· hands on
From REST APIs to MCP: The Future of AI Integration
REST APIs changed how applications talk to each other. Now MCP (Model Context Protocol) is changing how AI talks to your data. Learn why this matters for TypeScript developers.
Tag: typescript
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Bring Immutability and Context to Arrays
Const assertions provide immutability but lack semantic meaning. Learn how TypeScript's named tuples and readonly arrays combine to give you both type safety and self-documenting code.
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__dirname is not defined in ES module scope
Getting the __dirname is not defined error in your ES modules? Node.js now provides import.meta.dirname and import.meta.filename as native replacements, no workarounds needed.
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You Don't Need dotenv Anymore
Node.js now has built-in support for loading environment variables from .env files. Learn how to use the native loadEnvFile function and ditch the dotenv dependency for good.
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Why TypeScript Enums Are Dead
Node.js v22.6.0 introduced type-stripping support that lets you run TypeScript files directly, but it breaks traditional enums. Learn why as const objects are the modern, future-proof alternative that works seamlessly with Node's new capabilities.