tsconfig.json

{
  "compilerOptions": {
    "target": "es2017",
    "moduleResolution": "node",
    "module": "commonjs",
    "declaration": false,
    "sourceMap": true,
    "esModuleInterop": true,
    "resolveJsonModule": true,
    "experimentalDecorators": true,
    /* Strictness Checks */
    "alwaysStrict": true,
    "noImplicitAny": true,
    "noUnusedLocals": true,
    "noImplicitThis": true,
    "strictNullChecks": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "strictFunctionTypes": true,
    "strictBindCallApply": true,
    "noFallthroughCasesInSwitch": true,
    "strictPropertyInitialization": true,
    /* Debugging Options */
    "traceResolution": false,
    "listEmittedFiles": false,
    "listFiles": false,
    "pretty": true,
    "lib": [
      "es2017"
    ],
    "outDir": "./build",
    "baseUrl": ".",
    "paths": {
      "@/*": [
        "./*"
      ]
    }
  },
  "compileOnSave": false,
  "include": [
    "**/*.ts",
    "typings/**/*.d.ts"
, "scratch.js"  ],
  "exclude": [
    "node_modules/**"
  ]
}