mirror of
https://github.com/gosticks/DefinitelyTyped.git
synced 2025-10-16 12:05:41 +00:00
708214ef04
* Change 'export default' to 'export =' For packages that don't actually export a 'default' property. * 7 more packages
36 lines
1.4 KiB
TypeScript
36 lines
1.4 KiB
TypeScript
import memoizeOne = require('memoize-one');
|
|
|
|
declare function add(a: number, b: number): number ;
|
|
declare function lousyEqualityFn(a: any, b: any): boolean;
|
|
declare function strictEqualityFn<T>(a: T, b: T): boolean;
|
|
declare function equalityFnWithIndex<T>(a: T, b: T, index: number): boolean;
|
|
|
|
/**
|
|
* Accepts a second argument.
|
|
*/
|
|
memoizeOne(add); // $ExpectType (a: number, b: number) => number
|
|
memoizeOne(add, lousyEqualityFn); // $ExpectType (a: number, b: number) => number
|
|
memoizeOne(add, strictEqualityFn); // $ExpectType (a: number, b: number) => number
|
|
memoizeOne(add, equalityFnWithIndex); // $ExpectType (a: number, b: number) => number
|
|
|
|
/**
|
|
* The second argument can be, but doesn't have to be strictly typed.
|
|
*/
|
|
memoizeOne(add, (a, b) => a === b); // $ExpectType (a: number, b: number) => number
|
|
memoizeOne(add, (a: string, b: string) => a === b); // $ExpectType (a: number, b: number) => number
|
|
|
|
/**
|
|
* Function passed as the second argument accepts no more than three arguments.
|
|
*/
|
|
memoizeOne(add, (a: number, b: number, c: number, d: number) => Boolean(a && b && c && d)); // $ExpectError
|
|
|
|
/**
|
|
* Function passed as the second argument returns a boolean.
|
|
*/
|
|
memoizeOne(add, (a: string, b: string) => 0); // $ExpectError
|
|
|
|
/**
|
|
* The `EqualityFn` type is publicly accessible.
|
|
*/
|
|
const simpleIsEqual: memoizeOne.EqualityFn = (x: number, y: number): boolean => (x === y);
|