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DEVELOPMENT.md

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Development Guide

This project is a pnpm/Lerna workspace for PostgreSQL parser and deparser functionality. Follow these steps to get started with development.

Prerequisites

  • Node.js (v18 or higher recommended)
  • pnpm package manager

Initial Setup

  1. Install dependencies:
pnpm install
  1. Build all packages:
pnpm build

Running Tests

The project uses Jest for testing. Each package has its own test suite.

Running Tests for a Specific Package

To run tests for a specific package, navigate to that package's directory and use the test:watch command:

cd packages/deparser
pnpm test:watch

you can also run pnpm test if you don't need to watch.

This will start Jest in watch mode, which will automatically re-run tests when files change.

Available Packages

  • packages/deparser: SQL deparser implementation
  • packages/parser: SQL parser implementation
  • packages/types: TypeScript type definitions
  • packages/utils: Utility functions

Project Structure

packages/
  ├── deparser/     # SQL deparser implementation
  ├── parser/       # SQL parser implementation
  ├── types/        # TypeScript type definitions
  └── utils/        # Utility functions

Development Workflow

  1. Make changes to the code
  2. Run tests in watch mode for the affected package
  3. Ensure all tests pass
  4. Commit your changes

Common Commands

  • pnpm build: Build all packages
  • pnpm test: Run all tests
  • pnpm test:watch: Run tests in watch mode
  • pnpm lint: Run linter
  • pnpm clean: Clean build artifacts

Notes

  • The project uses Lerna for managing multiple packages in a monorepo
  • Each package can be developed and tested independently
  • Changes to shared packages (types, utils) may require rebuilding dependent packages