npm-check-updates

NPM-Check-Updates Plugin

Find newer versions of dependencies than what package.json allows.

Commands

Dependency Management

• npm-check-updates dependencies check — Check for newer dependency versions
• npm-check-updates dependencies upgrade — Upgrade package.json with latest versions

Usage Examples

• "npm-check-updates dependencies check --json"
• "npm-check-updates dependencies upgrade --target latest"

Installation

npm install -g npm-check-updates

Examples

# Check for updates
ncu

# Check with JSON output
ncu --json

# Upgrade package.json
ncu -u

# Target specific version type
ncu --target minor
ncu --target patch

# Filter specific packages
ncu --filter "express*"

# Check specific package file
ncu --packageFile package.json

# Check only production dependencies
ncu --prod

# Check only dev dependencies
ncu --dev

Key Features

• Check for newer dependency versions
• Upgrade package.json automatically
• JSON output for automation
• Filter by package name
• Target specific version types (latest, minor, patch)
• Compatible with npm, yarn, pnpm, deno, bun