asPath),
|
||
this.pageLoader[options.priority ? 'loadPage' : 'prefetch'](route),
|
||
])
|
||
}
|
||
|
||
async fetchComponent(route: string): Promise<GoodPageCache> {
|
||
let cancelled = false
|
||
const cancel = (this.clc = () => {
|
||
cancelled = true
|
||
})
|
||
|
||
const componentResult = await this.pageLoader.loadPage(route)
|
||
|
||
if (cancelled) {
|
||
const error: any = new Error(
|
||
`Abort fetching component for route: "${route}"`
|
||
)
|
||
error.cancelled = true
|
||
throw error
|
||
}
|
||
|
||
if (cancel === this.clc) {
|
||
this.clc = null
|
||
}
|
||
|
||
return componentResult
|
||
}
|
||
|
||
_getData<T>(fn: () => Promise<T>): Promise<T> {
|
||
let cancelled = false
|
||
const cancel = () => {
|
||
cancelled = true
|
||
}
|
||
this.clc = cancel
|
||
return fn().then((data) => {
|
||
if (cancel === this.clc) {
|
||
this.clc = null
|
||
}
|
||
|
||
if (cancelled) {
|
||
const err: any = new Error('Loading initial props cancelled')
|
||
err.cancelled = true
|
||
throw err
|
||
}
|
||
|
||
return data
|
||
})
|
||
}
|
||
|
||
_getStaticData(dataHref: string): Promise<object> {
|
||
const { href: cacheKey } = new URL(dataHref, window.location.href)
|
||
if (process.env.NODE_ENV === 'production' && this.sdc[cacheKey]) {
|
||
return Promise.resolve(this.sdc[cacheKey])
|
||
}
|
||
return fetchNextData(dataHref, this.isSsr).then((data) => {
|
||
this.sdc[cacheKey] = data
|
||
return data
|
||
})
|
||
}
|
||
|
||
_getServerData(dataHref: string): Promise<object> {
|
||
return fetchNextData(dataHref, this.isSsr)
|
||
}
|
||
|
||
getInitialProps(
|
||
Component: ComponentType,
|
||
ctx: NextPageContext
|
||
): Promise<any> {
|
||
const { Component: App } = this.components['/_app']
|
||
const AppTree = this._wrapApp(App as AppComponent)
|
||
ctx.AppTree = AppTree
|
||
return loadGetInitialProps<AppContextType<Router>>(App, {
|
||
AppTree,
|
||
Component,
|
||
router: this,
|
||
ctx,
|
||
})
|
||
}
|
||
|
||
abortComponentLoad(as: string): void {
|
||
if (this.clc) {
|
||
Router.events.emit('routeChangeError', buildCancellationError(), as)
|
||
this.clc()
|
||
this.clc = null
|
||
}
|
||
}
|
||
|
||
notify(data: PrivateRouteInfo): Promise<void> {
|
||
return this.sub(data, this.components['/_app'].Component as AppComponent)
|
||
}
|
||
}
|