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  • License MIT

Simple logger utility

Package Exports

  • @pgpmjs/logger
  • @pgpmjs/logger/esm/index.js
  • @pgpmjs/logger/index.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@pgpmjs/logger) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

@pgpmjs/logger

Simple logger utility with yanse colors for consistent logging across packages.

Installation

npm install @pgpmjs/logger

Features

  • Colored console output using yanse
  • Consistent log formatting
  • Namespace support for identifying log sources
  • Simple API with log, error, and warn methods

Usage

import { Logger } from '@pgpmjs/logger';

// Create a logger with a namespace
const log = new Logger('my-module');

// Log messages
log.log('This is a regular message');
log.error('This is an error message');
log.warn('This is a warning message');

// Messages will be prefixed with the namespace in color
// [my-module] This is a regular message

API

new Logger(namespace: string)

Creates a new logger instance with the given namespace.

Methods

  • log(...args: any[]): void - Log a regular message (cyan namespace)
  • error(...args: any[]): void - Log an error message (red namespace)
  • warn(...args: any[]): void - Log a warning message (yellow namespace)

Example

import { Logger } from '@pgpmjs/logger';

const dbLog = new Logger('database');
const apiLog = new Logger('api');

dbLog.log('Connected to PostgreSQL');
// Output: [database] Connected to PostgreSQL (with cyan [database])

apiLog.error('Failed to fetch user:', error);
// Output: [api] Failed to fetch user: ... (with red [api])

apiLog.warn('Rate limit approaching');
// Output: [api] Rate limit approaching (with yellow [api])

Education and Tutorials

  1. 🚀 Quickstart: Getting Up and Running Get started with modular databases in minutes. Install prerequisites and deploy your first module.

  2. 📦 Modular PostgreSQL Development with Database Packages Learn to organize PostgreSQL projects with pgpm workspaces and reusable database modules.

  3. ✏️ Authoring Database Changes Master the workflow for adding, organizing, and managing database changes with pgpm.

  4. 🧪 End-to-End PostgreSQL Testing with TypeScript Master end-to-end PostgreSQL testing with ephemeral databases, RLS testing, and CI/CD automation.

  5. ⚡ Supabase Testing Use TypeScript-first tools to test Supabase projects with realistic RLS, policies, and auth contexts.

  6. 💧 Drizzle ORM Testing Run full-stack tests with Drizzle ORM, including database setup, teardown, and RLS enforcement.

  7. 🔧 Troubleshooting Common issues and solutions for pgpm, PostgreSQL, and testing.

📦 Package Management

  • pgpm: 🖥️ PostgreSQL Package Manager for modular Postgres development. Works with database workspaces, scaffolding, migrations, seeding, and installing database packages.

🧪 Testing

  • pgsql-test: 📊 Isolated testing environments with per-test transaction rollbacks—ideal for integration tests, complex migrations, and RLS simulation.
  • pgsql-seed: 🌱 PostgreSQL seeding utilities for CSV, JSON, SQL data loading, and pgpm deployment.
  • supabase-test: 🧪 Supabase-native test harness preconfigured for the local Supabase stack—per-test rollbacks, JWT/role context helpers, and CI/GitHub Actions ready.
  • graphile-test: 🔐 Authentication mocking for Graphile-focused test helpers and emulating row-level security contexts.
  • pg-query-context: 🔒 Session context injection to add session-local context (e.g., SET LOCAL) into queries—ideal for setting role, jwt.claims, and other session settings.

🧠 Parsing & AST

  • pgsql-parser: 🔄 SQL conversion engine that interprets and converts PostgreSQL syntax.
  • libpg-query-node: 🌉 Node.js bindings for libpg_query, converting SQL into parse trees.
  • pg-proto-parser: 📦 Protobuf parser for parsing PostgreSQL Protocol Buffers definitions to generate TypeScript interfaces, utility functions, and JSON mappings for enums.
  • @pgsql/enums: 🏷️ TypeScript enums for PostgreSQL AST for safe and ergonomic parsing logic.
  • @pgsql/types: 📝 Type definitions for PostgreSQL AST nodes in TypeScript.
  • @pgsql/utils: 🛠️ AST utilities for constructing and transforming PostgreSQL syntax trees.

Credits

🛠 Built by the Constructive team — creators of modular Postgres tooling for secure, composable backends. If you like our work, contribute on GitHub.

Disclaimer

AS DESCRIBED IN THE LICENSES, THE SOFTWARE IS PROVIDED "AS IS", AT YOUR OWN RISK, AND WITHOUT WARRANTIES OF ANY KIND.

No developer or entity involved in creating this software will be liable for any claims or damages whatsoever associated with your use, inability to use, or your interaction with other users of the code, including any direct, indirect, incidental, special, exemplary, punitive or consequential damages, or loss of profits, cryptocurrencies, tokens, or anything else of value.