nuxi generate: ReferenceError: System is not defined

[yassilah]

Environment

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• Operating System: Linux
• Node Version: v16.13.0
• Nuxt Version: 2.16.0-27358576.777a4b7f
• Package Manager: yarn@1.22.17
• Bundler: Webpack
• User Config: target, srcDir, dir, bridge, head, components, generate, build, plugins, buildModules, modules, alias, vite, hooks, layouts, autoImports, database, info, style, fonts
• Runtime Modules: normalizedModule()
• Build Modules: @nuxt/bridge@3.0.0-27408103.b243891, normalizedModule(), normalizedModule(), normalizedModule(), normalizedModule(), normalizedModule(), normalizedModule(), normalizedModule(), normalizedModule(), normalizedModule(), @vueuse/nuxt@7.6.1, unplugin-icons/nuxt, @pinia/nuxt@0.1.8

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Reproduction

Simply run nuxi generate in a nuxt bridge project, then run nuxi preview.

Describe the bug

An error is thrown from the entry-legacy file: Uncaught (in promise) ReferenceError: System is not defined.

Additional context

No response

Logs

No response

[IlyaSemenov]

It's not only nuxi generate but also nuxi build. There is no SystemJS runtime in the final production build, and all client-side code doesn't load and doesn't start.