59714db16d
* Update server-only changes HMR handling * Add failing tests for GS(S)P server only changes * update test * normalize backslashes * Update to xor the chunk hashes * remove test change * remove other test change
883 lines
28 KiB
TypeScript
883 lines
28 KiB
TypeScript
import { getOverlayMiddleware } from 'next/dist/compiled/@next/react-dev-overlay/middleware'
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import { IncomingMessage, ServerResponse } from 'http'
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import { WebpackHotMiddleware } from './hot-middleware'
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import { join, relative, isAbsolute } from 'path'
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import { UrlObject } from 'url'
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import { webpack, StringXor } from 'next/dist/compiled/webpack/webpack'
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import type { webpack5 } from 'next/dist/compiled/webpack/webpack'
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import {
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createEntrypoints,
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createPagesMapping,
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finalizeEntrypoint,
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PagesMapping,
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} from '../../build/entries'
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import { watchCompilers } from '../../build/output'
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import getBaseWebpackConfig from '../../build/webpack-config'
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import { API_ROUTE, MIDDLEWARE_ROUTE } from '../../lib/constants'
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import { recursiveDelete } from '../../lib/recursive-delete'
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import { BLOCKED_PAGES } from '../../shared/lib/constants'
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import { __ApiPreviewProps } from '../api-utils'
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import { route } from '../router'
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import { findPageFile } from '../lib/find-page-file'
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import onDemandEntryHandler, {
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entries,
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BUILDING,
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} from './on-demand-entry-handler'
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import { denormalizePagePath, normalizePathSep } from '../normalize-page-path'
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import getRouteFromEntrypoint from '../get-route-from-entrypoint'
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import { fileExists } from '../../lib/file-exists'
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import { ClientPagesLoaderOptions } from '../../build/webpack/loaders/next-client-pages-loader'
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import { ssrEntries } from '../../build/webpack/plugins/middleware-plugin'
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import { stringify } from 'querystring'
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import {
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difference,
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isCustomErrorPage,
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isFlightPage,
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isReservedPage,
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} from '../../build/utils'
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import { NextConfigComplete } from '../config-shared'
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import { CustomRoutes } from '../../lib/load-custom-routes'
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import { DecodeError } from '../../shared/lib/utils'
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import { Span, trace } from '../../trace'
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import { getProperError } from '../../lib/is-error'
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import ws from 'next/dist/compiled/ws'
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import { promises as fs } from 'fs'
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const wsServer = new ws.Server({ noServer: true })
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export async function renderScriptError(
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res: ServerResponse,
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error: Error,
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{ verbose = true } = {}
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) {
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// Asks CDNs and others to not to cache the errored page
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res.setHeader(
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'Cache-Control',
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'no-cache, no-store, max-age=0, must-revalidate'
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)
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if ((error as any).code === 'ENOENT') {
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res.statusCode = 404
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res.end('404 - Not Found')
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return
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}
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if (verbose) {
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console.error(error.stack)
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}
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res.statusCode = 500
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res.end('500 - Internal Error')
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}
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function addCorsSupport(req: IncomingMessage, res: ServerResponse) {
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const isApiRoute = req.url!.match(API_ROUTE)
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// API routes handle their own CORS headers
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if (isApiRoute) {
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return { preflight: false }
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}
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if (!req.headers.origin) {
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return { preflight: false }
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}
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res.setHeader('Access-Control-Allow-Origin', req.headers.origin)
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res.setHeader('Access-Control-Allow-Methods', 'OPTIONS, GET')
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// Based on https://github.com/primus/access-control/blob/4cf1bc0e54b086c91e6aa44fb14966fa5ef7549c/index.js#L158
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if (req.headers['access-control-request-headers']) {
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res.setHeader(
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'Access-Control-Allow-Headers',
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req.headers['access-control-request-headers'] as string
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)
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}
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if (req.method === 'OPTIONS') {
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res.writeHead(200)
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res.end()
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return { preflight: true }
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}
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return { preflight: false }
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}
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const matchNextPageBundleRequest = route(
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'/_next/static/chunks/pages/:path*.js(\\.map|)'
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)
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// Recursively look up the issuer till it ends up at the root
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function findEntryModule(issuer: any): any {
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if (issuer.issuer) {
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return findEntryModule(issuer.issuer)
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}
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return issuer
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}
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function erroredPages(compilation: webpack5.Compilation) {
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const failedPages: { [page: string]: any[] } = {}
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for (const error of compilation.errors) {
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if (!error.module) {
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continue
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}
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const entryModule = findEntryModule(error.module)
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const { name } = entryModule
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if (!name) {
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continue
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}
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// Only pages have to be reloaded
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const enhancedName = getRouteFromEntrypoint(name)
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if (!enhancedName) {
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continue
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}
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if (!failedPages[enhancedName]) {
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failedPages[enhancedName] = []
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}
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failedPages[enhancedName].push(error)
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}
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return failedPages
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}
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export default class HotReloader {
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private dir: string
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private buildId: string
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private middlewares: any[]
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private pagesDir: string
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private webpackHotMiddleware?: WebpackHotMiddleware
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private config: NextConfigComplete
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private runtime?: 'nodejs' | 'edge'
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private hasServerComponents: boolean
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public clientStats: webpack5.Stats | null
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public serverStats: webpack5.Stats | null
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private clientError: Error | null = null
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private serverError: Error | null = null
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private serverPrevDocumentHash: string | null
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private prevChunkNames?: Set<any>
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private onDemandEntries?: ReturnType<typeof onDemandEntryHandler>
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private previewProps: __ApiPreviewProps
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private watcher: any
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private rewrites: CustomRoutes['rewrites']
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private fallbackWatcher: any
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private hotReloaderSpan: Span
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private pagesMapping: PagesMapping = {}
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constructor(
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dir: string,
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{
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config,
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pagesDir,
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buildId,
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previewProps,
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rewrites,
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}: {
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config: NextConfigComplete
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pagesDir: string
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buildId: string
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previewProps: __ApiPreviewProps
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rewrites: CustomRoutes['rewrites']
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}
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) {
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this.buildId = buildId
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this.dir = dir
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this.middlewares = []
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this.pagesDir = pagesDir
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this.clientStats = null
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this.serverStats = null
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this.serverPrevDocumentHash = null
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this.config = config
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this.runtime = config.experimental.runtime
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this.hasServerComponents = !!(
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this.runtime && config.experimental.serverComponents
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)
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this.previewProps = previewProps
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this.rewrites = rewrites
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this.hotReloaderSpan = trace('hot-reloader', undefined, {
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version: process.env.__NEXT_VERSION as string,
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})
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// Ensure the hotReloaderSpan is flushed immediately as it's the parentSpan for all processing
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// of the current `next dev` invocation.
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this.hotReloaderSpan.stop()
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}
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public async run(
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req: IncomingMessage,
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res: ServerResponse,
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parsedUrl: UrlObject
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): Promise<{ finished?: true }> {
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// Usually CORS support is not needed for the hot-reloader (this is dev only feature)
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// With when the app runs for multi-zones support behind a proxy,
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// the current page is trying to access this URL via assetPrefix.
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// That's when the CORS support is needed.
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const { preflight } = addCorsSupport(req, res)
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if (preflight) {
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return {}
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}
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// When a request comes in that is a page bundle, e.g. /_next/static/<buildid>/pages/index.js
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// we have to compile the page using on-demand-entries, this middleware will handle doing that
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// by adding the page to on-demand-entries, waiting till it's done
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// and then the bundle will be served like usual by the actual route in server/index.js
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const handlePageBundleRequest = async (
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pageBundleRes: ServerResponse,
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parsedPageBundleUrl: UrlObject
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): Promise<{ finished?: true }> => {
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const { pathname } = parsedPageBundleUrl
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const params: { path: string[] } | null =
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matchNextPageBundleRequest(pathname)
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if (!params) {
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return {}
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}
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let decodedPagePath: string
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try {
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decodedPagePath = `/${params.path
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.map((param) => decodeURIComponent(param))
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.join('/')}`
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} catch (_) {
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throw new DecodeError('failed to decode param')
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}
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const page = denormalizePagePath(decodedPagePath)
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if (page === '/_error' || BLOCKED_PAGES.indexOf(page) === -1) {
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try {
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await this.ensurePage(page, true)
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} catch (error) {
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await renderScriptError(pageBundleRes, getProperError(error))
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return { finished: true }
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}
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const errors = await this.getCompilationErrors(page)
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if (errors.length > 0) {
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await renderScriptError(pageBundleRes, errors[0], { verbose: false })
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return { finished: true }
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}
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}
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return {}
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}
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const { finished } = await handlePageBundleRequest(res, parsedUrl)
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for (const fn of this.middlewares) {
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await new Promise<void>((resolve, reject) => {
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fn(req, res, (err: Error) => {
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if (err) return reject(err)
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resolve()
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})
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})
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}
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return { finished }
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}
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public onHMR(req: IncomingMessage, _res: ServerResponse, head: Buffer) {
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wsServer.handleUpgrade(req, req.socket, head, (client) => {
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this.webpackHotMiddleware?.onHMR(client)
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this.onDemandEntries?.onHMR(client)
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})
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}
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private async clean(span: Span): Promise<void> {
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return span
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.traceChild('clean')
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.traceAsyncFn(() =>
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recursiveDelete(join(this.dir, this.config.distDir), /^cache/)
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)
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}
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private async getWebpackConfig(span: Span) {
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const webpackConfigSpan = span.traceChild('get-webpack-config')
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return webpackConfigSpan.traceAsyncFn(async () => {
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const pagePaths = await webpackConfigSpan
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.traceChild('get-page-paths')
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.traceAsyncFn(() =>
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Promise.all([
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findPageFile(this.pagesDir, '/_app', this.config.pageExtensions),
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findPageFile(
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this.pagesDir,
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'/_document',
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this.config.pageExtensions
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),
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])
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)
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this.pagesMapping = webpackConfigSpan
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.traceChild('create-pages-mapping')
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.traceFn(() =>
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createPagesMapping(
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pagePaths.filter((i) => i !== null) as string[],
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this.config.pageExtensions,
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{
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isDev: true,
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runtime: this.config.experimental.runtime,
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hasServerComponents: this.hasServerComponents,
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}
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)
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)
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const entrypoints = webpackConfigSpan
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.traceChild('create-entrypoints')
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.traceFn(() =>
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createEntrypoints(
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this.pagesMapping,
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'server',
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this.buildId,
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this.previewProps,
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this.config,
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[]
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)
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)
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return webpackConfigSpan
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.traceChild('generate-webpack-config')
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.traceAsyncFn(() =>
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Promise.all(
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[
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getBaseWebpackConfig(this.dir, {
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dev: true,
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isServer: false,
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config: this.config,
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buildId: this.buildId,
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pagesDir: this.pagesDir,
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rewrites: this.rewrites,
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entrypoints: entrypoints.client,
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runWebpackSpan: this.hotReloaderSpan,
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}),
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getBaseWebpackConfig(this.dir, {
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dev: true,
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isServer: true,
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config: this.config,
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buildId: this.buildId,
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pagesDir: this.pagesDir,
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rewrites: this.rewrites,
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entrypoints: entrypoints.server,
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runWebpackSpan: this.hotReloaderSpan,
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}),
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// For the edge runtime, we need an extra compiler to generate the
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// web-targeted server bundle for now.
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this.runtime === 'edge'
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? getBaseWebpackConfig(this.dir, {
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dev: true,
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isServer: true,
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isEdgeRuntime: true,
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config: this.config,
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buildId: this.buildId,
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pagesDir: this.pagesDir,
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rewrites: this.rewrites,
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entrypoints: entrypoints.edgeServer,
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runWebpackSpan: this.hotReloaderSpan,
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})
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: null,
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].filter(Boolean) as webpack.Configuration[]
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)
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)
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})
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}
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public async buildFallbackError(): Promise<void> {
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if (this.fallbackWatcher) return
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const fallbackConfig = await getBaseWebpackConfig(this.dir, {
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runWebpackSpan: this.hotReloaderSpan,
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dev: true,
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isServer: false,
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config: this.config,
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buildId: this.buildId,
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pagesDir: this.pagesDir,
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rewrites: {
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beforeFiles: [],
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afterFiles: [],
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fallback: [],
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},
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isDevFallback: true,
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entrypoints: createEntrypoints(
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{
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'/_app': 'next/dist/pages/_app',
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'/_error': 'next/dist/pages/_error',
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},
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'server',
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this.buildId,
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this.previewProps,
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this.config,
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[]
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).client,
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})
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const fallbackCompiler = webpack(fallbackConfig)
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this.fallbackWatcher = await new Promise((resolve) => {
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let bootedFallbackCompiler = false
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fallbackCompiler.watch(
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// @ts-ignore webpack supports an array of watchOptions when using a multiCompiler
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fallbackConfig.watchOptions,
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// Errors are handled separately
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(_err: any) => {
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if (!bootedFallbackCompiler) {
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bootedFallbackCompiler = true
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resolve(true)
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}
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}
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)
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})
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}
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public async start(): Promise<void> {
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const startSpan = this.hotReloaderSpan.traceChild('start')
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startSpan.stop() // Stop immediately to create an artificial parent span
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await this.clean(startSpan)
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// Ensure distDir exists before writing package.json
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await fs.mkdir(this.config.distDir, { recursive: true })
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// Ensure commonjs handling is used for files in the distDir (generally .next)
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// Files outside of the distDir can be "type": "module"
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await fs.writeFile(
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join(this.config.distDir, 'package.json'),
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'{"type": "commonjs"}'
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)
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const configs = await this.getWebpackConfig(startSpan)
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for (const config of configs) {
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const defaultEntry = config.entry
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config.entry = async (...args) => {
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// @ts-ignore entry is always a function
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const entrypoints = await defaultEntry(...args)
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const isClientCompilation = config.name === 'client'
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const isNodeServerCompilation = config.name === 'server'
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const isEdgeServerCompilation = config.name === 'edge-server'
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await Promise.all(
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Object.keys(entries).map(async (pageKey) => {
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const isClientKey = pageKey.startsWith('client')
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const isEdgeServerKey = pageKey.startsWith('edge-server')
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if (isClientKey !== isClientCompilation) return
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if (isEdgeServerKey !== isEdgeServerCompilation) return
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const page = pageKey.slice(
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isClientKey
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? 'client'.length
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: isEdgeServerKey
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? 'edge-server'.length
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: 'server'.length
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)
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const isMiddleware = !!page.match(MIDDLEWARE_ROUTE)
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if (isClientCompilation && page.match(API_ROUTE) && !isMiddleware) {
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return
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}
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const isApiRoute = page.match(API_ROUTE)
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|
|
if (!isClientCompilation && isMiddleware) {
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return
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}
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const { bundlePath, absolutePagePath, dispose } = entries[pageKey]
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const pageExists = !dispose && (await fileExists(absolutePagePath))
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if (!pageExists) {
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// page was removed or disposed
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delete entries[pageKey]
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return
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}
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|
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const isCustomError = isCustomErrorPage(page)
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|
const isReserved = isReservedPage(page)
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|
const isServerComponent =
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this.hasServerComponents &&
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isFlightPage(this.config, absolutePagePath)
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|
|
if (
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isNodeServerCompilation &&
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this.runtime === 'edge' &&
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!isApiRoute &&
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!isCustomError
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) {
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return
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}
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entries[pageKey].status = BUILDING
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const pageLoaderOpts: ClientPagesLoaderOptions = {
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page,
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absolutePagePath,
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}
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if (isClientCompilation && isMiddleware) {
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entrypoints[bundlePath] = finalizeEntrypoint({
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name: bundlePath,
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value: `next-middleware-loader?${stringify(pageLoaderOpts)}!`,
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isServer: false,
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isMiddleware: true,
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})
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} else if (isClientCompilation) {
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entrypoints[bundlePath] = finalizeEntrypoint({
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name: bundlePath,
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value: `next-client-pages-loader?${stringify(pageLoaderOpts)}!`,
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isServer: false,
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})
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if (isServerComponent) {
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ssrEntries.set(bundlePath, { requireFlightManifest: true })
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|
} else if (
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this.runtime === 'edge' &&
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!isReserved &&
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!isCustomError
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) {
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ssrEntries.set(bundlePath, { requireFlightManifest: false })
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}
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} else if (isEdgeServerCompilation) {
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if (!isReserved) {
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entrypoints[bundlePath] = finalizeEntrypoint({
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name: '[name].js',
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|
value: `next-middleware-ssr-loader?${stringify({
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dev: true,
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page,
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stringifiedConfig: JSON.stringify(this.config),
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|
absoluteAppPath: this.pagesMapping['/_app'],
|
|
absoluteDocumentPath: this.pagesMapping['/_document'],
|
|
absoluteErrorPath: this.pagesMapping['/_error'],
|
|
absolute404Path: this.pagesMapping['/404'] || '',
|
|
absolutePagePath,
|
|
isServerComponent,
|
|
buildId: this.buildId,
|
|
} as any)}!`,
|
|
isServer: false,
|
|
isEdgeServer: true,
|
|
})
|
|
}
|
|
} else {
|
|
let request = relative(config.context!, absolutePagePath)
|
|
if (!isAbsolute(request) && !request.startsWith('../')) {
|
|
request = `./${request}`
|
|
}
|
|
|
|
entrypoints[bundlePath] = finalizeEntrypoint({
|
|
name: bundlePath,
|
|
value: request,
|
|
isServer: true,
|
|
})
|
|
}
|
|
})
|
|
)
|
|
|
|
return entrypoints
|
|
}
|
|
}
|
|
|
|
// Enable building of client compilation before server compilation in development
|
|
// @ts-ignore webpack 5
|
|
configs.parallelism = 1
|
|
|
|
const multiCompiler = webpack(configs) as unknown as webpack5.MultiCompiler
|
|
|
|
watchCompilers(
|
|
multiCompiler.compilers[0],
|
|
multiCompiler.compilers[1],
|
|
multiCompiler.compilers[2] || null
|
|
)
|
|
|
|
// Watch for changes to client/server page files so we can tell when just
|
|
// the server file changes and trigger a reload for GS(S)P pages
|
|
const changedClientPages = new Set<string>()
|
|
const changedServerPages = new Set<string>()
|
|
const prevClientPageHashes = new Map<string, string>()
|
|
const prevServerPageHashes = new Map<string, string>()
|
|
|
|
const trackPageChanges =
|
|
(pageHashMap: Map<string, string>, changedItems: Set<string>) =>
|
|
(stats: webpack5.Compilation) => {
|
|
try {
|
|
stats.entrypoints.forEach((entry, key) => {
|
|
if (key.startsWith('pages/')) {
|
|
// TODO this doesn't handle on demand loaded chunks
|
|
entry.chunks.forEach((chunk) => {
|
|
if (chunk.id === key) {
|
|
const modsIterable: any =
|
|
stats.chunkGraph.getChunkModulesIterable(chunk)
|
|
|
|
let chunksHash = new StringXor()
|
|
|
|
modsIterable.forEach((mod: any) => {
|
|
if (
|
|
mod.resource &&
|
|
mod.resource.replace(/\\/g, '/').includes(key)
|
|
) {
|
|
// use original source to calculate hash since mod.hash
|
|
// includes the source map in development which changes
|
|
// every time for both server and client so we calculate
|
|
// the hash without the source map for the page module
|
|
const hash = require('crypto')
|
|
.createHash('sha256')
|
|
.update(mod.originalSource().buffer())
|
|
.digest()
|
|
.toString('hex')
|
|
|
|
chunksHash.add(hash)
|
|
} else {
|
|
// for non-pages we can use the module hash directly
|
|
const hash = stats.chunkGraph.getModuleHash(
|
|
mod,
|
|
chunk.runtime
|
|
)
|
|
chunksHash.add(hash)
|
|
}
|
|
})
|
|
const prevHash = pageHashMap.get(key)
|
|
const curHash = chunksHash.toString()
|
|
|
|
if (prevHash && prevHash !== curHash) {
|
|
changedItems.add(key)
|
|
}
|
|
pageHashMap.set(key, curHash)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
} catch (err) {
|
|
console.error(err)
|
|
}
|
|
}
|
|
|
|
multiCompiler.compilers[0].hooks.emit.tap(
|
|
'NextjsHotReloaderForClient',
|
|
trackPageChanges(prevClientPageHashes, changedClientPages)
|
|
)
|
|
multiCompiler.compilers[1].hooks.emit.tap(
|
|
'NextjsHotReloaderForServer',
|
|
trackPageChanges(prevServerPageHashes, changedServerPages)
|
|
)
|
|
|
|
// This plugin watches for changes to _document.js and notifies the client side that it should reload the page
|
|
multiCompiler.compilers[1].hooks.failed.tap(
|
|
'NextjsHotReloaderForServer',
|
|
(err: Error) => {
|
|
this.serverError = err
|
|
this.serverStats = null
|
|
}
|
|
)
|
|
multiCompiler.compilers[1].hooks.done.tap(
|
|
'NextjsHotReloaderForServer',
|
|
(stats) => {
|
|
this.serverError = null
|
|
this.serverStats = stats
|
|
|
|
const { compilation } = stats
|
|
|
|
// We only watch `_document` for changes on the server compilation
|
|
// the rest of the files will be triggered by the client compilation
|
|
const documentChunk = compilation.namedChunks.get('pages/_document')
|
|
// If the document chunk can't be found we do nothing
|
|
if (!documentChunk) {
|
|
console.warn('_document.js chunk not found')
|
|
return
|
|
}
|
|
|
|
// Initial value
|
|
if (this.serverPrevDocumentHash === null) {
|
|
this.serverPrevDocumentHash = documentChunk.hash || null
|
|
return
|
|
}
|
|
|
|
// If _document.js didn't change we don't trigger a reload
|
|
if (documentChunk.hash === this.serverPrevDocumentHash) {
|
|
return
|
|
}
|
|
|
|
// Notify reload to reload the page, as _document.js was changed (different hash)
|
|
this.send('reloadPage')
|
|
this.serverPrevDocumentHash = documentChunk.hash || null
|
|
}
|
|
)
|
|
multiCompiler.hooks.done.tap('NextjsHotReloaderForServer', () => {
|
|
const serverOnlyChanges = difference<string>(
|
|
changedServerPages,
|
|
changedClientPages
|
|
)
|
|
const middlewareChanges = Array.from(changedClientPages).filter((name) =>
|
|
name.match(MIDDLEWARE_ROUTE)
|
|
)
|
|
changedClientPages.clear()
|
|
changedServerPages.clear()
|
|
|
|
if (middlewareChanges.length > 0) {
|
|
this.send({
|
|
event: 'middlewareChanges',
|
|
})
|
|
}
|
|
if (serverOnlyChanges.length > 0) {
|
|
this.send({
|
|
event: 'serverOnlyChanges',
|
|
pages: serverOnlyChanges.map((pg) =>
|
|
denormalizePagePath(pg.substr('pages'.length))
|
|
),
|
|
})
|
|
}
|
|
})
|
|
|
|
multiCompiler.compilers[0].hooks.failed.tap(
|
|
'NextjsHotReloaderForClient',
|
|
(err: Error) => {
|
|
this.clientError = err
|
|
this.clientStats = null
|
|
}
|
|
)
|
|
multiCompiler.compilers[0].hooks.done.tap(
|
|
'NextjsHotReloaderForClient',
|
|
(stats) => {
|
|
this.clientError = null
|
|
this.clientStats = stats
|
|
|
|
const { compilation } = stats
|
|
const chunkNames = new Set(
|
|
[...compilation.namedChunks.keys()].filter(
|
|
(name) => !!getRouteFromEntrypoint(name)
|
|
)
|
|
)
|
|
|
|
if (this.prevChunkNames) {
|
|
// detect chunks which have to be replaced with a new template
|
|
// e.g, pages/index.js <-> pages/_error.js
|
|
const addedPages = diff(chunkNames, this.prevChunkNames!)
|
|
const removedPages = diff(this.prevChunkNames!, chunkNames)
|
|
|
|
if (addedPages.size > 0) {
|
|
for (const addedPage of addedPages) {
|
|
const page = getRouteFromEntrypoint(addedPage)
|
|
this.send('addedPage', page)
|
|
}
|
|
}
|
|
|
|
if (removedPages.size > 0) {
|
|
for (const removedPage of removedPages) {
|
|
const page = getRouteFromEntrypoint(removedPage)
|
|
this.send('removedPage', page)
|
|
}
|
|
}
|
|
}
|
|
|
|
this.prevChunkNames = chunkNames
|
|
}
|
|
)
|
|
|
|
this.webpackHotMiddleware = new WebpackHotMiddleware(
|
|
multiCompiler.compilers
|
|
)
|
|
|
|
let booted = false
|
|
|
|
this.watcher = await new Promise((resolve) => {
|
|
const watcher = multiCompiler.watch(
|
|
// @ts-ignore webpack supports an array of watchOptions when using a multiCompiler
|
|
configs.map((config) => config.watchOptions!),
|
|
// Errors are handled separately
|
|
(_err: any) => {
|
|
if (!booted) {
|
|
booted = true
|
|
resolve(watcher)
|
|
}
|
|
}
|
|
)
|
|
})
|
|
|
|
this.onDemandEntries = onDemandEntryHandler(this.watcher, multiCompiler, {
|
|
pagesDir: this.pagesDir,
|
|
nextConfig: this.config,
|
|
...(this.config.onDemandEntries as {
|
|
maxInactiveAge: number
|
|
pagesBufferLength: number
|
|
}),
|
|
})
|
|
|
|
this.middlewares = [
|
|
getOverlayMiddleware({
|
|
rootDirectory: this.dir,
|
|
stats: () => this.clientStats,
|
|
serverStats: () => this.serverStats,
|
|
}),
|
|
]
|
|
}
|
|
|
|
public async stop(): Promise<void> {
|
|
await new Promise((resolve, reject) => {
|
|
this.watcher.close((err: any) => (err ? reject(err) : resolve(true)))
|
|
})
|
|
|
|
if (this.fallbackWatcher) {
|
|
await new Promise((resolve, reject) => {
|
|
this.fallbackWatcher.close((err: any) =>
|
|
err ? reject(err) : resolve(true)
|
|
)
|
|
})
|
|
}
|
|
}
|
|
|
|
public async getCompilationErrors(page: string) {
|
|
const normalizedPage = normalizePathSep(page)
|
|
|
|
if (this.clientError || this.serverError) {
|
|
return [this.clientError || this.serverError]
|
|
} else if (this.clientStats?.hasErrors()) {
|
|
const { compilation } = this.clientStats
|
|
const failedPages = erroredPages(compilation)
|
|
|
|
// If there is an error related to the requesting page we display it instead of the first error
|
|
if (
|
|
failedPages[normalizedPage] &&
|
|
failedPages[normalizedPage].length > 0
|
|
) {
|
|
return failedPages[normalizedPage]
|
|
}
|
|
|
|
// If none were found we still have to show the other errors
|
|
return this.clientStats.compilation.errors
|
|
} else if (this.serverStats?.hasErrors()) {
|
|
const { compilation } = this.serverStats
|
|
const failedPages = erroredPages(compilation)
|
|
|
|
// If there is an error related to the requesting page we display it instead of the first error
|
|
if (
|
|
failedPages[normalizedPage] &&
|
|
failedPages[normalizedPage].length > 0
|
|
) {
|
|
return failedPages[normalizedPage]
|
|
}
|
|
|
|
// If none were found we still have to show the other errors
|
|
return this.serverStats.compilation.errors
|
|
}
|
|
|
|
return []
|
|
}
|
|
|
|
public send(action?: string | any, ...args: any[]): void {
|
|
this.webpackHotMiddleware!.publish(
|
|
action && typeof action === 'object' ? action : { action, data: args }
|
|
)
|
|
}
|
|
|
|
public async ensurePage(page: string, clientOnly: boolean = false) {
|
|
// Make sure we don't re-build or dispose prebuilt pages
|
|
if (page !== '/_error' && BLOCKED_PAGES.indexOf(page) !== -1) {
|
|
return
|
|
}
|
|
const error = clientOnly
|
|
? this.clientError
|
|
: this.serverError || this.clientError
|
|
if (error) {
|
|
return Promise.reject(error)
|
|
}
|
|
return this.onDemandEntries?.ensurePage(page, clientOnly) as any
|
|
}
|
|
}
|
|
|
|
function diff(a: Set<any>, b: Set<any>) {
|
|
return new Set([...a].filter((v) => !b.has(v)))
|
|
}
|