---

name: naming-typescript description: >- Applies TypeScript naming conventions for variables, functions, classes, types, and files. Use when writing new code or reviewing naming patterns. Triggers: "命名规范", "怎么命名", "变量名", "naming convention".

TypeScript 命名规范

速查表

布尔变量前缀

常量判断

Copy// UPPER_SNAKE: 编译时确定、不可变
const MAX_RETRY = 3
const API_URL = 'https://api.example.com'

// camelCase: 运行时计算
const currentUser = fetchUser()

常用缩写

避免：单字母变量（除 i/j/k 和 T/K/V）