tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "declaration": true,
    "removeComments": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "allowSyntheticDefaultImports": true,
    "target": "es2017",
    "sourceMap": true,
    "outDir": "./dist",
    "baseUrl": "./",
    "incremental": true,
    "skipLibCheck": true,
    // 检查null和undefined
    "strictNullChecks": true,
    "esModuleInterop": true,
    // 相当于下面两个检查noImplicitAny、strictNullChecks
    "strict": true,
    "noImplicitAny": true /*不能有any类型*/,
    "noImplicitThis": true,
    "noUnusedLocals": true /*定义未使用的时候会有提示*/,
    "noUnusedParameters": true /*检查函数中是否有未使用的变量*/,
    "noImplicitReturns": true /*检查函数否有返回值*/,
    "strictBindCallApply": false,
    "forceConsistentCasingInFileNames": false,
    "noFallthroughCasesInSwitch": false,
    "paths": {
      /*定义别名*/ "@src/*": ["src/*"]
    },
    "typeRoots": [/*类型声明文件*/ "./types", "./node_modules/@types"]
  },
  "include": ["src", "ecosystem.config.js"],
  "exclude": ["node_modules", "dist"]
}