modern-js-ts-idioms

Teaches modern JavaScript (ES2020+) and TypeScript coding practices — modeling domains with types, narrowing unknown data, deliberate async handling, immutable updates, and small pure helpers — for writing, reviewing, or refactoring .js, .ts, .jsx, or .tsx files in Node, Deno, or Bun projects. Triggers when the user asks about TypeScript typing, promises, async patterns, error-handling design, or modernizing legacy JS; does not apply to Python, Java, Rust, or other languages.

Version

v0.1.1

Size

11 KB

Updated

2026-09-26

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