1. Sharing node_module

To share a single node_modules folder across multiple React (or other Node.js) projects — but it’s not recommended for most situations unless you’re using a monorepo or know the trade-offs well.

Option 1: ✅ Use a Monorepo (Recommended Way)

Tools like:

• Turborepo
• Nx
• Yarn Workspaces
• npm Workspaces

Let you keep multiple projects in one repo like this:

my-monorepo/
├── node_modules/         ← Shared
├── package.json
├── packages/
│   ├── project-a/
│   └── project-b/

Each project still has its own dependencies listed, but the node_modules folder is centralized. Tools handle symlinks and dependency resolution for you.

✅ Benefits:

• Saves space.
• Better dependency caching.
• Built-in tools for linking internal packages.
• Great for teams and scalable setups.

Option 2: ⚠️ Manually Symlink node_modules** (Not Recommended)

You could create a node_modules folder in a common location, and use a symlink like:

ln -s /path/to/shared/node_modules ./node_modules

But this is risky:

• It breaks module resolution logic that assumes local context.
• Tools like Webpack, React Scripts, or Next.js may misbehave.
• React dependencies may conflict across projects (different versions, peer dependencies, etc.).
• You’ll likely encounter bugs during build or runtime.

❌ Why Not Just Share node_modules?

• Each project has its own dependency tree (including nested versions).
• React is sensitive to multiple versions (e.g., react, react-dom).
• You may cause version mismatches, hard-to-debug errors, or broken builds.

Best Practice

• 🔁 Use a monorepo with npm/yarn/pnpm workspaces if you want to share dependencies smartly.
• 💾 Don’t manually share node_modules — not worth the headache.
• 🧹 Use .nvmrc or .volta for consistent Node versions instead of reusing folders.