tsconfig.json

// https://www.typescriptlang.org/docs/handbook/compiler-options.html#compiler-options
{
  "compilerOptions": {
    // Specify ECMAScript target version
    "target": "es5",
    // Specify module code generation: "None", "CommonJS", "AMD", "System", "UMD", "ES6", "ES2015" or "ESNext".
    "module": "esnext",
    // 严格模式
    "strict": true,
    // Support JSX in .tsx files: "react", "preserve", "react-native". See JSX.
    "jsx": "preserve",
    // Import emit helpers
    "importHelpers": true,
    // esmodule classic node 模块机制
    "moduleResolution": "node",
    // 装饰器 实验性质
    "experimentalDecorators": true,
    // 允许 没有默认导出 export default
    "allowSyntheticDefaultImports": true,
    // 生成.map
    "sourceMap": true,
    "baseUrl": ".",
    "typeRoots": ["./src/shims-vue.d"],
    "types": ["node", "jest", "webpack-env"],
    "paths": {
      "@/*": ["src/*"]
    },
    "lib": ["es2015", "es2016", "es2017", "dom", "dom.iterable", "scripthost"]
  },
  "include": [
    "./src/**/*.ts",
    "./src/**/*.tsx",
    "./src/**/*.vue",
    "./tests/**/*.ts",
    "./tests/**/*.tsx"
  ],
  "exclude": ["node_modules", "build", "*.scss"]
}