2024-03-18.10.32.47_C.1.1.mp4

npm start

Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.

The page will reload if you make edits.
You will also see any lint errors in the console.

npm run build

Before run npm run build, Please see dll-related information below first.

Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

The build is minified and the filenames include the hashes.
Your app is ready to be deployed!

See the section about deployment for more information.

Packing stable libs in one chunk. (dll vendor) (dllPlugin & dllReferencePlugin)

If you do not need dll vendor chunk, you should delete dll-related configuration in file webpack.rewire.js, delete file ./src/utils/webpack.dll.js, delete build:dll script in package.json,and remove related packages.

NOTICE!!, if you update any dll-packed package version, do not forget to re-run build:dll script.

Code Formatting

prettier is initially supported. if shortcut not valid, please check your IDE setting.

When executing git commit, it would automatically format your changed/staged files.

Resolve Aliases In WebStorm.

Command + left click the module path does not navigate to the right file in WebStorm? try coding assistance

Customizing Environment Variables for Arbitrary Build Environments

You can create an arbitrary build environment by creating a custom .env file and loading it using env-cmd.
https://create-react-app.dev/docs/deployment/#customizing-environment-variables-for-arbitrary-build-environments

Adding Custom Environment Variables

.env. .env.development. .env.production ...

https://create-react-app.dev/docs/adding-custom-environment-variables/.
https://create-react-app.dev/docs/advanced-configuration/.

Analyzing the bundle size. (Visualizing)

1. webpack-bundle-analyzer
   • yarn bulid analyze or npm run build analyze
2. Or the official recommended way --> Analyzing the Bundle Size

ant-design

yarn add antd or npm install antd --save.

• Modularized antd
  1. yarn add babel-plugin-import or npm install babel-plugin-import --save.
  2. In webpack.rewire.js, uncomment below code in webpack.rewire.js:

  babelOptions.plugins.push([
    require.resolve('babel-plugin-import'),
    { libraryName: 'antd', libraryDirectory: 'es', style: true },
  ])

• antd Customizing Theme, less-loader -> modifyVars
  • Customizing theme require less support, first installing related dependencies: less, less-loader, and uncommenting code related to less configuration in webpack.rewire.js

lodash

yarn add lodash or npm install lodash --save.

Recommend importing function through full module path, eg： import debounce from 'lodash/debounce'.

lodash tree shaking

1. Install related dependencies.

   $ npm install lodash-webpack-plugin babel-plugin-lodash --save
   $ # or
   $ yarn add lodash-webpack-plugin babel-plugin-lodash

2. In webpack.rewire.js file, trying to add the following code in the right place:

   // merged this plugin into webpack's property `plugins`.
   const LodashModuleReplacementPlugin = require('lodash-webpack-plugin')
   new LodashModuleReplacementPlugin()
   
   babelOptions.plugins.push([require.resolve('babel-plugin-lodash')])