tsconfig.json

{
  "compilerOptions": {
    "module": "esnext",
    "noEmit": true,
    "noEmitOnError": false,
    "declaration": false,
    "declarationMap": false,
    "moduleResolution": "node",
    "target": "es2017",
    "lib": [
      "esnext",
    ],
    "resolveJsonModule": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    // https://www.typescriptlang.org/tsconfig#strict
    "strict": true,
    "strictNullChecks": false,
    "noImplicitAny": false,
    "strictFunctionTypes": false,
    "noUnusedLocals": true,
    "skipLibCheck": true,
    "sourceMap": false,
    "allowJs": true,
    // https://www.typescriptlang.org/tsconfig#composite
    "composite": false,
    // https://www.typescriptlang.org/tsconfig#incremental
    "incremental": false,
    // https://www.typescriptlang.org/tsconfig#preserveWatchOutput
    "preserveWatchOutput": true,
    // https://www.typescriptlang.org/tsconfig#esModuleInterop
    "esModuleInterop": true,
    // https://www.typescriptlang.org/tsconfig#allowSyntheticDefaultImports
    "allowSyntheticDefaultImports": true,
    // https://www.typescriptlang.org/tsconfig#isolatedModules
    "isolatedModules": true,
    /**
     * https://www.typescriptlang.org/tsconfig#useDefineForClassFields
     * https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#the-usedefineforclassfields-flag-and-the-declare-property-modifier
     */
    "useDefineForClassFields": false,
    // https://www.typescriptlang.org/tsconfig#downlevelIteration
    "downlevelIteration": true,
    "forceConsistentCasingInFileNames": true,
  },
  "include": [
    "src",
  ],
  "exclude": [
    "dist",
  ],
  /**
   * these options are overrides used only by ts-node
   * https://github.com/TypeStrong/ts-node
   */
  "ts-node": {
    // It is faster to skip typechecking.
    // Remove if you want ts-node to do typechecking.
    "transpileOnly": true,
    "compilerOptions": {
      "module": "commonjs",
    },
  }
}