tsconfig.base.json

{
    "compilerOptions": {
      "target": "es6",
      "sourceMap": true,
      "module": "commonjs",
      "lib": [
        "es5",
        "es2015.promise",
        "es6",
        "es7",
        "esnext",
        "dom"
      ],
      "baseUrl": ".",
      "paths": {
        "src/*": ["src/*"]
      },
      "noEmit": true,
      "strict": true,
      "noImplicitAny": false,
      "resolveJsonModule": true,
      "esModuleInterop": true,
      "outDir": "./dist",
      "typeRoots": [
        "node_modules/@types"
      ],
      "allowJs": true,
      "checkJs": true,
      "skipLibCheck": true,
      "allowSyntheticDefaultImports": true,
      "forceConsistentCasingInFileNames": true,
      "moduleResolution": "node",
      "isolatedModules": true
    },
    "exclude": [
      "node_modules",
      "./node_modules",
      "./build",
      "./**/*.spec.ts",
      "./**/*.test.ts"
    ]
  }