/
index.ts
847 lines (775 loc) · 22.5 KB
/
index.ts
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import path from 'node:path'
import type * as net from 'node:net'
import type * as http from 'node:http'
import { performance } from 'node:perf_hooks'
import connect from 'connect'
import corsMiddleware from 'cors'
import colors from 'picocolors'
import chokidar from 'chokidar'
import type { FSWatcher, WatchOptions } from 'dep-types/chokidar'
import type { Connect } from 'dep-types/connect'
import launchEditorMiddleware from 'launch-editor-middleware'
import type { SourceMap } from 'rollup'
import picomatch from 'picomatch'
import type { Matcher } from 'picomatch'
import type { InvalidatePayload } from 'types/customEvent'
import type { CommonServerOptions } from '../http'
import {
httpServerStart,
resolveHttpServer,
resolveHttpsConfig,
setClientErrorHandler
} from '../http'
import type { InlineConfig, ResolvedConfig } from '../config'
import { isDepsOptimizerEnabled, resolveConfig } from '../config'
import {
isParentDirectory,
mergeConfig,
normalizePath,
resolveHostname,
resolveServerUrls
} from '../utils'
import { ssrLoadModule } from '../ssr/ssrModuleLoader'
import { cjsSsrResolveExternals } from '../ssr/ssrExternal'
import {
rebindErrorStacktrace,
ssrRewriteStacktrace
} from '../ssr/ssrStacktrace'
import { ssrTransform } from '../ssr/ssrTransform'
import {
getDepsOptimizer,
initDepsOptimizer,
initDevSsrDepsOptimizer
} from '../optimizer'
import { CLIENT_DIR } from '../constants'
import type { Logger } from '../logger'
import { printServerUrls } from '../logger'
import { invalidatePackageData } from '../packages'
import { resolveChokidarOptions } from '../watch'
import type { PluginContainer } from './pluginContainer'
import { createPluginContainer } from './pluginContainer'
import type { WebSocketServer } from './ws'
import { createWebSocketServer } from './ws'
import { baseMiddleware } from './middlewares/base'
import { proxyMiddleware } from './middlewares/proxy'
import { htmlFallbackMiddleware } from './middlewares/htmlFallback'
import { transformMiddleware } from './middlewares/transform'
import {
createDevHtmlTransformFn,
indexHtmlMiddleware
} from './middlewares/indexHtml'
import {
servePublicMiddleware,
serveRawFsMiddleware,
serveStaticMiddleware
} from './middlewares/static'
import { timeMiddleware } from './middlewares/time'
import type { ModuleNode } from './moduleGraph'
import { ModuleGraph } from './moduleGraph'
import { errorMiddleware, prepareError } from './middlewares/error'
import type { HmrOptions } from './hmr'
import {
getShortName,
handleFileAddUnlink,
handleHMRUpdate,
updateModules
} from './hmr'
import { openBrowser } from './openBrowser'
import type { TransformOptions, TransformResult } from './transformRequest'
import { transformRequest } from './transformRequest'
import { searchForWorkspaceRoot } from './searchRoot'
export { searchForWorkspaceRoot } from './searchRoot'
export interface ServerOptions extends CommonServerOptions {
/**
* Configure HMR-specific options (port, host, path & protocol)
*/
hmr?: HmrOptions | boolean
/**
* chokidar watch options
* https://github.com/paulmillr/chokidar#api
*/
watch?: WatchOptions
/**
* Create Vite dev server to be used as a middleware in an existing server
*/
middlewareMode?: boolean | 'html' | 'ssr'
/**
* Prepend this folder to http requests, for use when proxying vite as a subfolder
* Should start and end with the `/` character
*/
base?: string
/**
* Options for files served via '/\@fs/'.
*/
fs?: FileSystemServeOptions
/**
* Origin for the generated asset URLs.
*
* @example `http://127.0.0.1:8080`
*/
origin?: string
/**
* Pre-transform known direct imports
* @default true
*/
preTransformRequests?: boolean
/**
* Force dep pre-optimization regardless of whether deps have changed.
*
* @deprecated Use optimizeDeps.force instead, this option may be removed
* in a future minor version without following semver
*/
force?: boolean
}
export interface ResolvedServerOptions extends ServerOptions {
fs: Required<FileSystemServeOptions>
middlewareMode: boolean
}
export interface FileSystemServeOptions {
/**
* Strictly restrict file accessing outside of allowing paths.
*
* Set to `false` to disable the warning
*
* @default true
*/
strict?: boolean
/**
* Restrict accessing files outside the allowed directories.
*
* Accepts absolute path or a path relative to project root.
* Will try to search up for workspace root by default.
*/
allow?: string[]
/**
* Restrict accessing files that matches the patterns.
*
* This will have higher priority than `allow`.
* picomatch patterns are supported.
*
* @default ['.env', '.env.*', '*.crt', '*.pem']
*/
deny?: string[]
}
export type ServerHook = (
this: void,
server: ViteDevServer
) => (() => void) | void | Promise<(() => void) | void>
export interface ViteDevServer {
/**
* The resolved vite config object
*/
config: ResolvedConfig
/**
* A connect app instance.
* - Can be used to attach custom middlewares to the dev server.
* - Can also be used as the handler function of a custom http server
* or as a middleware in any connect-style Node.js frameworks
*
* https://github.com/senchalabs/connect#use-middleware
*/
middlewares: Connect.Server
/**
* native Node http server instance
* will be null in middleware mode
*/
httpServer: http.Server | null
/**
* chokidar watcher instance
* https://github.com/paulmillr/chokidar#api
*/
watcher: FSWatcher
/**
* web socket server with `send(payload)` method
*/
ws: WebSocketServer
/**
* Rollup plugin container that can run plugin hooks on a given file
*/
pluginContainer: PluginContainer
/**
* Module graph that tracks the import relationships, url to file mapping
* and hmr state.
*/
moduleGraph: ModuleGraph
/**
* The resolved urls Vite prints on the CLI. null in middleware mode or
* before `server.listen` is called.
*/
resolvedUrls: ResolvedServerUrls | null
/**
* Programmatically resolve, load and transform a URL and get the result
* without going through the http request pipeline.
*/
transformRequest(
url: string,
options?: TransformOptions
): Promise<TransformResult | null>
/**
* Apply vite built-in HTML transforms and any plugin HTML transforms.
*/
transformIndexHtml(
url: string,
html: string,
originalUrl?: string
): Promise<string>
/**
* Transform module code into SSR format.
*/
ssrTransform(
code: string,
inMap: SourceMap | null,
url: string,
originalCode?: string
): Promise<TransformResult | null>
/**
* Load a given URL as an instantiated module for SSR.
*/
ssrLoadModule(
url: string,
opts?: { fixStacktrace?: boolean }
): Promise<Record<string, any>>
/**
* Returns a fixed version of the given stack
*/
ssrRewriteStacktrace(stack: string): string
/**
* Mutates the given SSR error by rewriting the stacktrace
*/
ssrFixStacktrace(e: Error): void
/**
* Triggers HMR for a module in the module graph. You can use the `server.moduleGraph`
* API to retrieve the module to be reloaded. If `hmr` is false, this is a no-op.
*/
reloadModule(module: ModuleNode): Promise<void>
/**
* Start the server.
*/
listen(port?: number, isRestart?: boolean): Promise<ViteDevServer>
/**
* Stop the server.
*/
close(): Promise<void>
/**
* Print server urls
*/
printUrls(): void
/**
* Restart the server.
*
* @param forceOptimize - force the optimizer to re-bundle, same as --force cli flag
*/
restart(forceOptimize?: boolean): Promise<void>
/**
* @internal
*/
_importGlobMap: Map<string, string[][]>
/**
* Deps that are externalized
* @internal
*/
_ssrExternals: string[] | null
/**
* @internal
*/
_restartPromise: Promise<void> | null
/**
* @internal
*/
_forceOptimizeOnRestart: boolean
/**
* @internal
*/
_pendingRequests: Map<
string,
{
request: Promise<TransformResult | null>
timestamp: number
abort: () => void
}
>
/**
* @internal
*/
_fsDenyGlob: Matcher
}
export interface ResolvedServerUrls {
local: string[]
network: string[]
}
export async function createServer(
inlineConfig: InlineConfig = {}
): Promise<ViteDevServer> {
const config = await resolveConfig(inlineConfig, 'serve', 'development')
const { root, server: serverConfig } = config
const httpsOptions = await resolveHttpsConfig(config.server.https)
const { middlewareMode } = serverConfig
const resolvedWatchOptions = resolveChokidarOptions({
disableGlobbing: true,
...serverConfig.watch
})
const middlewares = connect() as Connect.Server
const httpServer = middlewareMode
? null
: await resolveHttpServer(serverConfig, middlewares, httpsOptions)
const ws = createWebSocketServer(httpServer, config, httpsOptions)
if (httpServer) {
setClientErrorHandler(httpServer, config.logger)
}
const watcher = chokidar.watch(
path.resolve(root),
resolvedWatchOptions
) as FSWatcher
const moduleGraph: ModuleGraph = new ModuleGraph((url, ssr) =>
container.resolveId(url, undefined, { ssr })
)
const container = await createPluginContainer(config, moduleGraph, watcher)
const closeHttpServer = createServerCloseFn(httpServer)
let exitProcess: () => void
const server: ViteDevServer = {
config,
middlewares,
httpServer,
watcher,
pluginContainer: container,
ws,
moduleGraph,
resolvedUrls: null, // will be set on listen
ssrTransform(
code: string,
inMap: SourceMap | null,
url: string,
originalCode = code
) {
return ssrTransform(code, inMap, url, originalCode, server.config)
},
transformRequest(url, options) {
return transformRequest(url, server, options)
},
transformIndexHtml: null!, // to be immediately set
async ssrLoadModule(url, opts?: { fixStacktrace?: boolean }) {
if (isDepsOptimizerEnabled(config, true)) {
await initDevSsrDepsOptimizer(config, server)
}
await updateCjsSsrExternals(server)
return ssrLoadModule(
url,
server,
undefined,
undefined,
opts?.fixStacktrace
)
},
ssrFixStacktrace(e) {
if (e.stack) {
const stacktrace = ssrRewriteStacktrace(e.stack, moduleGraph)
rebindErrorStacktrace(e, stacktrace)
}
},
ssrRewriteStacktrace(stack: string) {
return ssrRewriteStacktrace(stack, moduleGraph)
},
async reloadModule(module) {
if (serverConfig.hmr !== false && module.file) {
updateModules(module.file, [module], Date.now(), server)
}
},
async listen(port?: number, isRestart?: boolean) {
await startServer(server, port, isRestart)
if (httpServer) {
server.resolvedUrls = await resolveServerUrls(
httpServer,
config.server,
config
)
}
return server
},
async close() {
if (!middlewareMode) {
process.off('SIGTERM', exitProcess)
if (process.env.CI !== 'true') {
process.stdin.off('end', exitProcess)
}
}
await Promise.all([
watcher.close(),
ws.close(),
container.close(),
getDepsOptimizer(server.config)?.close(),
getDepsOptimizer(server.config, true)?.close(),
closeHttpServer()
])
server.resolvedUrls = null
},
printUrls() {
if (server.resolvedUrls) {
printServerUrls(
server.resolvedUrls,
serverConfig.host,
config.logger.info
)
} else if (middlewareMode) {
throw new Error('cannot print server URLs in middleware mode.')
} else {
throw new Error(
'cannot print server URLs before server.listen is called.'
)
}
},
async restart(forceOptimize?: boolean) {
if (!server._restartPromise) {
server._forceOptimizeOnRestart = !!forceOptimize
server._restartPromise = restartServer(server).finally(() => {
server._restartPromise = null
server._forceOptimizeOnRestart = false
})
}
return server._restartPromise
},
_ssrExternals: null,
_restartPromise: null,
_importGlobMap: new Map(),
_forceOptimizeOnRestart: false,
_pendingRequests: new Map(),
_fsDenyGlob: picomatch(config.server.fs.deny, { matchBase: true })
}
server.transformIndexHtml = createDevHtmlTransformFn(server)
if (!middlewareMode) {
exitProcess = async () => {
try {
await server.close()
} finally {
process.exit()
}
}
process.once('SIGTERM', exitProcess)
if (process.env.CI !== 'true') {
process.stdin.on('end', exitProcess)
}
}
const { packageCache } = config
const setPackageData = packageCache.set.bind(packageCache)
packageCache.set = (id, pkg) => {
if (id.endsWith('.json')) {
watcher.add(id)
}
return setPackageData(id, pkg)
}
watcher.on('change', async (file) => {
file = normalizePath(file)
if (file.endsWith('/package.json')) {
return invalidatePackageData(packageCache, file)
}
// invalidate module graph cache on file change
moduleGraph.onFileChange(file)
if (serverConfig.hmr !== false) {
try {
await handleHMRUpdate(file, server)
} catch (err) {
ws.send({
type: 'error',
err: prepareError(err)
})
}
}
})
watcher.on('add', (file) => {
handleFileAddUnlink(normalizePath(file), server)
})
watcher.on('unlink', (file) => {
handleFileAddUnlink(normalizePath(file), server)
})
ws.on('vite:invalidate', async ({ path, message }: InvalidatePayload) => {
const mod = moduleGraph.urlToModuleMap.get(path)
if (mod && mod.isSelfAccepting && mod.lastHMRTimestamp > 0) {
config.logger.info(
colors.yellow(`hmr invalidate `) +
colors.dim(path) +
(message ? ` ${message}` : ''),
{ timestamp: true }
)
const file = getShortName(mod.file!, config.root)
updateModules(
file,
[...mod.importers],
mod.lastHMRTimestamp,
server,
true
)
}
})
if (!middlewareMode && httpServer) {
httpServer.once('listening', () => {
// update actual port since this may be different from initial value
serverConfig.port = (httpServer.address() as net.AddressInfo).port
})
}
// apply server configuration hooks from plugins
const postHooks: ((() => void) | void)[] = []
for (const hook of config.getSortedPluginHooks('configureServer')) {
postHooks.push(await hook(server))
}
// Internal middlewares ------------------------------------------------------
// request timer
if (process.env.DEBUG) {
middlewares.use(timeMiddleware(root))
}
// cors (enabled by default)
const { cors } = serverConfig
if (cors !== false) {
middlewares.use(corsMiddleware(typeof cors === 'boolean' ? {} : cors))
}
// proxy
const { proxy } = serverConfig
if (proxy) {
middlewares.use(proxyMiddleware(httpServer, proxy, config))
}
// base
if (config.base !== '/') {
middlewares.use(baseMiddleware(server))
}
// open in editor support
middlewares.use('/__open-in-editor', launchEditorMiddleware())
// serve static files under /public
// this applies before the transform middleware so that these files are served
// as-is without transforms.
if (config.publicDir) {
middlewares.use(
servePublicMiddleware(config.publicDir, config.server.headers)
)
}
// main transform middleware
middlewares.use(transformMiddleware(server))
// serve static files
middlewares.use(serveRawFsMiddleware(server))
middlewares.use(serveStaticMiddleware(root, server))
// html fallback
if (config.appType === 'spa' || config.appType === 'mpa') {
middlewares.use(htmlFallbackMiddleware(root, config.appType === 'spa'))
}
// run post config hooks
// This is applied before the html middleware so that user middleware can
// serve custom content instead of index.html.
postHooks.forEach((fn) => fn && fn())
if (config.appType === 'spa' || config.appType === 'mpa') {
// transform index.html
middlewares.use(indexHtmlMiddleware(server))
// handle 404s
// Keep the named function. The name is visible in debug logs via `DEBUG=connect:dispatcher ...`
middlewares.use(function vite404Middleware(_, res) {
res.statusCode = 404
res.end()
})
}
// error handler
middlewares.use(errorMiddleware(server, middlewareMode))
let initingServer: Promise<void> | undefined
let serverInited = false
const initServer = async () => {
if (serverInited) {
return
}
if (initingServer) {
return initingServer
}
initingServer = (async function () {
await container.buildStart({})
if (isDepsOptimizerEnabled(config, false)) {
// non-ssr
await initDepsOptimizer(config, server)
}
initingServer = undefined
serverInited = true
})()
return initingServer
}
if (!middlewareMode && httpServer) {
// overwrite listen to init optimizer before server start
const listen = httpServer.listen.bind(httpServer)
httpServer.listen = (async (port: number, ...args: any[]) => {
try {
await initServer()
} catch (e) {
httpServer.emit('error', e)
return
}
return listen(port, ...args)
}) as any
} else {
await initServer()
}
return server
}
async function startServer(
server: ViteDevServer,
inlinePort?: number,
isRestart: boolean = false
): Promise<void> {
const httpServer = server.httpServer
if (!httpServer) {
throw new Error('Cannot call server.listen in middleware mode.')
}
const options = server.config.server
const port = inlinePort ?? options.port ?? 5173
const hostname = await resolveHostname(options.host)
const protocol = options.https ? 'https' : 'http'
const serverPort = await httpServerStart(httpServer, {
port,
strictPort: options.strictPort,
host: hostname.host,
logger: server.config.logger
})
if (options.open && !isRestart) {
const path =
typeof options.open === 'string' ? options.open : server.config.base
openBrowser(
path.startsWith('http')
? path
: `${protocol}://${hostname.name}:${serverPort}${path}`,
true,
server.config.logger
)
}
}
function createServerCloseFn(server: http.Server | null) {
if (!server) {
return () => {}
}
let hasListened = false
const openSockets = new Set<net.Socket>()
server.on('connection', (socket) => {
openSockets.add(socket)
socket.on('close', () => {
openSockets.delete(socket)
})
})
server.once('listening', () => {
hasListened = true
})
return () =>
new Promise<void>((resolve, reject) => {
openSockets.forEach((s) => s.destroy())
if (hasListened) {
server.close((err) => {
if (err) {
reject(err)
} else {
resolve()
}
})
} else {
resolve()
}
})
}
function resolvedAllowDir(root: string, dir: string): string {
return normalizePath(path.resolve(root, dir))
}
export function resolveServerOptions(
root: string,
raw: ServerOptions | undefined,
logger: Logger
): ResolvedServerOptions {
const server: ResolvedServerOptions = {
preTransformRequests: true,
...(raw as ResolvedServerOptions),
middlewareMode: !!raw?.middlewareMode
}
let allowDirs = server.fs?.allow
const deny = server.fs?.deny || ['.env', '.env.*', '*.{crt,pem}']
if (!allowDirs) {
allowDirs = [searchForWorkspaceRoot(root)]
}
allowDirs = allowDirs.map((i) => resolvedAllowDir(root, i))
// only push client dir when vite itself is outside-of-root
const resolvedClientDir = resolvedAllowDir(root, CLIENT_DIR)
if (!allowDirs.some((dir) => isParentDirectory(dir, resolvedClientDir))) {
allowDirs.push(resolvedClientDir)
}
server.fs = {
strict: server.fs?.strict ?? true,
allow: allowDirs,
deny
}
if (server.origin?.endsWith('/')) {
server.origin = server.origin.slice(0, -1)
logger.warn(
colors.yellow(
`${colors.bold('(!)')} server.origin should not end with "/". Using "${
server.origin
}" instead.`
)
)
}
return server
}
async function restartServer(server: ViteDevServer) {
// @ts-ignore
global.__vite_start_time = performance.now()
const { port: prevPort, host: prevHost } = server.config.server
await server.close()
let inlineConfig = server.config.inlineConfig
if (server._forceOptimizeOnRestart) {
inlineConfig = mergeConfig(inlineConfig, {
optimizeDeps: {
force: true
}
})
}
let newServer = null
try {
newServer = await createServer(inlineConfig)
} catch (err: any) {
server.config.logger.error(err.message, {
timestamp: true
})
return
}
for (const key in newServer) {
if (key === '_restartPromise') {
// prevent new server `restart` function from calling
// @ts-ignore
newServer[key] = server[key]
} else {
// @ts-ignore
server[key] = newServer[key]
}
}
const {
logger,
server: { port, host, middlewareMode }
} = server.config
if (!middlewareMode) {
await server.listen(port, true)
logger.info('server restarted.', { timestamp: true })
if (port !== prevPort || host !== prevHost) {
logger.info('')
server.printUrls()
}
} else {
logger.info('server restarted.', { timestamp: true })
}
// new server (the current server) can restart now
newServer._restartPromise = null
}
async function updateCjsSsrExternals(server: ViteDevServer) {
if (!server._ssrExternals) {
let knownImports: string[] = []
// Important! We use the non-ssr optimized deps to find known imports
// Only the explicitly defined deps are optimized during dev SSR, so
// we use the generated list from the scanned deps in regular dev.
// This is part of the v2 externalization heuristics and it is kept
// for backwards compatibility in case user needs to fallback to the
// legacy scheme. It may be removed in a future v3 minor.
const depsOptimizer = getDepsOptimizer(server.config, false) // non-ssr
if (depsOptimizer) {
await depsOptimizer.scanProcessing
knownImports = [
...Object.keys(depsOptimizer.metadata.optimized),
...Object.keys(depsOptimizer.metadata.discovered)
]
}
server._ssrExternals = cjsSsrResolveExternals(server.config, knownImports)
}
}