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// @strict: true
// Repro from #50531
function f(x: {}, y: unknown) {
if (!("a" in x)) {
return;
}
x; // {}
if (!y) {
return;
}
y; // {}
if (!("a" in y)) {
return;
}
y; // {}
}
// Repro from #51007
function isHTMLTable(table: unknown): boolean {
return !!table && table instanceof Object && 'html' in table;
}
function f1(x: unknown) {
return x && x instanceof Object && 'a' in x;
}
function f2<T>(x: T) {
return x && x instanceof Object && 'a' in x;
}
function f3(x: {}) {
return x instanceof Object && 'a' in x;
}
function f4<T extends {}>(x: T) {
return x instanceof Object && 'a' in x;
}
function f5<T>(x: T & {}) {
return x instanceof Object && 'a' in x;
}
function f6<T extends {}>(x: T & {}) {
return x instanceof Object && 'a' in x;
}
function f7<T extends object>(x: T & {}) {
return x instanceof Object && 'a' in x;
}
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