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server.ts
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server.ts
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import { resolveTSConfig } from 'pkg-types'
import { resolve } from 'pathe'
import * as vite from 'vite'
import vuePlugin from '@vitejs/plugin-vue'
import viteJsxPlugin from '@vitejs/plugin-vue-jsx'
import { logger, resolveModule } from '@nuxt/kit'
import { joinURL, withoutLeadingSlash, withTrailingSlash } from 'ufo'
import { ViteBuildContext, ViteOptions } from './vite'
import { wpfs } from './utils/wpfs'
import { cacheDirPlugin } from './plugins/cache-dir'
import { initViteNodeServer } from './vite-node'
import { ssrStylesPlugin } from './plugins/ssr-styles'
import { writeManifest } from './manifest'
export async function buildServer (ctx: ViteBuildContext) {
const _resolve = (id: string) => resolveModule(id, { paths: ctx.nuxt.options.modulesDir })
const serverConfig: vite.InlineConfig = vite.mergeConfig(ctx.config, {
entry: ctx.entry,
base: ctx.nuxt.options.dev
? joinURL(ctx.nuxt.options.app.baseURL.replace(/^\.\//, '/') || '/', ctx.nuxt.options.app.buildAssetsDir)
: undefined,
experimental: {
renderBuiltUrl: (filename, { type, hostType }) => {
if (hostType !== 'js') {
// In CSS we only use relative paths until we craft a clever runtime CSS hack
return { relative: true }
}
if (type === 'public') {
return { runtime: `globalThis.__publicAssetsURL(${JSON.stringify(filename)})` }
}
if (type === 'asset') {
const relativeFilename = filename.replace(withTrailingSlash(withoutLeadingSlash(ctx.nuxt.options.app.buildAssetsDir)), '')
return { runtime: `globalThis.__buildAssetsURL(${JSON.stringify(relativeFilename)})` }
}
}
},
define: {
'process.server': true,
'process.client': false,
'typeof window': '"undefined"',
'typeof document': '"undefined"',
'typeof navigator': '"undefined"',
'typeof location': '"undefined"',
'typeof XMLHttpRequest': '"undefined"'
},
optimizeDeps: {
entries: [ctx.entry]
},
resolve: {
alias: {
'#build/plugins': resolve(ctx.nuxt.options.buildDir, 'plugins/server'),
...ctx.nuxt.options.experimental.externalVue || ctx.nuxt.options.dev
? {}
: {
'@vue/reactivity': _resolve(`@vue/reactivity/dist/reactivity.cjs${ctx.nuxt.options.dev ? '' : '.prod'}.js`),
'@vue/shared': _resolve(`@vue/shared/dist/shared.cjs${ctx.nuxt.options.dev ? '' : '.prod'}.js`),
'vue-router': _resolve(`vue-router/dist/vue-router.cjs${ctx.nuxt.options.dev ? '' : '.prod'}.js`),
'vue/server-renderer': _resolve('vue/server-renderer'),
'vue/compiler-sfc': _resolve('vue/compiler-sfc'),
vue: _resolve(`vue/dist/vue.cjs${ctx.nuxt.options.dev ? '' : '.prod'}.js`)
}
}
},
ssr: {
external: ctx.nuxt.options.experimental.externalVue
? ['#internal/nitro', '#internal/nitro/utils', 'vue', 'vue-router']
: ['#internal/nitro', '#internal/nitro/utils'],
noExternal: [
...ctx.nuxt.options.build.transpile,
// TODO: Use externality for production (rollup) build
/\/esm\/.*\.js$/,
/\.(es|esm|esm-browser|esm-bundler).js$/,
'/__vue-jsx',
'#app',
/^nuxt(\/|$)/,
/(nuxt|nuxt3)\/(dist|src|app)/
]
},
build: {
sourcemap: ctx.nuxt.options.sourcemap.server ? ctx.config.build?.sourcemap ?? true : false,
outDir: resolve(ctx.nuxt.options.buildDir, 'dist/server'),
ssr: ctx.nuxt.options.ssr ?? true,
rollupOptions: {
input: ctx.entry,
external: ['#internal/nitro', ...ctx.nuxt.options.experimental.externalVue ? ['vue', 'vue-router'] : []],
output: {
entryFileNames: 'server.mjs',
preferConst: true,
// TODO: https://github.com/vitejs/vite/pull/8641
inlineDynamicImports: !ctx.nuxt.options.experimental.viteServerDynamicImports,
format: 'module'
},
onwarn (warning, rollupWarn) {
if (warning.code && ['UNUSED_EXTERNAL_IMPORT'].includes(warning.code)) {
return
}
rollupWarn(warning)
}
}
},
server: {
// https://github.com/vitest-dev/vitest/issues/229#issuecomment-1002685027
preTransformRequests: false,
hmr: false
},
plugins: [
cacheDirPlugin(ctx.nuxt.options.rootDir, 'server'),
vuePlugin(ctx.config.vue),
viteJsxPlugin()
]
} as ViteOptions)
if (ctx.nuxt.options.experimental.inlineSSRStyles) {
const chunksWithInlinedCSS = new Set<string>()
serverConfig.plugins!.push(ssrStylesPlugin({
srcDir: ctx.nuxt.options.srcDir,
chunksWithInlinedCSS,
shouldInline: typeof ctx.nuxt.options.experimental.inlineSSRStyles === 'function'
? ctx.nuxt.options.experimental.inlineSSRStyles
: undefined
}))
// Remove CSS entries for files that will have inlined styles
ctx.nuxt.hook('build:manifest', (manifest) => {
for (const key in manifest) {
const entry = manifest[key]
const shouldRemoveCSS = chunksWithInlinedCSS.has(key)
if (shouldRemoveCSS) {
entry.css = []
}
// Add entry CSS as prefetch (non-blocking)
if (entry.isEntry) {
manifest[key + '-css'] = {
file: '',
css: entry.css
}
entry.css = []
entry.dynamicImports = entry.dynamicImports || []
entry.dynamicImports.push(key + '-css')
}
}
})
}
// Add type-checking
if (ctx.nuxt.options.typescript.typeCheck === true || (ctx.nuxt.options.typescript.typeCheck === 'build' && !ctx.nuxt.options.dev)) {
const checker = await import('vite-plugin-checker').then(r => r.default)
serverConfig.plugins!.push(checker({
vueTsc: {
tsconfigPath: await resolveTSConfig(ctx.nuxt.options.rootDir)
}
}))
}
await ctx.nuxt.callHook('vite:extendConfig', serverConfig, { isClient: false, isServer: true })
const onBuild = () => ctx.nuxt.callHook('build:resources', wpfs)
// Production build
if (!ctx.nuxt.options.dev) {
const start = Date.now()
logger.info('Building server...')
await vite.build(serverConfig)
// Write production client manifest
await writeManifest(ctx)
await onBuild()
logger.success(`Server built in ${Date.now() - start}ms`)
return
}
// Write dev client manifest
await writeManifest(ctx)
if (!ctx.nuxt.options.ssr) {
await onBuild()
return
}
// Start development server
const viteServer = await vite.createServer(serverConfig)
ctx.ssrServer = viteServer
await ctx.nuxt.callHook('vite:serverCreated', viteServer, { isClient: false, isServer: true })
// Close server on exit
ctx.nuxt.hook('close', () => viteServer.close())
// Initialize plugins
await viteServer.pluginContainer.buildStart({})
if (ctx.config.devBundler !== 'legacy') {
await initViteNodeServer(ctx)
} else {
logger.info('Vite server using legacy server bundler...')
await import('./dev-bundler').then(r => r.initViteDevBundler(ctx, onBuild))
}
}