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tests/cases/conformance/functions/strictBindCallApply1.ts(11,11): error TS2769: No overload matches this call.
Overload 1 of 6, '(this: (this: undefined, arg0: 10, arg1: string) => string, thisArg: undefined, arg0: 10, arg1: string): () => string', gave the following error.
Argument of type 'number' is not assignable to parameter of type 'string'.
Overload 2 of 6, '(this: (this: undefined, ...args: (10 | 20)[]) => string, thisArg: undefined, ...args: (10 | 20)[]): (...args: (10 | 20)[]) => string', gave the following error.
The 'this' context of type '(a: number, b: string) => string' is not assignable to method's 'this' of type '(this: undefined, ...args: (10 | 20)[]) => string'.
Types of parameters 'b' and 'args' are incompatible.
Type 'number' is not assignable to type 'string'.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(17,15): error TS2554: Expected 3 arguments, but got 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(18,35): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(19,44): error TS2554: Expected 3 arguments, but got 4.
tests/cases/conformance/functions/strictBindCallApply1.ts(22,32): error TS2345: Argument of type '[number]' is not assignable to parameter of type '[a: number, b: string]'.
Source has 1 element(s) but target requires 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(23,37): error TS2322: Type 'number' is not assignable to type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(24,32): error TS2345: Argument of type '[number, string, number]' is not assignable to parameter of type '[a: number, b: string]'.
Source has 3 element(s) but target allows only 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(41,11): error TS2769: No overload matches this call.
Overload 1 of 6, '(this: (this: C, arg0: 10, arg1: string) => string, thisArg: C, arg0: 10, arg1: string): () => string', gave the following error.
Argument of type 'number' is not assignable to parameter of type 'string'.
Overload 2 of 6, '(this: (this: C, ...args: (10 | 20)[]) => string, thisArg: C, ...args: (10 | 20)[]): (...args: (10 | 20)[]) => string', gave the following error.
The 'this' context of type '(this: C, a: number, b: string) => string' is not assignable to method's 'this' of type '(this: C, ...args: (10 | 20)[]) => string'.
Types of parameters 'b' and 'args' are incompatible.
Type 'number' is not assignable to type 'string'.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(42,11): error TS2769: No overload matches this call.
Overload 1 of 6, '(this: (this: C, a: number, b: string) => string, thisArg: C): (a: number, b: string) => string', gave the following error.
Argument of type 'undefined' is not assignable to parameter of type 'C'.
Overload 2 of 6, '(this: (this: C, ...args: (string | number)[]) => string, thisArg: C, ...args: (string | number)[]): (...args: (string | number)[]) => string', gave the following error.
The 'this' context of type '(this: C, a: number, b: string) => string' is not assignable to method's 'this' of type '(this: C, ...args: (string | number)[]) => string'.
Types of parameters 'a' and 'args' are incompatible.
Type 'string | number' is not assignable to type 'number'.
Type 'string' is not assignable to type 'number'.
tests/cases/conformance/functions/strictBindCallApply1.ts(48,17): error TS2554: Expected 3 arguments, but got 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(49,29): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(50,38): error TS2554: Expected 3 arguments, but got 4.
tests/cases/conformance/functions/strictBindCallApply1.ts(51,22): error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'C'.
tests/cases/conformance/functions/strictBindCallApply1.ts(54,26): error TS2345: Argument of type '[number]' is not assignable to parameter of type '[a: number, b: string]'.
Source has 1 element(s) but target requires 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(55,31): error TS2322: Type 'number' is not assignable to type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(56,26): error TS2345: Argument of type '[number, string, number]' is not assignable to parameter of type '[a: number, b: string]'.
Source has 3 element(s) but target allows only 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(57,23): error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'C'.
tests/cases/conformance/functions/strictBindCallApply1.ts(62,11): error TS2769: No overload matches this call.
Overload 1 of 6, '(this: new (arg0: 10, arg1: string) => C, thisArg: any, arg0: 10, arg1: string): new () => C', gave the following error.
Argument of type 'number' is not assignable to parameter of type 'string'.
Overload 2 of 6, '(this: new (...args: (10 | 20)[]) => C, thisArg: any, ...args: (10 | 20)[]): new (...args: (10 | 20)[]) => C', gave the following error.
The 'this' context of type 'typeof C' is not assignable to method's 'this' of type 'new (...args: (10 | 20)[]) => C'.
Types of construct signatures are incompatible.
Type 'new (a: number, b: string) => C' is not assignable to type 'new (...args: (10 | 20)[]) => C'.
Types of parameters 'b' and 'args' are incompatible.
Type 'number' is not assignable to type 'string'.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(65,3): error TS2554: Expected 3 arguments, but got 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(66,15): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(67,24): error TS2554: Expected 3 arguments, but got 4.
tests/cases/conformance/functions/strictBindCallApply1.ts(70,12): error TS2345: Argument of type '[number]' is not assignable to parameter of type '[a: number, b: string]'.
Source has 1 element(s) but target requires 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(71,17): error TS2322: Type 'number' is not assignable to type 'string'.
tests/cases/conformance/functions/strictBindCallApply1.ts(72,12): error TS2345: Argument of type '[number, string, number]' is not assignable to parameter of type '[a: number, b: string]'.
Source has 3 element(s) but target allows only 2.
tests/cases/conformance/functions/strictBindCallApply1.ts(76,5): error TS2769: No overload matches this call.
Overload 1 of 6, '(this: (this: 1, ...args: T) => void, thisArg: 1): (...args: T) => void', gave the following error.
Argument of type '2' is not assignable to parameter of type '1'.
Overload 2 of 6, '(this: (this: 1, ...args: unknown[]) => void, thisArg: 1, ...args: unknown[]): (...args: unknown[]) => void', gave the following error.
The 'this' context of type '(this: 1, ...args: T) => void' is not assignable to method's 'this' of type '(this: 1, ...args: unknown[]) => void'.
Types of parameters 'args' and 'args' are incompatible.
Type 'unknown[]' is not assignable to type 'T'.
'unknown[]' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'unknown[]'.
tests/cases/conformance/functions/strictBindCallApply1.ts(81,5): error TS2769: No overload matches this call.
Overload 1 of 6, '(this: (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void, thisArg: 1): (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void', gave the following error.
Argument of type '2' is not assignable to parameter of type '1'.
Overload 2 of 6, '(this: (this: 1, ...args: unknown[]) => void, thisArg: 1, ...args: unknown[]): (...args: unknown[]) => void', gave the following error.
The 'this' context of type '(this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void' is not assignable to method's 'this' of type '(this: 1, ...args: unknown[]) => void'.
Types of parameters 'args' and 'args' are incompatible.
Type 'unknown[]' is not assignable to type 'T extends 1 ? [unknown] : [unknown, unknown]'.
==== tests/cases/conformance/functions/strictBindCallApply1.ts (26 errors) ====
declare function foo(a: number, b: string): string;
declare function overloaded(s: string): number;
declare function overloaded(n: number): string;
declare function generic<T>(x: T): T;
let f00 = foo.bind(undefined);
let f01 = foo.bind(undefined, 10);
let f02 = foo.bind(undefined, 10, "hello");
let f03 = foo.bind(undefined, 10, 20); // Error
~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 6, '(this: (this: undefined, arg0: 10, arg1: string) => string, thisArg: undefined, arg0: 10, arg1: string): () => string', gave the following error.
!!! error TS2769: Argument of type 'number' is not assignable to parameter of type 'string'.
!!! error TS2769: Overload 2 of 6, '(this: (this: undefined, ...args: (10 | 20)[]) => string, thisArg: undefined, ...args: (10 | 20)[]): (...args: (10 | 20)[]) => string', gave the following error.
!!! error TS2769: The 'this' context of type '(a: number, b: string) => string' is not assignable to method's 'this' of type '(this: undefined, ...args: (10 | 20)[]) => string'.
!!! error TS2769: Types of parameters 'b' and 'args' are incompatible.
!!! error TS2769: Type 'number' is not assignable to type 'string'.
!!! error TS2769: Type 'number' is not assignable to type 'string'.
let f04 = overloaded.bind(undefined); // typeof overloaded
let f05 = generic.bind(undefined); // typeof generic
let c00 = foo.call(undefined, 10, "hello");
let c01 = foo.call(undefined, 10); // Error
~~~~~~~~~~~~~~~~~~~
!!! error TS2554: Expected 3 arguments, but got 2.
let c02 = foo.call(undefined, 10, 20); // Error
~~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
let c03 = foo.call(undefined, 10, "hello", 30); // Error
~~
!!! error TS2554: Expected 3 arguments, but got 4.
let a00 = foo.apply(undefined, [10, "hello"]);
let a01 = foo.apply(undefined, [10]); // Error
~~~~
!!! error TS2345: Argument of type '[number]' is not assignable to parameter of type '[a: number, b: string]'.
!!! error TS2345: Source has 1 element(s) but target requires 2.
let a02 = foo.apply(undefined, [10, 20]); // Error
~~
!!! error TS2322: Type 'number' is not assignable to type 'string'.
let a03 = foo.apply(undefined, [10, "hello", 30]); // Error
~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '[number, string, number]' is not assignable to parameter of type '[a: number, b: string]'.
!!! error TS2345: Source has 3 element(s) but target allows only 2.
class C {
constructor(a: number, b: string) {}
foo(this: this, a: number, b: string): string { return "" }
overloaded(s: string): number;
overloaded(n: number): string;
overloaded(x: any): any { return <any>undefined }
generic<T>(x: T): T { return x }
}
declare let c: C;
declare let obj: {};
let f10 = c.foo.bind(c);
let f11 = c.foo.bind(c, 10);
let f12 = c.foo.bind(c, 10, "hello");
let f13 = c.foo.bind(c, 10, 20); // Error
~~~~~~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 6, '(this: (this: C, arg0: 10, arg1: string) => string, thisArg: C, arg0: 10, arg1: string): () => string', gave the following error.
!!! error TS2769: Argument of type 'number' is not assignable to parameter of type 'string'.
!!! error TS2769: Overload 2 of 6, '(this: (this: C, ...args: (10 | 20)[]) => string, thisArg: C, ...args: (10 | 20)[]): (...args: (10 | 20)[]) => string', gave the following error.
!!! error TS2769: The 'this' context of type '(this: C, a: number, b: string) => string' is not assignable to method's 'this' of type '(this: C, ...args: (10 | 20)[]) => string'.
!!! error TS2769: Types of parameters 'b' and 'args' are incompatible.
!!! error TS2769: Type 'number' is not assignable to type 'string'.
!!! error TS2769: Type 'number' is not assignable to type 'string'.
let f14 = c.foo.bind(undefined); // Error
~~~~~~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 6, '(this: (this: C, a: number, b: string) => string, thisArg: C): (a: number, b: string) => string', gave the following error.
!!! error TS2769: Argument of type 'undefined' is not assignable to parameter of type 'C'.
!!! error TS2769: Overload 2 of 6, '(this: (this: C, ...args: (string | number)[]) => string, thisArg: C, ...args: (string | number)[]): (...args: (string | number)[]) => string', gave the following error.
!!! error TS2769: The 'this' context of type '(this: C, a: number, b: string) => string' is not assignable to method's 'this' of type '(this: C, ...args: (string | number)[]) => string'.
!!! error TS2769: Types of parameters 'a' and 'args' are incompatible.
!!! error TS2769: Type 'string | number' is not assignable to type 'number'.
!!! error TS2769: Type 'string' is not assignable to type 'number'.
let f15 = c.overloaded.bind(c); // typeof C.prototype.overloaded
let f16 = c.generic.bind(c); // typeof C.prototype.generic
let c10 = c.foo.call(c, 10, "hello");
let c11 = c.foo.call(c, 10); // Error
~~~~~~~~~~~
!!! error TS2554: Expected 3 arguments, but got 2.
let c12 = c.foo.call(c, 10, 20); // Error
~~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
let c13 = c.foo.call(c, 10, "hello", 30); // Error
~~
!!! error TS2554: Expected 3 arguments, but got 4.
let c14 = c.foo.call(undefined, 10, "hello"); // Error
~~~~~~~~~
!!! error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'C'.
let a10 = c.foo.apply(c, [10, "hello"]);
let a11 = c.foo.apply(c, [10]); // Error
~~~~
!!! error TS2345: Argument of type '[number]' is not assignable to parameter of type '[a: number, b: string]'.
!!! error TS2345: Source has 1 element(s) but target requires 2.
let a12 = c.foo.apply(c, [10, 20]); // Error
~~
!!! error TS2322: Type 'number' is not assignable to type 'string'.
let a13 = c.foo.apply(c, [10, "hello", 30]); // Error
~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '[number, string, number]' is not assignable to parameter of type '[a: number, b: string]'.
!!! error TS2345: Source has 3 element(s) but target allows only 2.
let a14 = c.foo.apply(undefined, [10, "hello"]); // Error
~~~~~~~~~
!!! error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'C'.
let f20 = C.bind(undefined);
let f21 = C.bind(undefined, 10);
let f22 = C.bind(undefined, 10, "hello");
let f23 = C.bind(undefined, 10, 20); // Error
~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 6, '(this: new (arg0: 10, arg1: string) => C, thisArg: any, arg0: 10, arg1: string): new () => C', gave the following error.
!!! error TS2769: Argument of type 'number' is not assignable to parameter of type 'string'.
!!! error TS2769: Overload 2 of 6, '(this: new (...args: (10 | 20)[]) => C, thisArg: any, ...args: (10 | 20)[]): new (...args: (10 | 20)[]) => C', gave the following error.
!!! error TS2769: The 'this' context of type 'typeof C' is not assignable to method's 'this' of type 'new (...args: (10 | 20)[]) => C'.
!!! error TS2769: Types of construct signatures are incompatible.
!!! error TS2769: Type 'new (a: number, b: string) => C' is not assignable to type 'new (...args: (10 | 20)[]) => C'.
!!! error TS2769: Types of parameters 'b' and 'args' are incompatible.
!!! error TS2769: Type 'number' is not assignable to type 'string'.
!!! error TS2769: Type 'number' is not assignable to type 'string'.
C.call(c, 10, "hello");
C.call(c, 10); // Error
~~~~~~~~~~~
!!! error TS2554: Expected 3 arguments, but got 2.
C.call(c, 10, 20); // Error
~~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
C.call(c, 10, "hello", 30); // Error
~~
!!! error TS2554: Expected 3 arguments, but got 4.
C.apply(c, [10, "hello"]);
C.apply(c, [10]); // Error
~~~~
!!! error TS2345: Argument of type '[number]' is not assignable to parameter of type '[a: number, b: string]'.
!!! error TS2345: Source has 1 element(s) but target requires 2.
C.apply(c, [10, 20]); // Error
~~
!!! error TS2322: Type 'number' is not assignable to type 'string'.
C.apply(c, [10, "hello", 30]); // Error
~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '[number, string, number]' is not assignable to parameter of type '[a: number, b: string]'.
!!! error TS2345: Source has 3 element(s) but target allows only 2.
function bar<T extends unknown[]>(callback: (this: 1, ...args: T) => void) {
callback.bind(1);
callback.bind(2); // Error
~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 6, '(this: (this: 1, ...args: T) => void, thisArg: 1): (...args: T) => void', gave the following error.
!!! error TS2769: Argument of type '2' is not assignable to parameter of type '1'.
!!! error TS2769: Overload 2 of 6, '(this: (this: 1, ...args: unknown[]) => void, thisArg: 1, ...args: unknown[]): (...args: unknown[]) => void', gave the following error.
!!! error TS2769: The 'this' context of type '(this: 1, ...args: T) => void' is not assignable to method's 'this' of type '(this: 1, ...args: unknown[]) => void'.
!!! error TS2769: Types of parameters 'args' and 'args' are incompatible.
!!! error TS2769: Type 'unknown[]' is not assignable to type 'T'.
!!! error TS2769: 'unknown[]' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'unknown[]'.
}
function baz<T extends 1 | 2>(callback: (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void) {
callback.bind(1);
callback.bind(2); // Error
~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 6, '(this: (this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void, thisArg: 1): (...args: T extends 1 ? [unknown] : [unknown, unknown]) => void', gave the following error.
!!! error TS2769: Argument of type '2' is not assignable to parameter of type '1'.
!!! error TS2769: Overload 2 of 6, '(this: (this: 1, ...args: unknown[]) => void, thisArg: 1, ...args: unknown[]): (...args: unknown[]) => void', gave the following error.
!!! error TS2769: The 'this' context of type '(this: 1, ...args: T extends 1 ? [unknown] : [unknown, unknown]) => void' is not assignable to method's 'this' of type '(this: 1, ...args: unknown[]) => void'.
!!! error TS2769: Types of parameters 'args' and 'args' are incompatible.
!!! error TS2769: Type 'unknown[]' is not assignable to type 'T extends 1 ? [unknown] : [unknown, unknown]'.
}
// Repro from #32964
class Foo<T extends unknown[]> {
constructor() {
this.fn.bind(this);
}
fn(...args: T): void {}
}
class Bar<T extends 1 | 2> {
constructor() {
this.fn.bind(this);
}
fn(...args: T extends 1 ? [unknown] : [unknown, unknown]) {}
}
|
