@tpmjs/tools-env-var-docs-generate

Generates documentation for environment variables from .env files.

Installation

npm install @tpmjs/tools-env-var-docs-generate

Usage

import { envVarDocsGenerate } from '@tpmjs/tools-env-var-docs-generate';
import { generateText } from 'ai';

const result = await generateText({
  model: yourModel,
  tools: { envVarDocsGenerate },
  prompt: 'Generate documentation for this .env file: ...',
});

Features

• Parses .env file format with variable assignments
• Extracts descriptions from comments (both above and inline)
• Supports REQUIRED/OPTIONAL markers in comments
• Detects default values and examples
• Generates markdown documentation with tables
• Provides statistics (total, required, optional counts)

Input

• envContent (string): The content of the .env file to parse

Output

Returns an object with:

• variables (array): List of environment variables with metadata
  • name: Variable name
  • description: Description from comments
  • required: Whether the variable is required
  • default: Default value if present
  • example: Example value if present
• markdown (string): Generated markdown documentation
• totalVariables (number): Total count of variables
• requiredCount (number): Count of required variables
• optionalCount (number): Count of optional variables

Example

const envContent = `
# REQUIRED: Database connection URL
DATABASE_URL=postgresql://localhost:5432/mydb

# API key for external service
API_KEY=your-api-key-here

# OPTIONAL: Port number
PORT=3000
`;

const docs = await envVarDocsGenerate.execute({ envContent });

console.log(docs.markdown);
// # Environment Variables
//
// Total: 3 variables (2 required, 1 optional)
//
// ## Required Variables
// ...

Supported Comment Formats

• # Comment above variable
• # REQUIRED: Description
• # OPTIONAL: Description
• VAR_NAME=value # inline comment

License

MIT