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=== tests/cases/compiler/partialTypeNarrowedToByTypeGuard.ts ===
type Obj = {} | undefined;
>Obj : Symbol(Obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 0, 0))
type User = {
>User : Symbol(User, Decl(partialTypeNarrowedToByTypeGuard.ts, 0, 26))
email: string;
>email : Symbol(email, Decl(partialTypeNarrowedToByTypeGuard.ts, 2, 13))
name: string;
>name : Symbol(name, Decl(partialTypeNarrowedToByTypeGuard.ts, 3, 18))
};
type PartialUser = Partial<User>;
>PartialUser : Symbol(PartialUser, Decl(partialTypeNarrowedToByTypeGuard.ts, 5, 2))
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>User : Symbol(User, Decl(partialTypeNarrowedToByTypeGuard.ts, 0, 26))
// type PartialUser = {
// email?: string;
// name?: string;
// };
function isUser(obj: Obj): obj is PartialUser {
>isUser : Symbol(isUser, Decl(partialTypeNarrowedToByTypeGuard.ts, 7, 33))
>obj : Symbol(obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 14, 16))
>Obj : Symbol(Obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 0, 0))
>obj : Symbol(obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 14, 16))
>PartialUser : Symbol(PartialUser, Decl(partialTypeNarrowedToByTypeGuard.ts, 5, 2))
return true;
}
function getUserName(obj: Obj) {
>getUserName : Symbol(getUserName, Decl(partialTypeNarrowedToByTypeGuard.ts, 16, 1))
>obj : Symbol(obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 18, 21))
>Obj : Symbol(Obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 0, 0))
if (isUser(obj)) {
>isUser : Symbol(isUser, Decl(partialTypeNarrowedToByTypeGuard.ts, 7, 33))
>obj : Symbol(obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 18, 21))
return obj.name;
>obj.name : Symbol(name, Decl(partialTypeNarrowedToByTypeGuard.ts, 3, 18))
>obj : Symbol(obj, Decl(partialTypeNarrowedToByTypeGuard.ts, 18, 21))
>name : Symbol(name, Decl(partialTypeNarrowedToByTypeGuard.ts, 3, 18))
}
return '';
}
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