tsconfig.json

{
  "compilerOptions": {
    // "strict": true,
    "forceConsistentCasingInFileNames": true,
    "baseUrl": "src",
    "module": "commonjs",
    "target": "es2016",
// 删除重复的 declaration 配置项，保留后面的 declaration: true 即可
    "noImplicitAny": false,
    "removeComments": false,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "sourceMap": true,
// 删除重复的 noUnusedParameters 配置项
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "noUnusedParameters": true,
    "noUnusedLocals": true,
    "declaration": true,
    "declarationDir": "dist",
    "lib": [
      "dom",
      "es2015",
      "es7"
    ]
  },
  "exclude": ["node_modules", "dist"]
}