配置 typescript

1、webpack 项目（不含 Vue、 React）

安装

npm install webpack webpack-cli typescript ts-loader --save-dev
npm install @types/node @types/webpack --save-dev

相关配置

//  webpack.config.js 
const path = require('path');
module.exports = {
  entry: './src/index.tsx',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx']
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/
      }
    ]
  },
  devtool: 'source-map'
};



//  tsconfig.json
{
  "compilerOptions": {
    "outDir": "./dist/",
    "noImplicitAny": true,
    "module": "es6",
    "target": "es5",
    "allowJs": true,
    "jsx": "react",
    "moduleResolution": "node",
    "sourceMap": true,
    "baseUrl": ".",
    "paths": {
      "*": ["node_modules/*", "src/types/*"]
    }
  },
  "include": ["src/**/*"]
}

2、适配 React 项目

安装

npm install react react-dom
npm install @types/react @types/react-dom --save-dev

相关配置

3、适配 React、eslint

安装

npm install eslint @typescript-eslint/parser 
@typescript-eslint/eslint-plugin eslint-plugin-react 
eslint-plugin-react-hooks eslint-plugin-jsx-a11y --save-dev

相关配置

{
  "parser": "@typescript-eslint/parser",
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:jsx-a11y/recommended"
  ],
  "plugins": ["react", "@typescript-eslint", "jsx-a11y"],
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "rules": {
    "react/react-in-jsx-scope": "off",
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": "warn",
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/no-explicit-any": "off"
  },
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "globals": {
    "React": "writable"
  },
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  }
}