1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
|
//// [inKeywordAndIntersection.ts]
class A { a = 0 }
class B { b = 0 }
function f10(obj: A & { x: string } | B) {
if (obj instanceof Object) {
obj; // A & { x: string } | B
}
else {
obj; // Error
}
}
// Repro from #50844
interface InstanceOne {
one(): void
}
interface InstanceTwo {
two(): void
}
const instance = {} as InstanceOne | InstanceTwo
const ClassOne = {} as { new(): InstanceOne } & { foo: true };
if (instance instanceof ClassOne) {
instance.one();
}
//// [inKeywordAndIntersection.js]
"use strict";
var A = /** @class */ (function () {
function A() {
this.a = 0;
}
return A;
}());
var B = /** @class */ (function () {
function B() {
this.b = 0;
}
return B;
}());
function f10(obj) {
if (obj instanceof Object) {
obj; // A & { x: string } | B
}
else {
obj; // Error
}
}
var instance = {};
var ClassOne = {};
if (instance instanceof ClassOne) {
instance.one();
}
|