JSON key compare CLI

A simple, fast, and lightweight CLI tool to recursively compare JSON files and identify missing keys. Built with Bun.

Features

- 🔍 Recursive Comparison: deeply compares nested objects found in your JSON files.
- 📂 Multi-file Support: Compare a base JSON file against multiple other files at once.
- ⚡ Fast: Built on the recursive logic using the fast Bun runtime.
- 🎯 Precise Reporting: specific output pinpointing exactly which keys are missing (e.g., config.database.host).
- ✨ Zero Dependencies: Lightweight and efficient.

Usage

You can run this tool directly using bun.

$3

Install globally with bun:

``bash
bun add -g json-key-compare
`

$3

Compare two files:

`bash
json-key-compare base.json target.json
`

$3

Compare a base file against multiple target files:

`bash
json-key-compare en.json fr.json es.json
`

Example Output

`text
📄 fr.json
✗ 2 missing key(s):
• common.buttons.delete
• pages.settings.theme

📄 es.json
✓ No missing keys
`

Development

To install dependencies:

`bash
bun install
`

To run tests:

`bash
bun test
``

License

MIT