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=== tests/cases/conformance/types/thisType/thisTypeInFunctions2.ts ===
interface IndexedWithThis {
>IndexedWithThis : IndexedWithThis
// this is a workaround for React
init?: (this: this) => void;
>init : (this: this) => void
>this : this
willDestroy?: (this: any) => void;
>willDestroy : (this: any) => void
>this : any
[propName: string]: number | string | boolean | symbol | undefined | null | {} | ((this: any, ...args:any[]) => any);
>propName : string
>null : null
>this : any
>args : any[]
}
interface IndexedWithoutThis {
>IndexedWithoutThis : IndexedWithoutThis
// this is what React would like to write (and what they write today)
init?: () => void;
>init : () => void
willDestroy?: () => void;
>willDestroy : () => void
[propName: string]: any;
>propName : string
}
interface SimpleInterface {
>SimpleInterface : SimpleInterface
foo(n: string);
>foo : (n: string) => any
>n : string
bar(): number;
>bar : () => number
}
declare function extend1(args: IndexedWithThis): void;
>extend1 : (args: IndexedWithThis) => void
>args : IndexedWithThis
>IndexedWithThis : IndexedWithThis
declare function extend2(args: IndexedWithoutThis): void;
>extend2 : (args: IndexedWithoutThis) => void
>args : IndexedWithoutThis
>IndexedWithoutThis : IndexedWithoutThis
declare function simple(arg: SimpleInterface): void;
>simple : (arg: SimpleInterface) => void
>arg : SimpleInterface
>SimpleInterface : SimpleInterface
extend1({
>extend1({ init() { this // this: IndexedWithThis because of contextual typing. // this.mine this.willDestroy }, mine: 12, foo() { this.url; // this: any because 'foo' matches the string indexer this.willDestroy; }}) : void
>extend1 : (args: IndexedWithThis) => void
>{ init() { this // this: IndexedWithThis because of contextual typing. // this.mine this.willDestroy }, mine: 12, foo() { this.url; // this: any because 'foo' matches the string indexer this.willDestroy; }} : { init(this: IndexedWithThis): void; mine: 12; foo(this: any): void; }
init() {
>init : (this: IndexedWithThis) => void
this // this: IndexedWithThis because of contextual typing.
>this : IndexedWithThis
// this.mine
this.willDestroy
>this.willDestroy : (this: any) => void
>this : IndexedWithThis
>willDestroy : (this: any) => void
},
mine: 12,
>mine : number
>12 : 12
foo() {
>foo : (this: any) => void
this.url; // this: any because 'foo' matches the string indexer
>this.url : any
>this : any
>url : any
this.willDestroy;
>this.willDestroy : any
>this : any
>willDestroy : any
}
});
extend2({
>extend2({ init() { this // this: any because the contextual signature of init doesn't specify this' type this.mine this.willDestroy }, mine: 13, foo() { this // this: any because of the string indexer this.mine this.willDestroy }}) : void
>extend2 : (args: IndexedWithoutThis) => void
>{ init() { this // this: any because the contextual signature of init doesn't specify this' type this.mine this.willDestroy }, mine: 13, foo() { this // this: any because of the string indexer this.mine this.willDestroy }} : { init(): void; mine: number; foo(): void; }
init() {
>init : () => void
this // this: any because the contextual signature of init doesn't specify this' type
>this : any
this.mine
>this.mine : any
>this : any
>mine : any
this.willDestroy
>this.willDestroy : any
>this : any
>willDestroy : any
},
mine: 13,
>mine : number
>13 : 13
foo() {
>foo : () => void
this // this: any because of the string indexer
>this : any
this.mine
>this.mine : any
>this : any
>mine : any
this.willDestroy
>this.willDestroy : any
>this : any
>willDestroy : any
}
});
simple({
>simple({ foo(n) { return n.length + this.bar(); }, bar() { return 14; }}) : void
>simple : (arg: SimpleInterface) => void
>{ foo(n) { return n.length + this.bar(); }, bar() { return 14; }} : { foo(n: string): any; bar(): number; }
foo(n) {
>foo : (n: string) => any
>n : string
return n.length + this.bar();
>n.length + this.bar() : any
>n.length : number
>n : string
>length : number
>this.bar() : any
>this.bar : any
>this : any
>bar : any
},
bar() {
>bar : () => number
return 14;
>14 : 14
}
})
|
