Download next.js/packages/next/src/client/dev/hot-middleware-client.ts from Devendra174/react-code-dataset: direct link, hf CLI and curl.
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2.89 kB
| import type { | |
| NextRouter, | |
| PrivateRouteInfo, | |
| } from '../../shared/lib/router/router' | |
| import connect from './hot-reloader/pages/hot-reloader-pages' | |
| import { sendMessage } from './hot-reloader/pages/websocket' | |
| // Define a local type for the window.next object | |
| interface NextWindow { | |
| next?: { | |
| router?: NextRouter & { | |
| components: { [pathname: string]: PrivateRouteInfo } | |
| } | |
| } | |
| __nextDevClientId?: string | |
| location: Location | |
| } | |
| declare const window: NextWindow | |
| let reloading = false | |
| export default () => { | |
| const devClient = connect() | |
| devClient.subscribeToHmrEvent((obj: any) => { | |
| if (reloading) return | |
| // Retrieve the router if it's available | |
| const router = window.next?.router | |
| // Determine if we're on an error page or the router is not initialized | |
| const isOnErrorPage = | |
| !router || router.pathname === '/404' || router.pathname === '/_error' | |
| switch (obj.action) { | |
| case 'reloadPage': { | |
| sendMessage( | |
| JSON.stringify({ | |
| event: 'client-reload-page', | |
| clientId: window.__nextDevClientId, | |
| }) | |
| ) | |
| reloading = true | |
| return window.location.reload() | |
| } | |
| case 'removedPage': { | |
| const [page] = obj.data | |
| // Check if the removed page is the current page | |
| const isCurrentPage = page === router?.pathname | |
| // We enter here if the removed page is currently being viewed | |
| // or if we happen to be on an error page. | |
| if (isCurrentPage || isOnErrorPage) { | |
| sendMessage( | |
| JSON.stringify({ | |
| event: 'client-removed-page', | |
| clientId: window.__nextDevClientId, | |
| page, | |
| }) | |
| ) | |
| return window.location.reload() | |
| } | |
| return | |
| } | |
| case 'addedPage': { | |
| const [page] = obj.data | |
| // Check if the added page is the current page | |
| const isCurrentPage = page === router?.pathname | |
| // Check if the page component is not yet loaded | |
| const isPageNotLoaded = | |
| typeof router?.components?.[page] === 'undefined' | |
| // We enter this block if the newly added page is the one currently being viewed | |
| // but hasn't been loaded yet, or if we're on an error page. | |
| if ((isCurrentPage && isPageNotLoaded) || isOnErrorPage) { | |
| sendMessage( | |
| JSON.stringify({ | |
| event: 'client-added-page', | |
| clientId: window.__nextDevClientId, | |
| page, | |
| }) | |
| ) | |
| return window.location.reload() | |
| } | |
| return | |
| } | |
| case 'serverError': | |
| case 'devPagesManifestUpdate': | |
| case 'isrManifest': | |
| case 'building': | |
| case 'finishBuilding': { | |
| return | |
| } | |
| default: { | |
| throw new Error('Unexpected action ' + obj.action) | |
| } | |
| } | |
| }) | |
| return devClient | |
| } | |