# React Redux Loading Bar [![npm version](https://img.shields.io/npm/v/react-redux-loading-bar.svg?style=flat-square)](https://www.npmjs.com/package/react-redux-loading-bar) [![build status](https://github.com/mironov/react-redux-loading-bar/actions/workflows/ci.yml/badge.svg?branch=master&event=push)](https://github.com/mironov/react-redux-loading-bar/actions/workflows/ci.yml) [![coverage status](https://coveralls.io/repos/github/mironov/react-redux-loading-bar/badge.svg?branch=master)](https://coveralls.io/github/mironov/react-redux-loading-bar?branch=master) [![npm downloads](https://img.shields.io/npm/dm/react-redux-loading-bar.svg?style=flat)](https://www.npmjs.com/package/react-redux-loading-bar) A React component that provides Loading Bar (aka Progress Bar) for long running tasks. ![Demo GIF](http://d.pr/i/JbwN+) Consists of: * React component — displays loading bar and simulates progress * Redux reducer — manages loading bar's part of the store * (optional) Redux middleware — automatically shows and hides Loading Bar for actions with promises ## Examples See [Demo](http://mironov.github.io/react-redux-loading-bar/) or its [source code](https://github.com/mironov/react-redux-loading-bar/tree/gh-pages/src). ## Installation ```bash npm install --save react-redux-loading-bar ``` ## Usage Mount the `LoadingBar` component anywhere in your application: ```jsx import LoadingBar from 'react-redux-loading-bar' export default class Header extends React.Component { render() { return (

) } } ``` Good news is that it doesn't include any positioning. You can attach it to the top of any block or the whole page. You can even include multiple loading bars on the same page, that will render independently. They need to be provided with a scope so that you can adjust them independently. ```jsx import LoadingBar from 'react-redux-loading-bar' export default class Header extends React.Component { render() { return (

) } } ``` Install the reducer to the store: ```jsx import { combineReducers } from 'redux' import { loadingBarReducer } from 'react-redux-loading-bar' const reducer = combineReducers({ // app reducers loadingBar: loadingBarReducer, }) ``` ## Usage with [`redux-promise-middleware`](https://github.com/pburtchaell/redux-promise-middleware) Apply middleware to automatically show and hide loading bar on actions with promises: ```jsx import { createStore, applyMiddleware } from 'redux' import { loadingBarMiddleware } from 'react-redux-loading-bar' import rootReducer from './reducers' const store = createStore( rootReducer, // promise middleware applyMiddleware(loadingBarMiddleware()) ) ``` ## Usage with custom suffixes or alternative promise middleware You can configure promise type suffixes that are used in your project: ```jsx import { createStore, applyMiddleware } from 'redux' import { loadingBarMiddleware } from 'react-redux-loading-bar' import rootReducer from './reducers' const store = createStore( rootReducer, applyMiddleware( loadingBarMiddleware({ promiseTypeSuffixes: ['REQUEST', 'SUCCESS', 'FAILURE'], }) ) ) ``` ## Usage with custom scope (for multiple loading bars) ```jsx import { createStore, applyMiddleware } from 'redux' import { loadingBarMiddleware } from 'react-redux-loading-bar' import rootReducer from './reducers' const store = createStore( rootReducer, applyMiddleware( loadingBarMiddleware({ scope: 'sectionBar', }) ) ) ``` If you're not using `redux-promise-middleware` or any other promise middleware, you can skip installing the `loadingBarMiddleware()` and dispatch `SHOW`/`HIDE` actions manually. The other option is to write your own middleware that will be similar to the [bundled one](https://github.com/mironov/react-redux-loading-bar/blob/master/src/loading_bar_middleware.js). ## Usage without middleware You can dispatch `SHOW`/`HIDE` actions wherever you want by importing the corresponding action creators: ```jsx import { showLoading, hideLoading } from 'react-redux-loading-bar' dispatch(showLoading()) // do long running stuff dispatch(hideLoading()) ``` You need to dispatch `HIDE` as many times as `SHOW` was dispatched to make the bar disappear. In other words, the loading bar is shown until all long running tasks complete. ## Usage without middleware but with scope You need to provide the scope to the actions: ```jsx import { showLoading, hideLoading } from 'react-redux-loading-bar' dispatch(showLoading('sectionBar')) // do long running stuff dispatch(hideLoading('sectionBar')) ``` ## Usage with [`redux-saga`](https://github.com/redux-saga/redux-saga) Install the `loadingBarReducer()` and mount Loading Bar in your application. You can import and dispatch `showLoading` and `hideLoading` from your sagas. ```jsx import { showLoading, hideLoading } from 'react-redux-loading-bar' export function* fetchData() { try { yield put(showLoading()) const payload = yield call(API, params) // payload processing } finally { yield put(hideLoading()) } } ``` ## Usage with [`immutable-js`](https://github.com/facebook/immutable-js) You can change component import line if your top level redux store object is `immutable`. ```jsx import { ImmutableLoadingBar as LoadingBar } from 'react-redux-loading-bar' // Mount LoadingBar component as usual ``` ## Usage with jQuery Ajax Requests If you happen to use jQuery for Ajax requests, you can dispatch `SHOW`/`HIDE` actions on `ajaxStart`/`ajaxStop` global events: ```jsx $(document).on('ajaxStart', this.props.actions.showLoading) $(document).on('ajaxStop', this.props.actions.hideLoading) ``` See [a demo](http://mironov.github.io/react-redux-loading-bar/?ajax) or checkout [the code](https://github.com/mironov/react-redux-loading-bar/blob/gh-pages/src/demo_ajax.js). ## RTL (Right-To-Left) Layout Pass `direction="rtl"` to make Loading Bar simulate progress from right to left: ```jsx ``` ## Styling You can apply custom styling right on the `LoadingBar` component. For example you can change the color and height of the loading bar: ```jsx ``` Alternatively, you can specify your own CSS class. **Please note that will disable default styling (which is `background-color: red; height: 3px; position: absolute;`).** ```jsx ``` Don't forget to set `height`, `background-color` and `position` for the `loading` class in your CSS files. ## Configure Progress Simulation You can change updateTime (by default 200ms), maxProgress (by default 90%) and progressIncrease (by default 5%): ```jsx ``` By default, the Loading Bar will only display if the action took longer than `updateTime` to finish. This helps keep things feeling snappy, and avoids the annoyingness of showing a Loading Bar for fractions of seconds. If you want to show Loading Bar even on quickly finished actions you can pass the `showFastActions` prop: ```jsx ``` ## Reset progress You can dispatch the `resetLoading` action to ultimately hide Loading Bar even when multiple long running tasks are still in progress. ## Tests ```bash npm test ``` ## Contributing In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code. ## Contributors (in chronological order) - [@mironov](https://github.com/mironov) - [@ThomasMarnet](https://github.com/ThomasMarnet) - [@hieuhlc](https://github.com/hieuhlc) - [@josefernand](https://github.com/josefernand) - [@greenpart](https://github.com/greenpart) - [@larrydahooster](https://github.com/larrydahooster) - [@janslow](https://github.com/janslow) - [@vitosamson](https://github.com/vitosamson) - [@seb0zz](https://github.com/seb0zz) - [@neogermi](https://github.com/neogermi) - [@MikeDevice](https://github.com/MikeDevice) - [@Kovensky](https://github.com/Kovensky) - [@dengbupapapa](https://github.com/dengbupapapa) To see what has changed in recent versions of Loading Bar, see the [CHANGELOG](https://github.com/mironov/react-redux-loading-bar/blob/master/CHANGELOG.md). Licensed MIT. Copyright 2016-current Anton Mironov.

			Stars	Issues	Version	Updated	Created	Size
	react-loader				2.4.7	5 years ago	10 years ago
	react-redux-loading-bar		936	11	5.0.8	9 months ago	8 years ago

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