reactopt

一个 React 性能优化 CLI 工具,能够发现潜在的没必要的渲染工作

reactopt

reactopt

npm version

A CLI React performance optimization tool that identifies potential unnecessary re-rendering.

About

Reactopt identifies specific events that may be causing unnecessary re-rendering of components in your application, and which components may benefit from utilizing shouldComponentUpdate.

Prior to React 16, the module react-addons-perf helped identify locations that developers may want to implement shouldComponentUpdate to limit over-rendering. However, since the module is no longer supported we created Reactopt to fill the gap, and also provide increased functionality for any version of React.

Upon initiating Reactopt, your application will be launched in a browser for you to interact with. After you're finished and type 'done', you will see an audit on your application's component performance.

1.5.0 is the first working verison of this module.

Current Events Supported:

  • Click/Double Click
  • Drag
  • KeyPress
  • KeyDown
  • Input

We welcome contributions that add additional functionality.

reactopt-screenshot

Install and Use

npm install

npm install --save-dev reactopt

Include this code at the top of your main React component file (our module is meant to be used in development mode):

import React from 'react'

if (process.env.NODE_ENV !== 'production') {
    const { reactopt } = require('reactopt');
    reactopt(React);
}

Include this script in your package.json:

"reactopt": "node node_modules/reactopt/main.js"

Run command

npm run reactopt localhost:####

Team

This module was created by Candace Rogers, Pam Lam, Vu Phung, Selina Zawacki

Contact

Like our app, found a bug?

Let us know!

reactopt@gmail.com

Visit us at www.reactopt.com

Credit

Utilizes a modified version of (why-did-you-update by maicki)

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