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SKILL.md
npx skills add vinvcn/mattpocock-skills-zh-cn --skill migrate-to-shoehorn
将测试文件从 `as` 类型断言迁移到 @total-typescript/shoehorn。适用于用户提到 shoehorn、想替换测试中的 `as`，或需要局部测试数据时。
npx skills add vinvcn/mattpocock-skills-zh-cn --skill migrate-to-shoehorn
shoehorn 允许你在 tests 中传入 partial data，同时保持 TypeScript 满意。它用 type-safe alternatives 替换 as assertions。
只用于 test code。 永远不要在 production code 中使用 shoehorn。
Tests 中 as 的问题：
as unknown as Type）Before:
After:
as Type → fromPartial()Before:
After:
as unknown as Type → fromAny()Before:
After:
| Function | Use case |
|---|---|
fromPartial() | 传入仍能 type-check 的 partial data |
fromAny() | 传入故意错误的数据（保留 autocomplete） |
fromExact() | 强制 full object（之后可换成 fromPartial） |
Gather requirements — 询问用户：
as assertions 造成问题？Install and migrate：
npm i @total-typescript/shoehornas assertions: grep -r " as [A-Z]" --include="*.test.ts" --include="*.spec.ts"fromPartial() 替换 as TypefromAny() 替换 as unknown as Type@total-typescript/shoehorn 的 importsimport { fromPartial } from "@total-typescript/shoehorn";
it("gets user by id", () => {
getUser(
fromPartial({
body: { id: "123" },
}),
);
});getUser({ body: { id: "123" } } as Request);import { fromPartial } from "@total-typescript/shoehorn";
getUser(fromPartial({ body: { id: "123" } }));getUser({ body: { id: 123 } } as unknown as Request); // wrong type on purposeimport { fromAny } from "@total-typescript/shoehorn";
getUser(fromAny({ body: { id: 123 } }));