Node and npm versions
Check which versions you’re running.
node -v && npm -vNode.js & npm commands
npm, npx and nvm commands for Node.js projects: reinstalling dependencies, checking outdated packages, switching Node versions and scaffolding new apps.
14 commands
Fresh reinstall of dependencies
The classic fix for weird dependency errors.
rm -rf node_modules package-lock.json && npm installRegenerates the lockfile, so versions may change within your semver ranges.
Clean install from the lockfile
Deletes node_modules and installs exactly what package-lock.json says. Best for CI and reproducible builds.
npm ciSee outdated packages
Current, wanted and latest versions of every dependency.
npm outdatedUpdate all packages to latest
Bumps every version in package.json to the newest release.
npx npm-check-updates -u && npm installIncludes major versions that may have breaking changes. Commit first.
Why is this package installed?
Shows which dependencies pulled it in.
npm explain List global packages
Everything installed with npm install -g.
npm ls -g --depth=0Clear the npm cache
Fixes some corrupted-download errors.
npm cache clean --forceFix vulnerable dependencies
Upgrades packages with known vulnerabilities where it’s safe to do so.
npm audit fixInstall and use the latest LTS Node
Requires nvm (or nvm-windows).
nvm install --lts && nvm use --ltsCreate a Next.js app
Scaffolds a new Next.js project with prompts for TypeScript, ESLint and more.
npx create-next-app@latest Create a Vite app
Choose React, Vue, Svelte and more.
npm create vite@latest Enable pnpm
Turns on pnpm using Node’s built-in Corepack.
corepack enable pnpmRun a package.json script
Run npm run with no name to list available scripts.
npm run Every command copies as plain, clean text: no curly quotes, no long dashes, no invisible characters.