allow disabling async importer

packages/nitro/src/nuxt-deploy.ts

@@ -20,7 +20,6 @@ async function main () {
     buildDir: '',
     targets: [],
     nuxt: 2,
-    dynamicImporter: undefined,
     importSync: "require('../server/' + chunkId)",
     importAsync: "Promise.resolve(require('../server/' + chunkId))",
     target: process.argv[3] && process.argv[3][0] !== '-' ? process.argv[3] : null,
@@ -51,10 +50,8 @@ async function main () {
   consola.info('Generated', prettyPath(htmlTemplateFileJS))
 
   // Collect dynamic chunks
-  if (!config.dynamicImporter) {
-    consola.info('Collecting dynamic chunks...')
-    config.dynamicImporter = await createDynamicImporter(resolve(config.buildDir, 'dist/server'))
-  }
+  consola.info('Collecting dynamic chunks...')
+  const dynamicImporter = await createDynamicImporter(resolve(config.buildDir, 'dist/server'))
 
   // Bundle for each target
   for (let target of config.targets) {
@@ -72,7 +69,8 @@ async function main () {
     const ctx: any = defu(
       target,
       config,
-      tryImport(__dirname, `./targets/${target.target}`) || tryImport(config.rootDir, target.target)
+      tryImport(__dirname, `./targets/${target.target}`) || tryImport(config.rootDir, target.target),
+      { dynamicImporter }
     )
 
     const hooks = new Hookable()

packages/nitro/src/rollup.config.ts

@@ -70,7 +70,7 @@ export const getRollupConfig = (config) => {
   if (config.dynamicImporter) {
     options.output.intro += config.dynamicImporter(config.importSync, config.importAsync)
   } else {
-    options.output.intro += 'const requireDynamic = require;'
+    options.output.intro += `const requireDynamic = (chunkId) => ${config.importSync}`
   }
   options.plugins.push(replace({ values: { 'require("./" +': 'requireDynamic(' }, delimiters: ['', ''] }))
 

packages/nitro/src/targets/vercel/index.ts

@@ -2,6 +2,7 @@ import consola from 'consola'
 
 export default {
   entry: require.resolve('./entry'),
+  dynamicImporter: false,
   hooks: {
     'rollup:done' (_ctx) {
       consola.info('Run `vercel deploy` to deploy!')