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|
=== tests/cases/conformance/controlFlow/controlFlowInstanceofExtendsFunction.ts ===
declare global {
>global : any
interface Function {
now(): string;
>now : () => string
}
}
Function.prototype.now = function () {
>Function.prototype.now = function () { return "now"} : () => string
>Function.prototype.now : () => string
>Function.prototype : Function
>Function : FunctionConstructor
>prototype : Function
>now : () => string
>function () { return "now"} : () => string
return "now"
>"now" : "now"
}
class X {
>X : X
static now() {
>now : () => {}
return {}
>{} : {}
}
why() {
>why : () => void
}
}
class Y {
>Y : Y
}
console.log(X.now()) // works as expected
>console.log(X.now()) : void
>console.log : (message?: any, ...optionalParams: any[]) => void
>console : Console
>log : (message?: any, ...optionalParams: any[]) => void
>X.now() : {}
>X.now : () => {}
>X : typeof X
>now : () => {}
console.log(Y.now()) // works as expected
>console.log(Y.now()) : void
>console.log : (message?: any, ...optionalParams: any[]) => void
>console : Console
>log : (message?: any, ...optionalParams: any[]) => void
>Y.now() : string
>Y.now : () => string
>Y : typeof Y
>now : () => string
export const x: X | number = Math.random() > 0.5 ? new X() : 1
>x : number | X
>Math.random() > 0.5 ? new X() : 1 : X | 1
>Math.random() > 0.5 : boolean
>Math.random() : number
>Math.random : () => number
>Math : Math
>random : () => number
>0.5 : 0.5
>new X() : X
>X : typeof X
>1 : 1
if (x instanceof X) {
>x instanceof X : boolean
>x : number | X
>X : typeof X
x.why() // should compile
>x.why() : void
>x.why : () => void
>x : X
>why : () => void
}
|
