name: reviewing-type-safety
description: >
TypeScript type safety patterns and best practices for maximum type coverage.
Use when reviewing TypeScript code for type issues, eliminating any types,
or when user mentions type safety, 型安全, 型カバレッジ, strict mode.
allowed-tools: [Read, Grep, Glob, Task]
agent: type-safety-reviewer
context: fork
user-invocable: false
Type Safety Review
Detection
| ID | Pattern | Fix |
|---|---|---|
| TS1 | any |
unknown + type guard |
| TS1 | Implicit any | Explicit type annotation |
| TS2 | value as Type |
Type guard function |
| TS2 | value! (non-null assertion) |
Explicit null check |
| TS3 | function fn(data) (untyped) |
function fn(data: Type) |
| TS3 | Missing return type | Explicit : ReturnType |
| TS4 | default: without exhaustive |
default: assertNever(value) |
Criteria
Type coverage >= 95%. Any usage = 0. Strict mode all enabled.
References
| Topic | File |
|---|---|
| Coverage | references/type-coverage.md |
| Guards | references/type-guards.md |
| Strict | references/strict-mode.md |
| Result | references/result-type.md |
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Skill Details
GitHub Stars
3
GitHub Forks
0
Created
Jan 2026
Last Updated
il y a 5 mois
tools
tools debugging
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