streamich / state-containers

Simple state containers for your services and React apps

state-containers

• Strongly typed state containers with TypeScript.
• Redux-like but without the boilerplate.
• Simple state management for your services and React apps.
• Composable: use just state containers, or with React helpers or add optional routines to the mix.

Usage

Install

npm install state-containers

Use

import {StateContainer, PureTransition, createStateContainer} from 'state-containers';

type CounterState = number;

interface CounterPureTransitions {
  increment: PureTransition<CounterState, [number]>;
  double: PureTransition<CounterState, []>;
  setTo: PureTransition<CounterState, [number]>;
}

const defaultState: CounterState = 0;

const pureTransitions: CounterPureTransitions = {
  increment: (cnt) => (by) => cnt + by,
  double: (cnt) => () => 2 * cnt,
  setTo: (ctn) => (to) => to,
};

const store = createStateContainer(defaultState, pureTransitions);

store.transitions.increment(5);
store.transitions.double();
store.state; // 10

Reference

• State container
• React

Examples

• Counter
• TodoMVC

License

Unlicense — public domain.

state-containers's Issues

Dependency Dashboard

This issue lists Renovate updates and detected dependencies. Read the Dependency Dashboard docs to learn more.

Repository problems

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• WARN: RepoCacheS3.read() - failure

Rate-Limited

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• chore(deps): update dependency pretty-quick to v3.3.1
• chore(deps): update dependency husky to v9
• chore(deps): update dependency pretty-quick to v4
• chore(deps): update node.js to v20
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Edited/Blocked

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• fix(deps): update dependency react-use to v17

Open

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• chore(deps): update dependency semantic-release to v19 [security]
• chore(deps): update semantic-release monorepo (@semantic-release/git, @semantic-release/npm)
• chore(deps): update dependency typescript to v4.9.5
• chore(deps): update dependency prettier to v3
• chore(deps): update dependency rimraf to v5
• chore(deps): update dependency ts-node to v10
• chore(deps): update dependency typescript to v5
• chore(deps): update jest monorepo to v29 (major) (@types/jest, jest, ts-jest)
• chore(deps): update semantic-release monorepo (major) (@semantic-release/changelog, @semantic-release/git, @semantic-release/npm)
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Detected dependencies

circleci

.circleci/config.yml

• node 10.24

npm

package.json

• fast-deep-equal ^3.1.1
• react-use ^13.9.0
• @semantic-release/changelog 5.0.1
• @semantic-release/git 9.0.0
• @semantic-release/npm 7.1.1
• @types/jest 26.0.24
• husky 6.0.0
• jest 26.6.3
• prettier 2.8.8
• pretty-quick 3.1.3
• react 18.2.0
• react-dom 18.2.0
• rimraf 3.0.2
• rxjs 7.8.1
• semantic-release 17.4.2
• ts-jest 26.5.6
• ts-node 9.1.1
• tslint 5.20.1
• tslint-config-common 1.6.2
• typescript 4.1.5
• react *
• rxjs *

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