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Fix Array interface (#10886) #11294

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4 changes: 2 additions & 2 deletions src/lib/es2015.core.d.ts
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Expand Up @@ -10,7 +10,7 @@ interface Array<T> {
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
*/
find(predicate: (value: T, index: number, obj: Array<T>) => boolean, thisArg?: any): T | undefined;
find(predicate: (value: T, index: number, obj: this) => boolean, thisArg?: any): T | undefined;

/**
* Returns the index of the first element in the array where predicate is true, and -1
Expand All @@ -21,7 +21,7 @@ interface Array<T> {
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
*/
findIndex(predicate: (value: T, index: number, obj: Array<T>) => boolean, thisArg?: any): number;
findIndex(predicate: (value: T, index: number, obj: this) => boolean, thisArg?: any): number;

/**
* Returns the this object after filling the section identified by start and end with value
Expand Down
68 changes: 42 additions & 26 deletions src/lib/es5.d.ts
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12 changes: 6 additions & 6 deletions tests/baselines/reference/arrayConcat2.symbols
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Expand Up @@ -3,21 +3,21 @@ var a: string[] = [];
>a : Symbol(a, Decl(arrayConcat2.ts, 0, 3))

a.concat("hello", 'world');
>a.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>a.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>a : Symbol(a, Decl(arrayConcat2.ts, 0, 3))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))

a.concat('Hello');
>a.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>a.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>a : Symbol(a, Decl(arrayConcat2.ts, 0, 3))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))

var b = new Array<string>();
>b : Symbol(b, Decl(arrayConcat2.ts, 5, 3))
>Array : Symbol(Array, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))

b.concat('hello');
>b.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>b.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>b : Symbol(b, Decl(arrayConcat2.ts, 5, 3))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))

12 changes: 6 additions & 6 deletions tests/baselines/reference/arrayConcat2.types
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Expand Up @@ -5,17 +5,17 @@ var a: string[] = [];

a.concat("hello", 'world');
>a.concat("hello", 'world') : string[]
>a.concat : { (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>a.concat : { (): string[]; (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>a : string[]
>concat : { (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>concat : { (): string[]; (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>"hello" : "hello"
>'world' : "world"

a.concat('Hello');
>a.concat('Hello') : string[]
>a.concat : { (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>a.concat : { (): string[]; (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>a : string[]
>concat : { (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>concat : { (): string[]; (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>'Hello' : "Hello"

var b = new Array<string>();
Expand All @@ -25,8 +25,8 @@ var b = new Array<string>();

b.concat('hello');
>b.concat('hello') : string[]
>b.concat : { (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>b.concat : { (): string[]; (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>b : string[]
>concat : { (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>concat : { (): string[]; (...items: string[][]): string[]; (...items: (string | string[])[]): string[]; }
>'hello' : "hello"

4 changes: 2 additions & 2 deletions tests/baselines/reference/arrayConcatMap.symbols
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Expand Up @@ -2,8 +2,8 @@
var x = [].concat([{ a: 1 }], [{ a: 2 }])
>x : Symbol(x, Decl(arrayConcatMap.ts, 0, 3))
>[].concat([{ a: 1 }], [{ a: 2 }]) .map : Symbol(Array.map, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>[].concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>[].concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>a : Symbol(a, Decl(arrayConcatMap.ts, 0, 20))
>a : Symbol(a, Decl(arrayConcatMap.ts, 0, 32))

Expand Down
4 changes: 2 additions & 2 deletions tests/baselines/reference/arrayConcatMap.types
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Expand Up @@ -4,9 +4,9 @@ var x = [].concat([{ a: 1 }], [{ a: 2 }])
>[].concat([{ a: 1 }], [{ a: 2 }]) .map(b => b.a) : any[]
>[].concat([{ a: 1 }], [{ a: 2 }]) .map : { <U>(this: [any, any, any, any, any], callbackfn: (value: any, index: number, array: any[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [any, any, any, any], callbackfn: (value: any, index: number, array: any[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [any, any, any], callbackfn: (value: any, index: number, array: any[]) => U, thisArg?: any): [U, U, U]; <U>(this: [any, any], callbackfn: (value: any, index: number, array: any[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: any, index: number, array: any[]) => U, thisArg?: any): U[]; }
>[].concat([{ a: 1 }], [{ a: 2 }]) : any[]
>[].concat : { (...items: any[][]): any[]; (...items: any[]): any[]; }
>[].concat : { (): any[]; (...items: any[][]): any[]; (...items: any[]): any[]; }
>[] : undefined[]
>concat : { (...items: any[][]): any[]; (...items: any[]): any[]; }
>concat : { (): any[]; (...items: any[][]): any[]; (...items: any[]): any[]; }
>[{ a: 1 }] : { a: number; }[]
>{ a: 1 } : { a: number; }
>a : number
Expand Down
20 changes: 12 additions & 8 deletions tests/baselines/reference/arrayOfSubtypeIsAssignableToReadonlyArray.errors.txt
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@@ -1,14 +1,16 @@
tests/cases/compiler/arrayOfSubtypeIsAssignableToReadonlyArray.ts(13,1): error TS2322: Type 'A[]' is not assignable to type 'ReadonlyArray<B>'.
Types of property 'concat' are incompatible.
Type '{ (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
Type '{ (): A[]; (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ (): ReadonlyArray<B>; <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
Type 'A[]' is not assignable to type 'B[]'.
Type 'A' is not assignable to type 'B'.
Property 'b' is missing in type 'A'.
tests/cases/compiler/arrayOfSubtypeIsAssignableToReadonlyArray.ts(18,1): error TS2322: Type 'C<A>' is not assignable to type 'ReadonlyArray<B>'.
Types of property 'concat' are incompatible.
Type '{ (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
Type 'A[]' is not assignable to type 'B[]'.
Type 'A' is not assignable to type 'B'.
Type '{ (): C<A>; (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ (): ReadonlyArray<B>; <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
Type 'C<A>' is not assignable to type 'B[]'.
Types of property 'pop' are incompatible.
Type '() => A' is not assignable to type '() => B'.
Type 'A' is not assignable to type 'B'.


==== tests/cases/compiler/arrayOfSubtypeIsAssignableToReadonlyArray.ts (2 errors) ====
Expand All @@ -28,7 +30,7 @@ tests/cases/compiler/arrayOfSubtypeIsAssignableToReadonlyArray.ts(18,1): error T
~~~
!!! error TS2322: Type 'A[]' is not assignable to type 'ReadonlyArray<B>'.
!!! error TS2322: Types of property 'concat' are incompatible.
!!! error TS2322: Type '{ (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
!!! error TS2322: Type '{ (): A[]; (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ (): ReadonlyArray<B>; <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
!!! error TS2322: Type 'A[]' is not assignable to type 'B[]'.
!!! error TS2322: Type 'A' is not assignable to type 'B'.
!!! error TS2322: Property 'b' is missing in type 'A'.
Expand All @@ -40,7 +42,9 @@ tests/cases/compiler/arrayOfSubtypeIsAssignableToReadonlyArray.ts(18,1): error T
~~~
!!! error TS2322: Type 'C<A>' is not assignable to type 'ReadonlyArray<B>'.
!!! error TS2322: Types of property 'concat' are incompatible.
!!! error TS2322: Type '{ (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
!!! error TS2322: Type 'A[]' is not assignable to type 'B[]'.
!!! error TS2322: Type 'A' is not assignable to type 'B'.
!!! error TS2322: Type '{ (): C<A>; (...items: A[][]): A[]; (...items: (A | A[])[]): A[]; }' is not assignable to type '{ (): ReadonlyArray<B>; <U extends ReadonlyArray<B>>(...items: U[]): B[]; (...items: B[][]): B[]; (...items: (B | B[])[]): B[]; }'.
!!! error TS2322: Type 'C<A>' is not assignable to type 'B[]'.
!!! error TS2322: Types of property 'pop' are incompatible.
!!! error TS2322: Type '() => A' is not assignable to type '() => B'.
!!! error TS2322: Type 'A' is not assignable to type 'B'.

12 changes: 6 additions & 6 deletions tests/baselines/reference/bestChoiceType.types
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Expand Up @@ -4,7 +4,7 @@

(''.match(/ /) || []).map(s => s.toLowerCase());
>(''.match(/ /) || []).map(s => s.toLowerCase()) : string[]
>(''.match(/ /) || []).map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[]; }
>(''.match(/ /) || []).map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): U[]; }
>(''.match(/ /) || []) : RegExpMatchArray
>''.match(/ /) || [] : RegExpMatchArray
>''.match(/ /) : RegExpMatchArray | null
Expand All @@ -13,7 +13,7 @@
>match : { (regexp: string): RegExpMatchArray | null; (regexp: RegExp): RegExpMatchArray | null; }
>/ / : RegExp
>[] : never[]
>map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[]; }
>map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): U[]; }
>s => s.toLowerCase() : (s: string) => string
>s : string
>s.toLowerCase() : string
Expand Down Expand Up @@ -43,9 +43,9 @@ function f1() {
let z = y.map(s => s.toLowerCase());
>z : string[]
>y.map(s => s.toLowerCase()) : string[]
>y.map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[]; }
>y.map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): U[]; }
>y : RegExpMatchArray
>map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[]; }
>map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): U[]; }
>s => s.toLowerCase() : (s: string) => string
>s : string
>s.toLowerCase() : string
Expand Down Expand Up @@ -75,9 +75,9 @@ function f2() {
let z = y.map(s => s.toLowerCase());
>z : string[]
>y.map(s => s.toLowerCase()) : string[]
>y.map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[]; }
>y.map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): U[]; }
>y : RegExpMatchArray
>map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: string[]) => U, thisArg?: any): U[]; }
>map : { <U>(this: [string, string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [string, string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U, U]; <U>(this: [string, string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U, U]; <U>(this: [string, string], callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: string, index: number, array: RegExpMatchArray) => U, thisArg?: any): U[]; }
>s => s.toLowerCase() : (s: string) => string
>s : string
>s.toLowerCase() : string
Expand Down
8 changes: 4 additions & 4 deletions tests/baselines/reference/concatError.symbols
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Expand Up @@ -14,15 +14,15 @@ var fa: number[];

fa = fa.concat([0]);
>fa : Symbol(fa, Decl(concatError.ts, 8, 3))
>fa.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>fa.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>fa : Symbol(fa, Decl(concatError.ts, 8, 3))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))

fa = fa.concat(0);
>fa : Symbol(fa, Decl(concatError.ts, 8, 3))
>fa.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>fa.concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>fa : Symbol(fa, Decl(concatError.ts, 8, 3))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
>concat : Symbol(Array.concat, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))



Expand Down
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