TypeScript/tests/baselines/reference/narrowedConstInMethod.types

56 lines
1.1 KiB
Plaintext

=== tests/cases/compiler/narrowedConstInMethod.ts ===
function f() {
>f : () => { bar(): number; } | undefined
const x: string | null = <any>{};
>x : string | null
>null : null
><any>{} : any
>{} : {}
if (x !== null) {
>x !== null : boolean
>x : string | null
>null : null
return {
>{ bar() { return x.length; } // Error: possibly null x } : { bar(): number; }
bar() { return x.length; } // Error: possibly null x
>bar : () => number
>x.length : number
>x : string
>length : number
};
}
}
function f2() {
>f2 : () => typeof (Anonymous class) | undefined
const x: string | null = <any>{};
>x : string | null
>null : null
><any>{} : any
>{} : {}
if (x !== null) {
>x !== null : boolean
>x : string | null
>null : null
return class {
>class { bar() { return x.length; } // Error: possibly null x } : typeof (Anonymous class)
bar() { return x.length; } // Error: possibly null x
>bar : () => number
>x.length : number
>x : string
>length : number
};
}
}