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tests/cases/compiler/genericMappedTypeAsClause.ts(11,36): error TS2322: Type 'string' is not assignable to type 'number'.
tests/cases/compiler/genericMappedTypeAsClause.ts(14,11): error TS2322: Type 'number' is not assignable to type 'MappedModel<T>'.
tests/cases/compiler/genericMappedTypeAsClause.ts(15,11): error TS2322: Type 'string' is not assignable to type 'MappedModel<T>'.
tests/cases/compiler/genericMappedTypeAsClause.ts(16,11): error TS2322: Type 'number[]' is not assignable to type 'MappedModel<T>'.
tests/cases/compiler/genericMappedTypeAsClause.ts(17,11): error TS2322: Type 'boolean' is not assignable to type 'MappedModel<T>'.
tests/cases/compiler/genericMappedTypeAsClause.ts(18,34): error TS2322: Type '{ a: string; b: number; }' is not assignable to type 'MappedModel<T>'.
Object literal may only specify known properties, and 'a' does not exist in type 'MappedModel<T>'.
tests/cases/compiler/genericMappedTypeAsClause.ts(19,11): error TS2322: Type 'undefined' is not assignable to type 'MappedModel<T>'.
==== tests/cases/compiler/genericMappedTypeAsClause.ts (7 errors) ====
type Model = {
a: string;
b: number;
};
type MappedModel<Suffix extends string> = {
[K in keyof Model as `${K}${Suffix}`]: Model[K];
};
const foo1: MappedModel<'Foo'> = { aFoo: 'test', bFoo: 42 };
const foo2: MappedModel<'Foo'> = { bFoo: 'bar' }; // Error
~~~~
!!! error TS2322: Type 'string' is not assignable to type 'number'.
!!! related TS6500 tests/cases/compiler/genericMappedTypeAsClause.ts:6:43: The expected type comes from property 'bFoo' which is declared here on type 'MappedModel<"Foo">'
function f1<T extends string>() {
const x1: MappedModel<T> = 42; // Error
~~
!!! error TS2322: Type 'number' is not assignable to type 'MappedModel<T>'.
const x2: MappedModel<T> = 'test'; // Error
~~
!!! error TS2322: Type 'string' is not assignable to type 'MappedModel<T>'.
const x3: MappedModel<T> = [1, 2, 3]; // Error
~~
!!! error TS2322: Type 'number[]' is not assignable to type 'MappedModel<T>'.
const x4: MappedModel<T> = false; // Error
~~
!!! error TS2322: Type 'boolean' is not assignable to type 'MappedModel<T>'.
const x5: MappedModel<T> = { a: 'bar', b: 42 }; // Error
~~~~~~~~
!!! error TS2322: Type '{ a: string; b: number; }' is not assignable to type 'MappedModel<T>'.
!!! error TS2322: Object literal may only specify known properties, and 'a' does not exist in type 'MappedModel<T>'.
const x6: MappedModel<T> = undefined; // Error
~~
!!! error TS2322: Type 'undefined' is not assignable to type 'MappedModel<T>'.
}
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