Cannot find package 'jest-cli' when running yarn dlx react-native-harness@latest init

[migueldaipre]

Describe the bug

Description

Running yarn dlx react-native-harness@latest initcrashes with:

Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'jest-cli' imported from .../node_modules/@react-native-harness/cli/dist/index.js

Root Cause:

@react-native-harness/cli lists jest-clias a peerDependency ("jest-cli": "*") and a devDependency ("jest-cli": "^30.2.0"), but not as a regular dependency.

However, src/index.ts directly imports at runtime:

import { run, yargsOptions } from 'jest-cli';

Since jest-cli is neither a runtime dependency nor auto-installed by yarn dlx/npx, the import fails.

Expected behavior: yarn dlx react-native-harness@latest init should work without requiring the user to manually install jest-cli first.

I can provide a repro if it's really necessary.

System Info

- react-native-harness: 1.2.0
- @react-native-harness/cli: 1.2.0
- Node.js: v20.19.4
- Yarn: 4.13.0
- OS: macOS

React Native Harness Version

1.2.0

Reproduction

https://github.com/migueldaipre/react-native-harness

Steps to reproduce

Run yarn dlx react-native-harness@latest init on an empty rn project