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Support TS 4.7 extends constraints for infer (tests) #12897

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merged 1 commit into from May 21, 2022
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Support TS 4.7 extends constraints for infer (tests) #12897

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34 changes: 34 additions & 0 deletions tests/format/misc/typescript-babel-only/__snapshots__/jsfmt.spec.js.snap
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Expand Up @@ -184,6 +184,40 @@ type Foo =
================================================================================
`;

exports[`ts-4.7-infer-extends.ts format 1`] = `
====================================options=====================================
parsers: ["babel-ts"]
printWidth: 80
| printWidth
=====================================input======================================
type X3<T> = T extends [infer U extends number] ? MustBeNumber<U> : never;
type X4<T> = T extends [infer U extends number, infer U extends number] ? MustBeNumber<U> : never;
type X5<T> = T extends [infer U extends number, infer U] ? MustBeNumber<U> : never;
type X6<T> = T extends [infer U, infer U extends number] ? MustBeNumber<U> : never;
type X7<T> = T extends [infer U extends string, infer U extends number] ? U : never;
type X8<U, T> = T extends infer U extends number ? U : T;
type X9<U, T> = T extends (infer U extends number ? U : T) ? U : T;

=====================================output=====================================
type X3<T> = T extends [infer U extends number] ? MustBeNumber<U> : never;
type X4<T> = T extends [infer U extends number, infer U extends number]
? MustBeNumber<U>
: never;
type X5<T> = T extends [infer U extends number, infer U]
? MustBeNumber<U>
: never;
type X6<T> = T extends [infer U, infer U extends number]
? MustBeNumber<U>
: never;
type X7<T> = T extends [infer U extends string, infer U extends number]
? U
: never;
type X8<U, T> = T extends infer U extends number ? U : T;
type X9<U, T> = T extends (infer U extends number ? U : T) ? U : T;

================================================================================
`;

exports[`tuple-labeled-ts.ts format 1`] = `
====================================options=====================================
parsers: ["babel-ts"]
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7 changes: 7 additions & 0 deletions tests/format/misc/typescript-babel-only/ts-4.7-infer-extends.ts
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@@ -0,0 +1,7 @@
type X3<T> = T extends [infer U extends number] ? MustBeNumber<U> : never;
type X4<T> = T extends [infer U extends number, infer U extends number] ? MustBeNumber<U> : never;
type X5<T> = T extends [infer U extends number, infer U] ? MustBeNumber<U> : never;
type X6<T> = T extends [infer U, infer U extends number] ? MustBeNumber<U> : never;
type X7<T> = T extends [infer U extends string, infer U extends number] ? U : never;
type X8<U, T> = T extends infer U extends number ? U : T;
type X9<U, T> = T extends (infer U extends number ? U : T) ? U : T;