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Package.json Analyzer

Analyze package.json files to evaluate dependencies, version types, and risk levels. Useful for npm project management.

package.json

Version Type Guide

  • ^ (Caret): Allows minor and patch updates
  • ~ (Tilde): Allows patch updates only
  • Exact: No automatic updates
  • Range: Custom version range (highest risk)

Key Features​

  • Dependency statistics (total, dependencies, devDependencies)
  • Version type analysis (Exact, Caret, Tilde, Range)
  • Risk assessment for each dependency
  • Script analysis and classification
  • Visual dashboard with statistics

Version Type Guide​

Exact Version​

"lodash": "4.17.21"
  • Installs exactly that version
  • No automatic updates
  • Risk: Low ✅

Caret (^)​

"react": "^18.2.0"
  • Allows minor and patch updates
  • ^18.2.0 → allows 18.x.x
  • Risk: Medium ⚠️

Tilde (~)​

"axios": "~1.4.0"
  • Allows patch updates only
  • ~1.4.0 → allows 1.4.x
  • Risk: Low ✅

Range​

"express": ">=4.0.0 <5.0.0"
  • Complex version ranges
  • Unpredictable updates
  • Risk: High ❌

Best Practices​

✅ Do:

  • Use package-lock.json
  • Regular security audits (npm audit)
  • Conservative version ranges for production

❌ Don't:

  • Use wildcards ("*")
  • Use overly broad ranges
  • Put devDependencies in dependencies