-
-
Notifications
You must be signed in to change notification settings - Fork 30
/
Array.ts
57 lines (56 loc) 路 1.74 KB
/
Array.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
import { UnpackArray, Array } from '../types'
export declare function groupBy<A>(
xs: Array<A>,
groupFn: (item: A) => PropertyKey,
): Record<PropertyKey, readonly [A, ...A[]]>
export declare function flat<A>(
xs: Array<A>,
): Array<A extends Array<infer B> ? B : A>
export declare function deepFlat<A>(xs: Array<A>): Array<UnpackArray<A>>
export declare function toTuple<T extends Array<any>>(
xs: readonly [...T],
): readonly [...T]
export declare function filter<A, B extends A>(
xs: Array<A>,
predicateFn: (value: A) => value is B,
): Array<B>
export declare function filter<A>(
xs: Array<A>,
predicateFn: (value: A) => boolean,
): Array<A>
export declare function filterWithIndex<A, B extends A>(
xs: Array<A>,
predicateFn: (index: number, value: A) => value is B,
): Array<B>
export declare function filterWithIndex<A>(
xs: Array<A>,
predicateFn: (index: number, value: A) => boolean,
): Array<A>
export declare function keep<A, B extends A>(
xs: Array<A>,
predicateFn: (value: A) => value is B,
): Array<B>
export declare function keep<A>(
xs: Array<A>,
predicateFn: (value: A) => boolean,
): Array<A>
export declare function keepWithIndex<A, B extends A>(
xs: Array<A>,
predicateFn: (index: number, value: A) => value is B,
): Array<B>
export declare function keepWithIndex<A>(
xs: Array<A>,
predicateFn: (index: number, value: A) => boolean,
): Array<A>
export declare function partition<A, B extends A>(
xs: Array<A>,
predicateFn: (value: A) => value is B,
): readonly [Array<B>, Array<Exclude<A, B>>]
export declare function partition<A>(
xs: Array<A>,
predicateFn: (value: A) => boolean,
): readonly [Array<A>, Array<A>]
export declare function flatMap<A, B>(
xs: Array<A>,
fn: (value: A) => B | Array<B>,
): Array<B>