TypeScript/tests/baselines/reference/overloadResolutionTest1.types
Wesley Wigham 78a99241d8
Reuse input type nodes when serializing signature parameter and return types (#37444)
* Accept change

* Accept the huge set of ever so slightly changed baselines

* Update return type logic to only reuse nodes if original nodes share scope with current node, like property types, only reuse nodes if symbols referened are acessible, reuse nodes for property signatures, too

* Only reuse nodes when a context is provided (otherwise identifier printback may fail)

* Only track symbol if symbol is found and no error is recorded

* Fix type parameter reuse lookup

* Forbid cjs module.exports references in retained nodes

* Adjust check for cjs export references to not include bad module type in output

* Add symbol to all identifiers we see in existing nodes for quickinfo

* Accept fourslash baseline updates

* Accept slightly updated baseline post-merge

* Do not copy original nodes for error types, replace empty type references with any
2020-04-01 19:50:21 -07:00

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=== tests/cases/compiler/overloadResolutionTest1.ts ===
function foo(bar:{a:number;}[]):string;
>foo : { (bar: { a: number;}[]): string; (bar: { a: boolean; }[]): number; }
>bar : { a: number; }[]
>a : number
function foo(bar:{a:boolean;}[]):number;
>foo : { (bar: { a: number; }[]): string; (bar: { a: boolean;}[]): number; }
>bar : { a: boolean; }[]
>a : boolean
function foo(bar:{a:any;}[]):any{ return bar };
>foo : { (bar: { a: number; }[]): string; (bar: { a: boolean; }[]): number; }
>bar : { a: any; }[]
>a : any
>bar : { a: any; }[]
var x1 = foo([{a:true}]); // works
>x1 : number
>foo([{a:true}]) : number
>foo : { (bar: { a: number; }[]): string; (bar: { a: boolean; }[]): number; }
>[{a:true}] : { a: true; }[]
>{a:true} : { a: true; }
>a : true
>true : true
var x11 = foo([{a:0}]); // works
>x11 : string
>foo([{a:0}]) : string
>foo : { (bar: { a: number; }[]): string; (bar: { a: boolean; }[]): number; }
>[{a:0}] : { a: number; }[]
>{a:0} : { a: number; }
>a : number
>0 : 0
var x111 = foo([{a:"s"}]); // error - does not match any signature
>x111 : never
>foo([{a:"s"}]) : never
>foo : { (bar: { a: number; }[]): string; (bar: { a: boolean; }[]): number; }
>[{a:"s"}] : { a: string; }[]
>{a:"s"} : { a: string; }
>a : string
>"s" : "s"
var x1111 = foo([{a:null}]); // works - ambiguous call is resolved to be the first in the overload set so this returns a string
>x1111 : string
>foo([{a:null}]) : string
>foo : { (bar: { a: number; }[]): string; (bar: { a: boolean; }[]): number; }
>[{a:null}] : { a: null; }[]
>{a:null} : { a: null; }
>a : null
>null : null
function foo2(bar:{a:number;}):string;
>foo2 : { (bar: { a: number;}): string; (bar: { a: boolean; }): number; }
>bar : { a: number; }
>a : number
function foo2(bar:{a:boolean;}):number;
>foo2 : { (bar: { a: number; }): string; (bar: { a: boolean;}): number; }
>bar : { a: boolean; }
>a : boolean
function foo2(bar:{a:any;}):any{ return bar };
>foo2 : { (bar: { a: number; }): string; (bar: { a: boolean; }): number; }
>bar : { a: any; }
>a : any
>bar : { a: any; }
var x2 = foo2({a:0}); // works
>x2 : string
>foo2({a:0}) : string
>foo2 : { (bar: { a: number; }): string; (bar: { a: boolean; }): number; }
>{a:0} : { a: number; }
>a : number
>0 : 0
var x3 = foo2({a:true}); // works
>x3 : number
>foo2({a:true}) : number
>foo2 : { (bar: { a: number; }): string; (bar: { a: boolean; }): number; }
>{a:true} : { a: true; }
>a : true
>true : true
var x4 = foo2({a:"s"}); // error
>x4 : never
>foo2({a:"s"}) : never
>foo2 : { (bar: { a: number; }): string; (bar: { a: boolean; }): number; }
>{a:"s"} : { a: string; }
>a : string
>"s" : "s"
function foo4(bar:{a:number;}):number;
>foo4 : { (bar: { a: number;}): number; (bar: { a: string; }): string; }
>bar : { a: number; }
>a : number
function foo4(bar:{a:string;}):string;
>foo4 : { (bar: { a: number; }): number; (bar: { a: string;}): string; }
>bar : { a: string; }
>a : string
function foo4(bar:{a:any;}):any{ return bar };
>foo4 : { (bar: { a: number; }): number; (bar: { a: string; }): string; }
>bar : { a: any; }
>a : any
>bar : { a: any; }
var x = foo4({a:true}); // error
>x : never
>foo4({a:true}) : never
>foo4 : { (bar: { a: number; }): number; (bar: { a: string; }): string; }
>{a:true} : { a: boolean; }
>a : boolean
>true : true