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claude-engineering-plugin/plugins/compound-engineering/skills/ce-polish-beta/references/dev-server-nuxt.md
2026-04-16 17:55:10 -05:00

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Nuxt dev-server recipe (auto-detect fallback)

Loaded when detect-project-type.sh returns nuxt and there is no .claude/launch.json to consult.

Signature

  • nuxt.config.js, nuxt.config.mjs, or nuxt.config.ts exists
  • package.json contains a nuxt dependency

Start command

Standard:

npm run dev

Also valid (read package.json scripts to confirm which the project uses):

pnpm dev
yarn dev
bun run dev

Prefer the package manager indicated by the lockfile:

  • pnpm-lock.yaml -> pnpm dev
  • yarn.lock -> yarn dev
  • bun.lock / bun.lockb -> bun run dev
  • package-lock.json or none -> npm run dev

Port

Default: 3000. Nuxt respects --port <port> and the PORT env var. Overrides follow the cascade in references/dev-server-detection.md.

Stub generation

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Nuxt dev",
      "runtimeExecutable": "npm",
      "runtimeArgs": ["run", "dev"],
      "port": 3000
    }
  ]
}

Substitute the resolved package manager (npm / pnpm / yarn / bun) and port.

Common gotchas

  • Nitro server engine: Nitro (Nuxt's server engine) adds its own dev server behind Nuxt's; polish only cares about the Nuxt port. Do not probe the Nitro internal port separately.
  • Port auto-increment: Nuxt auto-increments the port if 3000 is already taken (unlike Next.js which errors). Polish's kill-by-port step handles this by reclaiming the port before starting, so the auto-increment behavior does not cause issues in practice.
  • Nuxt 3 vs Nuxt 2: Nuxt 3 uses nuxt.config.ts, Nuxt 2 uses nuxt.config.js -- both are detected by the signature check. The dev-server command and port defaults are the same across both versions.