@sameer52718/dotenv-linter Note: Replace with your project logo or screenshot URL. A linter for .env files to ensure consistency with .env.example. Features

✅ Detect missing variables compared to .env.example ✅ Warn about extra variables in .env not listed in .env.example ✅ Flag duplicate keys ✅ Optional: Check for empty values ✅ CLI + Node API ✅ Create .env.example from .env file

Installation npm install @sameer52718/dotenv-linter

Usage CLI npx @sameer52718/dotenv-linter --env .env --example .env.example --check-empty

Options:

--env, -e: Path to .env file (default: .env) --example, -x: Path to .env.example file (default: .env.example) --check-empty: Check for empty values in .env file --create-example: Create .env.example from .env file

To create a .env.example file: npx @sameer52718/dotenv-linter --create-example

Node API const DotenvLinter = require('@sameer52718/dotenv-linter');

const linter = new DotenvLinter({ checkEmptyValues: true }); const results = linter.lint('.env', '.env.example');

console.log(results);

// Create .env.example linter.createExampleFile('.env', '.env.example');

Example Given:

.env

API_KEY=12345 DATABASE_URL= EXTRA_VAR=hello

Running: npx @sameer52718/dotenv-linter --create-example

Output: Created .env.example at .env.example

Content of .env.example: API_KEY= DATABASE_URL= EXTRA_VAR=

License MIT Website Project Homepage Contributing Contributions are welcome! Please open an issue or submit a pull request.