baseline-guard-cli

Scan your codebase for non-Baseline web features using the official web-features dataset.

Install

• npm i -g baseline-guard-cli
• Or per-project: npm i -D baseline-guard-cli

Quick start

• baseline-guard "src" --baseline 2025
• baseline-guard "src/**/*.ts" --format json | jq

Usage

• baseline-guard -h
• Usage: baseline-guard [options] <paths...>
• Scan codebase for non-Baseline web features
• Arguments:
  • paths Paths or globs to scan
• Options:
  • -V, --version output the version number
  • -f, --format output format: text|json (default: "text")
  • -b, --baseline Baseline year threshold (default: "2025")
  • -i, --ignore <globs...> Globs to ignore from scanning (default: [])
  • -h, --help display help for command

Examples

• Text output:
  • baseline-guard ./src -b 2024
• JSON for CI:
  • baseline-guard ./src --format json > baseline-report.json
• Multiple globs:
  • baseline-guard "src" "lib" -i "/dist/" "**/*.test.ts"
• CSS/HTML scanning:
  • baseline-guard "public" "styles" -b 2025

Exit codes

• 0: All features are Baseline-compatible
• 1: Unsupported features found

What’s included

• Scans JS/TS/JSX/TSX, CSS, and HTML
• Deduplicated findings, human-readable output
• Built for CI and local workflows

Related packages

• baseline-guard-core: shared logic and feature checking APIs
• eslint-plugin-baseline-guard: ESLint rule to warn while coding

Author

• Raiyan Siddique

Repository

• https://github.com/raiyansiddz/baseline-guard

License

• MIT