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Redux Utils\nUtility functions and patterns to work with redux and reduce some of the boilerplate involved\n\n[![CircleCI](https://img.shields.io/circleci/project/github/phenax/redux-utils/master.svg?style=for-the-badge)](https://circleci.com/gh/phenax/redux-utils)\n[![npm bundle size (minified + gzip)](https://img.shields.io/bundlephobia/minzip/@phenax/redux-utils.svg?style=for-the-badge)](https://www.npmjs.com/package/@phenax/redux-utils)\n[![Codecov](https://img.shields.io/codecov/c/github/phenax/redux-utils.svg?style=for-the-badge)](https://codecov.io/gh/phenax/redux-utils)\n\n[Read the documentation for more information](https://github.com/phenax/redux-utils/tree/master/docs)\n\n## Install\n\n### To add the project to your project\n```bash\nyarn add @phenax/redux-utils\n```\n\n## Motivation\nThe patterns and utility functions this library exposes are just a collection of solutions to problems that I've faced while working with redux. The most common one being the frequently repeated convention of using the three states, _REQUEST/_PENDING, _SUCCESS and _FAILURE for most, if not all of the actions being dispatched. So I've compiled here a few of the utility functions that I created in my personal projects.\n\n## Usage\n\n### Import it to your file\n```js\nimport { actionTypes, THREE_STATE_ACTION, createPartialReducer, mergeReducers } from '@phenax/redux-utils';\n```\n\n\n### Create resource based action types\n`actionTypes` function works on a simple convention of `@resource/ACTION/STATE`. Borrowed it from the REST world.\n\n`THREE_STATE_ACTION` is just an array of the 3 action states `['PENDING', 'SUCCESS', 'FAILURE']`\n\n```js\nimport { actionTypes, THREE_STATE_ACTION } from '@phenax/redux-utils';\n\nconst types = actionTypes({\n  USERS: {\n    ADD: THREE_STATE_ACTION,\n    LIST: THREE_STATE_ACTION,\n  },\n});\n```\n\nYour dispatches will look something like this\n```js\ndispatch({ type: types.USERS.ADD.SUCCESS, payload: {/* stuff */} });\n```\n\n\n### Create a partial reducer\n`createPartialReducer` function can be used to create reducers that only act on actions on that resource. For example a dispatch of type `types.USERS.LIST.SUCCESS` will not affect anything inside a partial reducer for `types.USERS.ADD`.\nAlso the reason for choosing an object over switch case statements is that it will promote using smaller functions inside your reducers for a more composable.\n\n```js\nimport { createPartialReducer } from '@phenax/redux-utils';\n\nconst initialState = { loading: true, users: [], error: '' };\n\nconst addUserReducer = createPartialReducer(types.USERS.ADD, (state = initialState, action) =\u003e ({\n  PENDING: () =\u003e ({ ...state, loading: true }),\n  SUCCESS: newUser =\u003e ({\n    users: [...state.users, newUser],\n  }),\n  FAILURE: e =\u003e ({ ...state, error: e.message }),\n}));\n```\n\n\n### Merge your partial reducers togather\n`mergeReducers` function will allow you to merge/compose all the partial action reducers that you have created into one resource reducer. It will merge your reducers from LEFT-to-RIGHT but that shouldn't matter as any dispatch should only affect one partial reducer.\n\nNote: Some may find this pattern very restrictive and that was the intention but mergeReducers is a generic function so the argument being passed doesn't have to be a partial reducer. So you can add a reducer with the good old switch-case statement in there.\n\n```js\nimport { mergeReducers } from '@phenax/redux-utils';\n\nconst userReducer = mergeReducers(addUserReducer, listUserReducer);\n```\n\n\n## Usage with redux-saga and crocks\n\n```js\nimport { callAsync, putResponse } from '@phenax/redux-utils/saga';\n\n// fetchUsers :: Params -\u003e Async [User]\n\nfunction* listUsersSaga({ payload: { params } }) {\n  yield put(({ type: types.USERS.LIST.SUCCESS, payload: data }));\n\n  const response = yield callAsync(fetchUsers, params);\n\n  yield putResponse(types.USERS.LIST, response);\n}\n```\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fphenax%2Fredux-utils","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fphenax%2Fredux-utils","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fphenax%2Fredux-utils/lists"}