nuxt · pi0 · Jul 21, 2022 · Jun 10, 2022 · Jun 10, 2022 · Jun 10, 2022
diff --git a/package.json b/package.json
@@ -42,7 +42,7 @@
     "nuxi": "link:./packages/nuxi",
     "nuxt": "link:./packages/nuxt",
     "nuxt3": "link:./packages/nuxt",
-    "vite": "^2.9.14",
+    "vite": "~3.0.0",
     "unbuild": "^0.7.6"
   },
   "devDependencies": {

diff --git a/packages/nuxt/src/components/loader.ts b/packages/nuxt/src/components/loader.ts
@@ -31,8 +31,8 @@ export const loaderPlugin = createUnplugin((options: LoaderOptions) => {
       const { pathname, search } = parseURL(decodeURIComponent(pathToFileURL(id).href))
       const query = parseQuery(search)
       // we only transform render functions
-      // from `type=template` (in Webpack) and bare `.vue` file (in Vite)
-      return pathname.endsWith('.vue') && (query.type === 'template' || !!query.macro || !search)
+      // from `type=template` (in Webpack), bare `.vue` file and setup=true (Vite 2/3)
+      return pathname.endsWith('.vue') && (query.type === 'template' || !!query.macro || !!query.setup || !search)
     },
     transform (code, id) {
       const components = options.getComponents()

diff --git a/packages/nuxt/src/core/nitro.ts b/packages/nuxt/src/core/nitro.ts
@@ -41,10 +41,7 @@ export async function initNitro (nuxt: Nuxt) {
       generateTsConfig: false
     },
     publicAssets: [
-      {
-        baseURL: nuxt.options.app.buildAssetsDir,
-        dir: resolve(nuxt.options.buildDir, 'dist/client')
-      },
+      { dir: resolve(nuxt.options.buildDir, 'dist/client') },
       ...nuxt.options._layers
         .map(layer => join(layer.config.srcDir, layer.config.dir?.public || 'public'))
         .filter(dir => existsSync(dir))

diff --git a/packages/nuxt/src/core/templates.ts b/packages/nuxt/src/core/templates.ts
@@ -211,7 +211,10 @@ export const publicPathTemplate: NuxtTemplate = {
       'export const publicAssetsURL = (...path) => {',
       '  const publicBase = appConfig.cdnURL || appConfig.baseURL',
       '  return path.length ? joinURL(publicBase, ...path) : publicBase',
-      '}'
+      '}',
+
+      'globalThis.__buildAssetsURL = buildAssetsURL',
+      'globalThis.__publicAssetsURL = publicAssetsURL'
     ].filter(Boolean).join('\n')
   }
 }
diff --git a/packages/nuxt/src/pages/macros.ts b/packages/nuxt/src/pages/macros.ts
@@ -3,6 +3,7 @@ import { createUnplugin } from 'unplugin'
 import { parseQuery, parseURL, withQuery } from 'ufo'
 import { findStaticImports, findExports } from 'mlly'
 import MagicString from 'magic-string'
+import { isAbsolute } from 'pathe'
 
 export interface TransformMacroPluginOptions {
   macros: Record<string, string>
@@ -48,7 +49,8 @@ export const TransformMacroPlugin = createUnplugin((options: TransformMacroPlugi
       if (scriptImport) {
         // https://github.com/vuejs/vue-loader/pull/1911
         // https://github.com/vitejs/vite/issues/8473
-        const parsed = parseURL(scriptImport.specifier.replace('?macro=true', ''))
+        const url = isAbsolute(scriptImport.specifier) ? pathToFileURL(scriptImport.specifier).href : scriptImport.specifier
+        const parsed = parseURL(decodeURIComponent(url).replace('?macro=true', ''))
         const specifier = withQuery(parsed.pathname, { macro: 'true', ...parseQuery(parsed.search) })
         s.overwrite(0, code.length, `export { meta } from "${specifier}"`)
         return result()

diff --git a/packages/schema/package.json b/packages/schema/package.json
@@ -17,7 +17,7 @@
     "@types/lodash.template": "^4",
     "@types/semver": "^7",
     "unbuild": "latest",
-    "vite": "^2.9.14"
+    "vite": "~3.0.0"
   },
   "dependencies": {
     "c12": "^0.2.8",

diff --git a/packages/schema/src/config/vite.ts b/packages/schema/src/config/vite.ts
@@ -1,5 +1,5 @@
 import { resolve } from 'pathe'
-import { joinURL, withoutLeadingSlash } from 'ufo'
+import { withoutLeadingSlash } from 'ufo'
 
 export default {
   /**
@@ -28,11 +28,6 @@ export default {
     resolve: {
       extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.vue'],
     },
-    base: {
-      $resolve: (val, get) => val ?? get('dev')
-      ? joinURL(get('app').baseURL, get('app').buildAssetsDir)
-      : '/__NUXT_BASE__/',
-    },
     publicDir: {
       $resolve: (val, get) => val ?? resolve(get('srcDir'), get('dir').public),
     },
@@ -61,7 +56,7 @@ export default {
     clearScreen: false,
     build: {
       assetsDir: {
-        $resolve: (val, get) => val ?? get('dev') ? withoutLeadingSlash(get('app').buildAssetsDir) : '.',
+        $resolve: (val, get) => val ?? withoutLeadingSlash(get('app').buildAssetsDir),
       },
       emptyOutDir: false,
     },

diff --git a/packages/vite/package.json b/packages/vite/package.json
@@ -21,8 +21,8 @@
   "dependencies": {
     "@nuxt/kit": "^3.0.0-rc.6",
     "@rollup/plugin-replace": "^4.0.0",
-    "@vitejs/plugin-vue": "^2.3.3",
-    "@vitejs/plugin-vue-jsx": "^1.3.10",
+    "@vitejs/plugin-vue": "^3.0.0",
+    "@vitejs/plugin-vue-jsx": "^2.0.0",
     "autoprefixer": "^10.4.7",
     "chokidar": "^3.5.3",
     "cssnano": "^5.1.12",
@@ -47,7 +47,7 @@
     "rollup-plugin-visualizer": "^5.7.1",
     "ufo": "^0.8.5",
     "unplugin": "^0.7.2",
-    "vite": "^2.9.14",
+    "vite": "~3.0.0",
     "vite-node": "^0.18.1",
     "vite-plugin-checker": "^0.4.9"
   },

diff --git a/packages/vite/src/client.ts b/packages/vite/src/client.ts
@@ -1,21 +1,36 @@
-import { resolve } from 'pathe'
+import { join, resolve } from 'pathe'
 import * as vite from 'vite'
 import vuePlugin from '@vitejs/plugin-vue'
 import viteJsxPlugin from '@vitejs/plugin-vue-jsx'
 import type { Connect } from 'vite'
 import { logger } from '@nuxt/kit'
-import { joinURL } from 'ufo'
+import { getPort } from 'get-port-please'
+import { joinURL, withLeadingSlash, withoutLeadingSlash, withTrailingSlash } from 'ufo'
+import escapeRE from 'escape-string-regexp'
 import { cacheDirPlugin } from './plugins/cache-dir'
 import { analyzePlugin } from './plugins/analyze'
 import { wpfs } from './utils/wpfs'
 import type { ViteBuildContext, ViteOptions } from './vite'
 import { writeManifest } from './manifest'
 import { devStyleSSRPlugin } from './plugins/dev-ssr-css'
-import { RelativeAssetPlugin } from './plugins/dynamic-base'
 import { viteNodePlugin } from './vite-node'
 
 export async function buildClient (ctx: ViteBuildContext) {
+  const hmrPortDefault = 24678 // Vite's default HMR port
+  const hmrPort = await getPort({
+    port: hmrPortDefault,
+    ports: Array.from({ length: 20 }, (_, i) => hmrPortDefault + 1 + i)
+  })
   const clientConfig: vite.InlineConfig = vite.mergeConfig(ctx.config, {
+    experimental: {
+      renderBuiltUrl: (filename, { type, hostType }) => {
+        if (hostType !== 'js' || type === 'asset') {
+          // In CSS we only use relative paths until we craft a clever runtime CSS hack
+          return { relative: true }
+        }
+        return { runtime: `globalThis.__publicAssetsURL(${JSON.stringify(filename)})` }
+      }
+    },
     define: {
       'process.server': false,
       'process.client': true,
@@ -30,8 +45,10 @@ export async function buildClient (ctx: ViteBuildContext) {
     build: {
       rollupOptions: {
         output: {
-          chunkFileNames: ctx.nuxt.options.dev ? undefined : '[name]-[hash].mjs',
-          entryFileNames: ctx.nuxt.options.dev ? 'entry.mjs' : '[name]-[hash].mjs'
+          // https://github.com/vitejs/vite/tree/main/packages/vite/src/node/build.ts#L464-L478
+          assetFileNames: ctx.nuxt.options.dev ? undefined : withoutLeadingSlash(join(ctx.nuxt.options.app.buildAssetsDir, '[name].[hash].[ext]')),
+          chunkFileNames: ctx.nuxt.options.dev ? undefined : withoutLeadingSlash(join(ctx.nuxt.options.app.buildAssetsDir, '[name].[hash].mjs')),
+          entryFileNames: ctx.nuxt.options.dev ? 'entry.mjs' : withoutLeadingSlash(join(ctx.nuxt.options.app.buildAssetsDir, '[name].[hash].mjs'))
         }
       },
       manifest: true,
@@ -41,18 +58,30 @@ export async function buildClient (ctx: ViteBuildContext) {
       cacheDirPlugin(ctx.nuxt.options.rootDir, 'client'),
       vuePlugin(ctx.config.vue),
       viteJsxPlugin(),
-      RelativeAssetPlugin(),
       devStyleSSRPlugin({
         rootDir: ctx.nuxt.options.rootDir,
         buildAssetsURL: joinURL(ctx.nuxt.options.app.baseURL, ctx.nuxt.options.app.buildAssetsDir)
       }),
       viteNodePlugin(ctx)
     ],
+    appType: 'custom',
     server: {
+      hmr: {
+        // https://github.com/nuxt/framework/issues/4191
+        protocol: 'ws',
+        clientPort: hmrPort,
+        port: hmrPort
+      },
       middlewareMode: true
     }
   } as ViteOptions)
 
+  // In build mode we explicitly override any vite options that vite is relying on
+  // to detect whether to inject production or development code (such as HMR code)
+  if (!ctx.nuxt.options.dev) {
+    clientConfig.server.hmr = false
+  }
+
   // Add analyze plugin if needed
   if (ctx.nuxt.options.build.analyze) {
     clientConfig.plugins.push(...analyzePlugin(ctx))
@@ -65,10 +94,11 @@ export async function buildClient (ctx: ViteBuildContext) {
     const viteServer = await vite.createServer(clientConfig)
     ctx.clientServer = viteServer
     await ctx.nuxt.callHook('vite:serverCreated', viteServer, { isClient: true, isServer: false })
-
+    const BASE_RE = new RegExp(`^${escapeRE(withTrailingSlash(withLeadingSlash(joinURL(ctx.nuxt.options.app.baseURL, ctx.nuxt.options.app.buildAssetsDir))))}`)
     const viteMiddleware: Connect.NextHandleFunction = (req, res, next) => {
       // Workaround: vite devmiddleware modifies req.url
       const originalURL = req.url
+      req.url = req.url.replace(BASE_RE, '/')
       viteServer.middlewares.handle(req, res, (err) => {
         req.url = originalURL
         next(err)

diff --git a/packages/vite/src/dev-bundler.ts b/packages/vite/src/dev-bundler.ts
@@ -1,7 +1,7 @@
 import { pathToFileURL } from 'node:url'
 import { existsSync } from 'node:fs'
 import { builtinModules } from 'node:module'
-import { resolve } from 'pathe'
+import { isAbsolute, resolve } from 'pathe'
 import * as vite from 'vite'
 import { ExternalsOptions, isExternal as _isExternal, ExternalsDefaults } from 'externality'
 import { genDynamicImport, genObjectFromRawEntries } from 'knitwork'
@@ -77,7 +77,7 @@ async function transformRequest (opts: TransformOptions, id: string) {
   if (await isExternal(opts, withoutVersionQuery)) {
     const path = builtinModules.includes(withoutVersionQuery.split('node:').pop())
       ? withoutVersionQuery
-      : pathToFileURL(withoutVersionQuery).href
+      : isAbsolute(withoutVersionQuery) ? pathToFileURL(withoutVersionQuery).href : withoutVersionQuery
     return {
       code: `(global, module, _, exports, importMeta, ssrImport, ssrDynamicImport, ssrExportAll) =>
 ${genDynamicImport(path, { wrapper: false })}
@@ -140,11 +140,11 @@ export async function bundleRequest (opts: TransformOptions, entryURL: string) {
 // Parents: \n${listIds(chunk.parents)}
 // Dependencies: \n${listIds(chunk.deps)}
 // --------------------
-const ${hashId(chunk.id)} = ${chunk.code}
+const ${hashId(chunk.id + '-' + chunk.code)} = ${chunk.code}
 `).join('\n')
 
   const manifestCode = `const __modules__ = ${
-    genObjectFromRawEntries(chunks.map(chunk => [chunk.id, hashId(chunk.id)]))
+    genObjectFromRawEntries(chunks.map(chunk => [chunk.id, hashId(chunk.id + '-' + chunk.code)]))
   }`
 
   // https://github.com/vitejs/vite/blob/main/packages/vite/src/node/ssr/ssrModuleLoader.ts

diff --git a/packages/vite/src/manifest.ts b/packages/vite/src/manifest.ts
@@ -1,6 +1,7 @@
 import fse from 'fs-extra'
 import { resolve } from 'pathe'
-import { joinURL } from 'ufo'
+import { joinURL, withoutLeadingSlash, withTrailingSlash } from 'ufo'
+import escapeRE from 'escape-string-regexp'
 import type { ViteBuildContext } from './vite'
 
 export async function writeManifest (ctx: ViteBuildContext, extraEntries: string[] = []) {
@@ -27,6 +28,18 @@ export async function writeManifest (ctx: ViteBuildContext, extraEntries: string
     ? devClientManifest
     : await fse.readJSON(resolve(clientDist, 'manifest.json'))
 
+  const BASE_RE = new RegExp(`^${escapeRE(withTrailingSlash(withoutLeadingSlash(joinURL(ctx.nuxt.options.app.baseURL, ctx.nuxt.options.app.buildAssetsDir))))}`)
+  for (const key in clientManifest) {
+    if (clientManifest[key].file) {
+      clientManifest[key].file = clientManifest[key].file.replace(BASE_RE, '')
+    }
+    for (const item of ['css', 'assets']) {
+      if (clientManifest[key][item]) {
+        clientManifest[key][item] = clientManifest[key][item].map(i => i.replace(BASE_RE, ''))
+      }
+    }
+  }
+
   await fse.mkdirp(serverDist)
   await fse.writeFile(resolve(serverDist, 'client.manifest.json'), JSON.stringify(clientManifest, null, 2), 'utf8')
   await fse.writeFile(resolve(serverDist, 'client.manifest.mjs'), 'export default ' + JSON.stringify(clientManifest, null, 2), 'utf8')

diff --git a/packages/vite/src/plugins/dynamic-base.ts b/packages/vite/src/plugins/dynamic-base.ts