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vite-node.ts
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vite-node.ts
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import { pathToFileURL } from 'node:url'
import { createApp, createError, defineEventHandler, defineLazyEventHandler, eventHandler, toNodeListener } from 'h3'
import { ViteNodeServer } from 'vite-node/server'
import fse from 'fs-extra'
import { isAbsolute, normalize, resolve } from 'pathe'
import { addDevServerHandler } from '@nuxt/kit'
import { isFileServingAllowed } from 'vite'
import type { ModuleNode, Plugin as VitePlugin } from 'vite'
import { normalizeViteManifest } from 'vue-bundle-renderer'
import { resolve as resolveModule } from 'mlly'
import { distDir } from './dirs'
import type { ViteBuildContext } from './vite'
import { isCSS } from './utils'
import { createIsExternal } from './utils/external'
import { transpile } from './utils/transpile'
// TODO: Remove this in favor of registerViteNodeMiddleware
// after Nitropack or h3 fixed for adding middlewares after setup
export function viteNodePlugin (ctx: ViteBuildContext): VitePlugin {
// Store the invalidates for the next rendering
const invalidates = new Set<string>()
function markInvalidate (mod: ModuleNode) {
if (!mod.id) { return }
if (invalidates.has(mod.id)) { return }
invalidates.add(mod.id)
markInvalidates(mod.importers)
}
function markInvalidates (mods?: ModuleNode[] | Set<ModuleNode>) {
if (!mods) { return }
for (const mod of mods) {
markInvalidate(mod)
}
}
return {
name: 'nuxt:vite-node-server',
enforce: 'post',
configureServer (server) {
function invalidateVirtualModules () {
for (const [id, mod] of server.moduleGraph.idToModuleMap) {
if (id.startsWith('virtual:')) {
markInvalidate(mod)
}
}
for (const plugin of ctx.nuxt.options.plugins) {
markInvalidates(server.moduleGraph.getModulesByFile(typeof plugin === 'string' ? plugin : plugin.src))
}
for (const template of ctx.nuxt.options.build.templates) {
markInvalidates(server.moduleGraph.getModulesByFile(template.dst!))
}
}
server.middlewares.use('/__nuxt_vite_node__', toNodeListener(createViteNodeApp(ctx, invalidates)))
// Invalidate all virtual modules when templates are regenerated
ctx.nuxt.hook('app:templatesGenerated', () => {
invalidateVirtualModules()
})
server.watcher.on('all', (event, file) => {
markInvalidates(server.moduleGraph.getModulesByFile(normalize(file)))
// Invalidate all virtual modules when a file is added or removed
if (event === 'add' || event === 'unlink') {
invalidateVirtualModules()
}
})
}
}
}
export function registerViteNodeMiddleware (ctx: ViteBuildContext) {
addDevServerHandler({
route: '/__nuxt_vite_node__/',
handler: createViteNodeApp(ctx).handler
})
}
function getManifest (ctx: ViteBuildContext) {
const css = Array.from(ctx.ssrServer!.moduleGraph.urlToModuleMap.keys())
.filter(i => isCSS(i))
const manifest = normalizeViteManifest({
'@vite/client': {
file: '@vite/client',
css,
module: true,
isEntry: true
},
[ctx.entry]: {
file: ctx.entry,
isEntry: true,
module: true,
resourceType: 'script'
}
})
return manifest
}
function createViteNodeApp (ctx: ViteBuildContext, invalidates: Set<string> = new Set()) {
const app = createApp()
app.use('/manifest', defineEventHandler(() => {
const manifest = getManifest(ctx)
return manifest
}))
app.use('/invalidates', defineEventHandler(() => {
const ids = Array.from(invalidates)
invalidates.clear()
return ids
}))
app.use('/module', defineLazyEventHandler(() => {
const viteServer = ctx.ssrServer!
const node: ViteNodeServer = new ViteNodeServer(viteServer, {
deps: {
inline: [
/\/node_modules\/(.*\/)?(nuxt|nuxt3|nuxt-nightly)\//,
/^#/,
...transpile({ isServer: true, isDev: ctx.nuxt.options.dev })
]
},
transformMode: {
ssr: [/.*/],
web: []
}
})
const isExternal = createIsExternal(viteServer, ctx.nuxt.options.rootDir, ctx.nuxt.options.modulesDir)
node.shouldExternalize = async (id: string) => {
const result = await isExternal(id)
if (result?.external) {
return resolveModule(result.id, { url: ctx.nuxt.options.modulesDir }).catch(() => false)
}
return false
}
return eventHandler(async (event) => {
const moduleId = decodeURI(event.path).substring(1)
if (moduleId === '/') {
throw createError({ statusCode: 400 })
}
if (isAbsolute(moduleId) && !isFileServingAllowed(moduleId, viteServer)) {
throw createError({ statusCode: 403 /* Restricted */ })
}
const module = await node.fetchModule(moduleId).catch((err) => {
const errorData = {
code: 'VITE_ERROR',
id: moduleId,
stack: '',
...err
}
throw createError({ data: errorData })
})
return module
})
}))
return app
}
export type ViteNodeServerOptions = {
baseURL: string
root: string
entryPath: string
base: string
}
export async function initViteNodeServer (ctx: ViteBuildContext) {
// Serialize and pass vite-node runtime options
const viteNodeServerOptions = {
baseURL: `${ctx.nuxt.options.devServer.url}__nuxt_vite_node__`,
root: ctx.nuxt.options.srcDir,
entryPath: ctx.entry,
base: ctx.ssrServer!.config.base || '/_nuxt/'
} satisfies ViteNodeServerOptions
process.env.NUXT_VITE_NODE_OPTIONS = JSON.stringify(viteNodeServerOptions)
const serverResolvedPath = resolve(distDir, 'runtime/vite-node.mjs')
const manifestResolvedPath = resolve(distDir, 'runtime/client.manifest.mjs')
await fse.writeFile(
resolve(ctx.nuxt.options.buildDir, 'dist/server/server.mjs'),
`export { default } from ${JSON.stringify(pathToFileURL(serverResolvedPath).href)}`
)
await fse.writeFile(
resolve(ctx.nuxt.options.buildDir, 'dist/server/client.manifest.mjs'),
`export { default } from ${JSON.stringify(pathToFileURL(manifestResolvedPath).href)}`
)
}