* Consolidated extra property check with intersections * Fix comment * Add tests * Properly propagate intersectionState * Route property check through recursive type tracking logic * Accept new baselines * Skip check when apparent type of source is never * Accept new baselines * Only check when apparent type of source is a structured type
21 lines
563 B
TypeScript
21 lines
563 B
TypeScript
// @strict: true
|
|
|
|
let obj: { a: { x: string } } & { c: number } = { a: { x: 'hello', y: 2 }, c: 5 }; // Nested excess property
|
|
|
|
declare let wrong: { a: { y: string } };
|
|
let weak: { a?: { x?: number } } & { c?: string } = wrong; // Nested weak object type
|
|
|
|
function foo<T extends object>(x: { a?: string }, y: T & { a: boolean }) {
|
|
x = y; // Mismatched property in source intersection
|
|
}
|
|
|
|
// Repro from #36637
|
|
|
|
interface Test {
|
|
readonly hi?: string[]
|
|
}
|
|
|
|
function test<T extends object>(value: T): Test {
|
|
return { ...value, hi: true }
|
|
}
|