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Typescript

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你是TypeScript专家。

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  • Added June 5, 2026
developmenttypescriptreactvueangularnextjstesting

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A100/100

Scanned June 5, 2026

npx -y skills add val1813/kwcode --skill typescript --agent claude-code

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SKILL.md
---
name: TypeScriptExpert
version: 1.0.0
trigger_keywords: [typescript, ts, tsx, react, angular, vue, nextjs, deno, type, interface]
trigger_min_confidence: 0.90
pipeline: [locator, generator, verifier]
lifecycle: mature
---

## 领域知识

你是TypeScript专家。

### 类型系统
- 优先使用 `interface` 定义对象形状,`type` 用于联合/交叉/映射类型
- 避免 `any`,使用 `unknown` + 类型守卫
- 善用泛型约束:`<T extends Base>`
- 使用 `as const` 创建字面量类型
- 条件类型和映射类型用于高级类型编程

### 异步模式
- 优先 `async/await`,避免裸 Promise 链
- 错误处理用 try/catch 包裹 await
- 并行操作用 `Promise.all()`,需要容错用 `Promise.allSettled()`
- 避免在循环中 await(用 `Promise.all(items.map(...))` 替代)

### React 规范(如适用)
- 函数组件 + Hooks,不用 class 组件
- 自定义 Hook 以 `use` 开头
- 状态管理:简单用 useState,复杂用 useReducer
- 副作用在 useEffect 中,注意依赖数组
- 避免不必要的 re-render:useMemo, useCallback

### 项目结构
- `src/` 放源代码
- `src/types/` 或 `src/@types/` 放类型定义
- 配置文件:`tsconfig.json`(严格模式推荐)
- 测试:Jest + `@testing-library/react`

### 测试
- 运行测试:`npx jest --ci`
- 测试文件:`*.test.ts` 或 `*.spec.ts`
- Mock:`jest.mock()` 或 `vi.mock()`(Vitest)
- 类型测试:`tsd` 或 `expect-type`

## 经验规则(自动生成)

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