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Widen reverse mapped type properties to fix them being treated as EPC-valid sources #62722
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181 changes: 181 additions & 0 deletions
181
tests/baselines/reference/reverseMappedTypeInferenceWidening1.symbols
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,181 @@ | ||
| //// [tests/cases/compiler/reverseMappedTypeInferenceWidening1.ts] //// | ||
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| === reverseMappedTypeInferenceWidening1.ts === | ||
| // https://github.com/microsoft/TypeScript/issues/62720 | ||
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| type TypeFunction<ReturnType = unknown> = (...args: any[]) => ReturnType; | ||
| >TypeFunction : Symbol(TypeFunction, Decl(reverseMappedTypeInferenceWidening1.ts, 0, 0)) | ||
| >ReturnType : Symbol(ReturnType, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 18)) | ||
| >args : Symbol(args, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 43)) | ||
| >ReturnType : Symbol(ReturnType, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 18)) | ||
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| type Flags = { | ||
| >Flags : Symbol(Flags, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 73)) | ||
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| [flagName: string]: { | ||
| >flagName : Symbol(flagName, Decl(reverseMappedTypeInferenceWidening1.ts, 4, 3)) | ||
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| type: TypeFunction; | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 4, 23)) | ||
| >TypeFunction : Symbol(TypeFunction, Decl(reverseMappedTypeInferenceWidening1.ts, 0, 0)) | ||
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| default?: unknown; | ||
| >default : Symbol(default, Decl(reverseMappedTypeInferenceWidening1.ts, 5, 23)) | ||
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| }; | ||
| }; | ||
| type TypeFlag<Schemas extends Flags> = { | ||
| >TypeFlag : Symbol(TypeFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 8, 2)) | ||
| >Schemas : Symbol(Schemas, Decl(reverseMappedTypeInferenceWidening1.ts, 9, 14)) | ||
| >Flags : Symbol(Flags, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 73)) | ||
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| [flag in keyof Schemas]: Schemas[flag] extends { type: TypeFunction<infer T> } | ||
| >flag : Symbol(flag, Decl(reverseMappedTypeInferenceWidening1.ts, 10, 3)) | ||
| >Schemas : Symbol(Schemas, Decl(reverseMappedTypeInferenceWidening1.ts, 9, 14)) | ||
| >Schemas : Symbol(Schemas, Decl(reverseMappedTypeInferenceWidening1.ts, 9, 14)) | ||
| >flag : Symbol(flag, Decl(reverseMappedTypeInferenceWidening1.ts, 10, 3)) | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 10, 50)) | ||
| >TypeFunction : Symbol(TypeFunction, Decl(reverseMappedTypeInferenceWidening1.ts, 0, 0)) | ||
| >T : Symbol(T, Decl(reverseMappedTypeInferenceWidening1.ts, 10, 75)) | ||
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| ? T | ||
| >T : Symbol(T, Decl(reverseMappedTypeInferenceWidening1.ts, 10, 75)) | ||
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| : never; | ||
| }; | ||
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| declare function fn1<Options extends Flags>( | ||
| >fn1 : Symbol(fn1, Decl(reverseMappedTypeInferenceWidening1.ts, 13, 2)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 15, 21)) | ||
| >Flags : Symbol(Flags, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 73)) | ||
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| options: Options, | ||
| >options : Symbol(options, Decl(reverseMappedTypeInferenceWidening1.ts, 15, 44)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 15, 21)) | ||
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| ): TypeFlag<Options>; | ||
| >TypeFlag : Symbol(TypeFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 8, 2)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 15, 21)) | ||
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| const result1 = fn1({ | ||
| >result1 : Symbol(result1, Decl(reverseMappedTypeInferenceWidening1.ts, 19, 5)) | ||
| >fn1 : Symbol(fn1, Decl(reverseMappedTypeInferenceWidening1.ts, 13, 2)) | ||
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| booleanFlag: { type: Boolean }, | ||
| >booleanFlag : Symbol(booleanFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 19, 21)) | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 20, 16)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| booleanFlagDefault: { | ||
| >booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 20, 33)) | ||
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| type: Boolean, | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 21, 23)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| default: false, | ||
| >default : Symbol(default, Decl(reverseMappedTypeInferenceWidening1.ts, 22, 18)) | ||
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| }, | ||
| }); | ||
| result1.booleanFlag; // boolean | ||
| >result1.booleanFlag : Symbol(booleanFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 19, 21)) | ||
| >result1 : Symbol(result1, Decl(reverseMappedTypeInferenceWidening1.ts, 19, 5)) | ||
| >booleanFlag : Symbol(booleanFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 19, 21)) | ||
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| result1.booleanFlagDefault; // boolean | ||
| >result1.booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 20, 33)) | ||
| >result1 : Symbol(result1, Decl(reverseMappedTypeInferenceWidening1.ts, 19, 5)) | ||
| >booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 20, 33)) | ||
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| declare function fn2<Options extends Flags>( | ||
| >fn2 : Symbol(fn2, Decl(reverseMappedTypeInferenceWidening1.ts, 27, 27)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 29, 21)) | ||
| >Flags : Symbol(Flags, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 73)) | ||
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| options: Readonly<Options>, | ||
| >options : Symbol(options, Decl(reverseMappedTypeInferenceWidening1.ts, 29, 44)) | ||
| >Readonly : Symbol(Readonly, Decl(lib.es5.d.ts, --, --)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 29, 21)) | ||
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| ): TypeFlag<Options>; | ||
| >TypeFlag : Symbol(TypeFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 8, 2)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 29, 21)) | ||
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| const result2 = fn2({ | ||
| >result2 : Symbol(result2, Decl(reverseMappedTypeInferenceWidening1.ts, 33, 5)) | ||
| >fn2 : Symbol(fn2, Decl(reverseMappedTypeInferenceWidening1.ts, 27, 27)) | ||
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| booleanFlag: { type: Boolean }, | ||
| >booleanFlag : Symbol(booleanFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 33, 21)) | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 34, 16)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| booleanFlagDefault: { | ||
| >booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 34, 33)) | ||
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| type: Boolean, | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 35, 23)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| default: false, | ||
| >default : Symbol(default, Decl(reverseMappedTypeInferenceWidening1.ts, 36, 18)) | ||
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| }, | ||
| }); | ||
| result2.booleanFlag; // boolean | ||
| >result2.booleanFlag : Symbol(booleanFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 33, 21)) | ||
| >result2 : Symbol(result2, Decl(reverseMappedTypeInferenceWidening1.ts, 33, 5)) | ||
| >booleanFlag : Symbol(booleanFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 33, 21)) | ||
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| result2.booleanFlagDefault; // boolean | ||
| >result2.booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 34, 33)) | ||
| >result2 : Symbol(result2, Decl(reverseMappedTypeInferenceWidening1.ts, 33, 5)) | ||
| >booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 34, 33)) | ||
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| declare function fn3<Options extends Flags>( | ||
| >fn3 : Symbol(fn3, Decl(reverseMappedTypeInferenceWidening1.ts, 41, 27)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 43, 21)) | ||
| >Flags : Symbol(Flags, Decl(reverseMappedTypeInferenceWidening1.ts, 2, 73)) | ||
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| options: Readonly<Options>, | ||
| >options : Symbol(options, Decl(reverseMappedTypeInferenceWidening1.ts, 43, 44)) | ||
| >Readonly : Symbol(Readonly, Decl(lib.es5.d.ts, --, --)) | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 43, 21)) | ||
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| ): Options; | ||
| >Options : Symbol(Options, Decl(reverseMappedTypeInferenceWidening1.ts, 43, 21)) | ||
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| const result3 = fn3({ | ||
| >result3 : Symbol(result3, Decl(reverseMappedTypeInferenceWidening1.ts, 47, 5)) | ||
| >fn3 : Symbol(fn3, Decl(reverseMappedTypeInferenceWidening1.ts, 41, 27)) | ||
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| booleanFlag: { type: Boolean }, | ||
| >booleanFlag : Symbol(booleanFlag, Decl(reverseMappedTypeInferenceWidening1.ts, 47, 21)) | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 48, 16)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| booleanFlagDefault: { | ||
| >booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 48, 33)) | ||
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| type: Boolean, | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 49, 23)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| default: false, // no cursed EPC failure here | ||
| >default : Symbol(default, Decl(reverseMappedTypeInferenceWidening1.ts, 50, 18)) | ||
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| }, | ||
| }); | ||
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| declare function takeType(arg: { type: unknown }): void; | ||
| >takeType : Symbol(takeType, Decl(reverseMappedTypeInferenceWidening1.ts, 53, 3)) | ||
| >arg : Symbol(arg, Decl(reverseMappedTypeInferenceWidening1.ts, 55, 26)) | ||
| >type : Symbol(type, Decl(reverseMappedTypeInferenceWidening1.ts, 55, 32)) | ||
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| takeType(result3.booleanFlagDefault); | ||
| >takeType : Symbol(takeType, Decl(reverseMappedTypeInferenceWidening1.ts, 53, 3)) | ||
| >result3.booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 48, 33)) | ||
| >result3 : Symbol(result3, Decl(reverseMappedTypeInferenceWidening1.ts, 47, 5)) | ||
| >booleanFlagDefault : Symbol(booleanFlagDefault, Decl(reverseMappedTypeInferenceWidening1.ts, 48, 33)) | ||
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|
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note for reviewers: this is what
getCovariantInferencealready does