Installing an npm package without saving to package.json or lock files

[shreshthmohan]

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• [ ] TODO: This will still break if there's a conflict with other dependencies in package.json

I recently ran into a problem where I needed a package, but the existing set of npm packages would break if I installed the one I needed. This is because they needed a different Node.js version.

So here's what I did.

1. Switch to my desired version of node:

   nvm use v16

2. Install the required package without saving

   npm install --no-package-lock --no-save tailwindcss@^3.3.0

3. Define a script in package.json and then run it:

   "scripts": {
   "twdev": "tailwindcss -i ./tailwind/styles.css -o ./app/assets/stylesheets/tailwind.css --watch"
   }

4. As an additional step I could switch back to the node version they were using earlier in a shell script

   # Make note of current node version
   nvm ls
   # Store that in a variable and switch to that with
   nvm use <prev-node-version>