mirror of
https://github.com/gosticks/DefinitelyTyped.git
synced 2025-10-16 12:05:41 +00:00
254fd7c1bb
* feat: Add `function‑bind` * fix(function‑bind): Separate <TS3.2 and TS3.3+ type defintions * chore: `tsconfig.json` now allows only `index.d.ts` and tests
82 lines
2.5 KiB
TypeScript
82 lines
2.5 KiB
TypeScript
import bind = require('function-bind');
|
|
|
|
const string = String(Math.random());
|
|
const number = Math.random();
|
|
const boolean = Math.random() >= 0.5;
|
|
|
|
/**
|
|
* The `expectType` function from https://www.npmjs.com/package/tsd,
|
|
* except instead of returning `void`, it returns `T`.
|
|
*/
|
|
declare function expectType<T>(value: T): T;
|
|
|
|
// $ExpectType (thisArg: any, start?: number | undefined, end?: number | undefined) => any[]
|
|
const slice = expectType<(thisArg: any, start?: number, end?: number) => any[]>(
|
|
bind.call(Function.call, Array.prototype.slice),
|
|
);
|
|
|
|
// $ExpectType (start?: number | undefined, end?: number | undefined) => any[]
|
|
const sliceBoundThis = expectType<(start?: number, end?: number) => any[]>(
|
|
bind.call(Function.call, Array.prototype.slice, null),
|
|
);
|
|
|
|
// $ExpectType (end?: number | undefined) => any[]
|
|
const sliceBoundThisAndStart = expectType<(end?: number) => any[]>(
|
|
bind.call(Function.call, Array.prototype.slice, ['a'], 1),
|
|
);
|
|
|
|
slice(['a']);
|
|
|
|
// $ExpectType (...args: string[]) => boolean
|
|
expectType<(...args: string[]) => boolean>(bind.call(Boolean, null, String(), '2', '3', '4', '5'));
|
|
|
|
// $ExpectType (...args: string[]) => boolean
|
|
expectType<(...args: string[]) => boolean>(bind.apply(Boolean, [null, '1', '2', '3', '4', '5']));
|
|
|
|
// Class compatibility:
|
|
class Foo {
|
|
constructor(public string: string, public number: number) {}
|
|
}
|
|
|
|
// bind.call():
|
|
// $ExpectType new (string: string, number: number) => Foo
|
|
bind.call(Foo, null);
|
|
// Foo.bind(null);
|
|
|
|
// $ExpectType new (number: number) => Foo
|
|
bind.call(Foo, null, string);
|
|
// Foo.bind(null, string);
|
|
|
|
// $ExpectType new () => Foo
|
|
bind.call(Foo, null, string, number);
|
|
// Foo.bind(null, string, number);
|
|
|
|
// $ExpectType new () => Foo
|
|
bind.call(Foo, null, string, number, boolean);
|
|
// Foo.bind(null, string, number, boolean);
|
|
|
|
// $ExpectType new () => Foo
|
|
bind.call(Foo, null, string, number, boolean, undefined);
|
|
// Foo.bind(null, string, number, boolean, undefined);
|
|
|
|
// bind.apply():
|
|
// $ExpectType new (string: string, number: number) => Foo
|
|
bind.apply(Foo, [null]);
|
|
// Foo.bind(...[null]);
|
|
|
|
// $ExpectType new (number: number) => Foo
|
|
bind.apply(Foo, [null, string]);
|
|
// Foo.bind(...[null, string]);
|
|
|
|
// $ExpectType new () => Foo
|
|
bind.apply(Foo, [null, string, number]);
|
|
// Foo.bind(...[null, string, number]);
|
|
|
|
// $ExpectType new () => Foo
|
|
bind.apply(Foo, [null, string, number, boolean]);
|
|
// Foo.bind(...[null, string, number, boolean]);
|
|
|
|
// $ExpectType new () => Foo
|
|
bind.apply(Foo, [null, string, number, boolean, undefined]);
|
|
// Foo.bind(...[null, string, number, boolean, undefined]);
|