union-tuple

中文文档

Generics to work with union/tuple in typescript

repository

https://github.com/livelybone/union-tuple.git

Demo

https://github.com/livelybone/union-tuple#readme

Installation

npm i -S union-tuple

Interface

See what method or params you can use in index.d.ts

Usage

IsTuple

import { IsTuple } from 'union-tuple'

type Foo = IsTuple<[1, 2]>
const foo: Foo = true

TupleToUnion

import { TupleToUnion } from 'union-tuple'

type Foo = TupleToUnion<[1, 2]>
const foo: Foo = 1

UnionPop

import { UnionPop } from 'union-tuple'

type Foo = UnionPop<1 | 2>
const foo: Foo = 2

TuplePrepend

import { TuplePrepend } from 'union-tuple'

type Foo = TuplePrepend<[1, 2], 3>
const foo: Foo = [3, 1, 2]

UnionToTuple

import { UnionToTuple } from 'union-tuple'

type Foo = UnionToTuple<1 | 2 | 3>
const foo: Foo = [1, 2, 3]

UnionToTuple

import { UnionToTuple } from 'union-tuple'

type Foo = UnionToTuple<1 | 2 | 3>
const foo: Foo = [1, 2, 3]

UnionToTupleWithMap

import { UnionToTupleWithMap } from 'union-tuple'

type Foo = UnionToTupleWithMap<1 | 2 | 3, { 1: 'a', 2: 'c', 3: [1, 2] }>
const foo: Foo = ['a', 'c', [1, 2]]

TupleMap

import { TupleMap } from 'union-tuple'

type Foo = TupleMap<[2, 1, 3], { 1: 'a', 2: 'c', 3: [1, 2] }>
const foo: Foo = ['c', 'a', [1, 2]]