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=== tests/cases/compiler/inKeywordAndUnknown.ts ===
// Repro from #50531
function f(x: {}, y: unknown) {
>f : (x: {}, y: unknown) => void
>x : {}
>y : unknown
if (!("a" in x)) {
>!("a" in x) : boolean
>("a" in x) : boolean
>"a" in x : boolean
>"a" : "a"
>x : {}
return;
}
x; // {}
>x : Record<"a", unknown>
if (!y) {
>!y : boolean
>y : unknown
return;
}
y; // {}
>y : {}
if (!("a" in y)) {
>!("a" in y) : boolean
>("a" in y) : boolean
>"a" in y : boolean
>"a" : "a"
>y : {}
return;
}
y; // {}
>y : Record<"a", unknown>
}
// Repro from #51007
function isHTMLTable(table: unknown): boolean {
>isHTMLTable : (table: unknown) => boolean
>table : unknown
return !!table && table instanceof Object && 'html' in table;
>!!table && table instanceof Object && 'html' in table : boolean
>!!table && table instanceof Object : boolean
>!!table : boolean
>!table : boolean
>table : unknown
>table instanceof Object : boolean
>table : {}
>Object : ObjectConstructor
>'html' in table : boolean
>'html' : "html"
>table : Object
}
function f1(x: unknown) {
>f1 : (x: unknown) => unknown
>x : unknown
return x && x instanceof Object && 'a' in x;
>x && x instanceof Object && 'a' in x : unknown
>x && x instanceof Object : unknown
>x : unknown
>x instanceof Object : boolean
>x : {}
>Object : ObjectConstructor
>'a' in x : boolean
>'a' : "a"
>x : Object
}
function f2<T>(x: T) {
>f2 : <T>(x: T) => boolean
>x : T
return x && x instanceof Object && 'a' in x;
>x && x instanceof Object && 'a' in x : boolean
>x && x instanceof Object : boolean
>x : T
>x instanceof Object : boolean
>x : NonNullable<T>
>Object : ObjectConstructor
>'a' in x : boolean
>'a' : "a"
>x : T & Object
}
function f3(x: {}) {
>f3 : (x: {}) => boolean
>x : {}
return x instanceof Object && 'a' in x;
>x instanceof Object && 'a' in x : boolean
>x instanceof Object : boolean
>x : {}
>Object : ObjectConstructor
>'a' in x : boolean
>'a' : "a"
>x : Object
}
function f4<T extends {}>(x: T) {
>f4 : <T extends {}>(x: T) => boolean
>x : T
return x instanceof Object && 'a' in x;
>x instanceof Object && 'a' in x : boolean
>x instanceof Object : boolean
>x : T
>Object : ObjectConstructor
>'a' in x : boolean
>'a' : "a"
>x : T & Object
}
function f5<T>(x: T & {}) {
>f5 : <T>(x: T & {}) => boolean
>x : T & {}
return x instanceof Object && 'a' in x;
>x instanceof Object && 'a' in x : boolean
>x instanceof Object : boolean
>x : T & {}
>Object : ObjectConstructor
>'a' in x : boolean
>'a' : "a"
>x : T & Object
}
function f6<T extends {}>(x: T & {}) {
>f6 : <T extends {}>(x: T & {}) => boolean
>x : T & {}
return x instanceof Object && 'a' in x;
>x instanceof Object && 'a' in x : boolean
>x instanceof Object : boolean
>x : T & {}
>Object : ObjectConstructor
>'a' in x : boolean
>'a' : "a"
>x : T & Object
}
function f7<T extends object>(x: T & {}) {
>f7 : <T extends object>(x: T & {}) => boolean
>x : T & {}
return x instanceof Object && 'a' in x;
>x instanceof Object && 'a' in x : boolean
>x instanceof Object : boolean
>x : T & {}
>Object : ObjectConstructor
>'a' in x : boolean
>'a' : "a"
>x : T & {}
}
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