TypeScript/tests/baselines/reference/collisionThisExpressionAndNameResolution.types at cbb36c42c1f8fb84cc20f2b365bce95255ea6549 · bloomberg/TypeScript · GitHub

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//// [tests/cases/compiler/collisionThisExpressionAndNameResolution.ts] ////

=== collisionThisExpressionAndNameResolution.ts ===
var console : {
>console : { log(message: any): any; }
>        : ^^^^^^       ^^   ^^^^^^^^^

    log(message: any);
>log : (message: any) => any
>    : ^       ^^   ^^^^^^^^
>message : any
}
class Foo {
>Foo : Foo
>    : ^^^

    x() {
>x : () => void
>  : ^^^^^^^^^^

        var _this = 10; // Local var. No this capture in x(), so no conflict.
>_this : number
>      : ^^^^^^
>10 : 10
>   : ^^

        function inner() {
>inner : () => (x: any) => any
>      : ^^^^^^^   ^^^^^^^^^^^

            console.log(_this); // Error as this doesnt not resolve to user defined _this
>console.log(_this) : any
>console.log : (message: any) => any
>            : ^       ^^   ^^^^^^^^
>console : { log(message: any): any; }
>        : ^^^^^^       ^^   ^^^^^^^^^
>log : (message: any) => any
>    : ^       ^^   ^^^^^^^^
>_this : number
>      : ^^^^^^

            return x => this;   // New scope.  So should inject new _this capture into function inner
>x => this : (x: any) => any
>          : ^ ^^^^^^^^^^^^^
>x : any
>this : any
        }
    }
}