What this error means
ERR_PNPM_IGNORED_BUILDS: esbuild build script blocked during shadcn init is a pnpm failure pattern reported for developers trying to fix shadcn init err_pnpm_ignored_builds esbuild build script blocked on vite template. Based on the imported evidence, treat this as a tool-specific troubleshooting page rather than a generic API error.
Why this happens
shadcn init with Vite template fails with ERR_PNPM_IGNORED_BUILDS because esbuild postinstall script is blocked by pnpm 11's default security policy. shadcn/ui is a widely-used component library.
Common causes
- Running shadcn init with Vite template via pnpm dlx fails during internal pnpm install because esbuild's build script is blocked by pnpm 11's security policy. This is the first interaction new projects have with shadcn/ui.
- shadcn init with Vite template fails with ERR_PNPM_IGNORED_BUILDS because esbuild postinstall script is blocked by pnpm 11's default security policy. shadcn/ui is a widely-used component library.
Quick fixes
- Confirm the exact error signature matches
ERR_PNPM_IGNORED_BUILDS: esbuild build script blocked during shadcn init. - Check the pnpm account, local tool state, and provider configuration involved in the failing workflow.
- Compare the failing environment with a known working setup, then change one configuration value at a time.
Platform/tool-specific checks
- Verify the command, editor, extension, or API client that produced the error.
- Compare local settings with CI, deployment, or editor-level settings when the error appears in only one environment.
- Avoid deleting credentials, local model data, or project settings until the failing scope is clear.
Step-by-step troubleshooting
- Capture the exact error message and the command, editor action, or request that triggered it.
- Check whether the failure is account/auth, quota/rate, model/provider, local runtime, or deployment configuration.
- Review the source evidence below and compare it with your environment.
- Apply one change at a time and rerun the smallest failing action.
- Keep the working fix documented for the team or deployment environment.
How to prevent it
- Keep provider/tool configuration documented.
- Record non-secret diagnostics such as tool version, provider name, model name, and command path.
- Add a lightweight check before CI or production workflows depend on the tool.