react-redux-typescript
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Mapped Types Utilities for TypeScript Projects
DEPRECATION WARNING: this part will be removed in next major release, please use
typesafe-actions
directly instead!
typesafe-actions
Archived docs:
DiffKeys<K extends string, L extends string>
Compare set of keysK
andL
and return a subset with a difference
Usage:
import { OmitKeys } from 'react-redux-typescript';
interface BaseProps { a: string, b?: number, c: boolean }
interface Props { a: number, d: number }
type Diffed_Keys = DiffKeys<keyof Props, keyof Props2>;
// Expect: 'b' | 'c'
OmitKeys<K extends string, K2 extends K>
From set of keysK
subtract it's subsetK2
Usage:
import { OmitKeys } from 'react-redux-typescript';
interface BaseProps { a: string, b?: number, c: boolean }
type Omitted_Keys = OmitKeys<keyof BaseProps, 'a'>;
// Expect: 'b' | 'c'
Diff<T extends object, U extends object>
FromT
remove intersecting properties withU
Usage:
import { OmitKeys } from 'react-redux-typescript';
interface BaseProps { a: string, b?: number, c: boolean }
interface Props { a: number, d: number }
type Diffed_Props = Diff<BaseProps, Props>;
// Expect { b?: number | undefined, c: boolean }
Omit<T extends object, K extends keyof T>
FromT
remove a set of propertiesK
Usage:
import { OmitKeys } from 'react-redux-typescript';
interface BaseProps { a: string, b?: number, c: boolean }
type Omitted_Props = Omit<BaseProps, 'a'>;
// Expect: { b?: number | undefined, c: boolean }
Overwrite<T extends object, U extends object>
Replace intersecting properties fromU
toT
Usage:
import { OmitKeys } from 'react-redux-typescript';
interface BaseProps { a: string, b?: number, c: boolean }
interface Props { a: number, d: number }
type Overwritten_Props = Overwrite<BaseProps, Props>;
// Expect: { a: number, b?: number | undefined, c: boolean }
Assign<T extends object, U extends object>
Copy and replace all properties fromU
toT
Usage:
import { Assign } from 'react-redux-typescript';
interface BaseProps { a: string, b?: number, c: boolean }
interface Props { a: number, d: number }
type Assigned_Props = Assign<BaseProps, Props>;
// Expect: { a: number, b?: number | undefined, c: boolean, d: number }
Get return value of an "expression" with inferred return type
Alias:returntypeof
https://github.com/Microsoft/TypeScript/issues/6606
// this polyfill exist because TypeScript does not support getting type of expression
// (tracking issue: https://github.com/Microsoft/TypeScript/issues/6606)
function getReturnOfExpression<T>(
expression: (...params: any[]) => T,
): T;
// Example:
import { getReturnOfExpression } from 'react-redux-typescript';
const increment = () => ({ type: 'INCREMENT' as 'INCREMENT' });
const returnOfIncrement = getReturnOfExpression(increment);
type INCREMENT = typeof returnOfIncrement; // { type: "INCREMENT"; }
MIT License
Copyright (c) 2016 Piotr Witek piotrek.witek@gmail.com (http://piotrwitek.github.io)
FAQs
React / Redux / TypeScript Utils
The npm package react-redux-typescript receives a total of 1,331 weekly downloads. As such, react-redux-typescript popularity was classified as popular.
We found that react-redux-typescript demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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