tsconfig.json

{
  "compilerOptions": {
    "baseUrl": "",
    "declaration": true,
    "stripInternal": true,
    "skipLibCheck": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "lib": ["es2015","dom"],
    "module": "es2015",
    "moduleResolution": "node",
    "outDir": "dist/",
    "sourceMap": true,
    "inlineSources": true,
    "target": "es5",
    "typeRoots": [
      "node_modules/@types"
    ],
    "paths": {
      "@angular/core": ["node_modules/@angular/core"],
      "@angular/common": ["node_modules/@angular/common"],
      "@angular/http": ["node_modules/@angular/http"],
      "@angular/router": ["node_modules/@angular/router"],
      "angular-http-interceptor/*": ["node_modules/angular-http-interceptor/*"],
      "core-js/*": ["node_modules/core-js/*"],
      "keycloak-js": ["node_modules/keycloak-js"],
      "rxjs/*": ["node_modules/rxjs/*"]
    }
  },
  "exclude": [
    "node_modules",
    "dist/",
    "**/*-aot.ts"
  ],
  "angularCompilerOptions": {
    "strictMetadataEmit": true
  }
}