@ts-apis/ts-utils

Shared TypeScript utility functions for API services.

Features

• Express.js middleware helpers (auth, error handling, request parsing)
• Database connectors (TypeORM, Redis)
• Solana transaction utilities
• Common type definitions and constants

Installation

npm install @ts-apis/ts-utils

Usage

import { appMiddleware, handleError, parseInstruction } from '@ts-apis/ts-utils';

// Initialize middleware
await appMiddleware.initialize();

// Use in Express routes
app.use('/api', ...appMiddleware.getRequiredMiddleware(), router);

API Reference

Middleware

• appMiddleware — Singleton middleware manager
• addSecretsToMiddleware(mw) — Attach secrets to request context
• handleError(res, error) — Standardized error response handler
• getMiddleware(req) — Extract middleware from request

Database

• getAwsSecrets(env) — Fetch secrets from AWS Secrets Manager
• getDb(secrets) — Create TypeORM DataSource from secrets
• createRedisClient(secrets) — Create Redis client from secrets

Constants

• ENV — Current environment
• REDIS_PREFIX — Cache key prefix
• USDC_DECIMALS, TOKEN_2022_PROGRAM_ID, MEMO_PROGRAM_ID

License

MIT