NPM

General

• package.json, dependencies with @ e.g. @nomiclabs/hardhat are built by the project i.e. nomiclabs.

Prettier

• user settings (can default to vscode, etc)
• project settings (can set to prettier w config file) .prettierrc

{
  "tabWidth": 2,
  "semi": false,
  "useTabs": false,
  "singleQuote": false
}

dep vs dev-dep

• use dev for testing env. use normal for anything needing to run app in prod
• dev = unit tests, linters, hardhat, etc anything to build/transpile/package
• pnpm add --dev hardhat