tsconfig.json

{
  "compilerOptions": {
    "baseUrl": "",
    "declaration": false,
    "downlevelIteration": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "lib": ["es7", "dom"], /* es6  es7*/
    "mapRoot": "./",
    "module": "esnext",
    "moduleResolution": "node",
    "outDir": "../dist/out-tsc",
    "sourceMap": true,
    "allowSyntheticDefaultImports": true,
    "target": "es2015",/* "es5", es2016*/
    "typeRoots": [
      "../node_modules/@types"
    ]
  }

/*  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./",
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "downlevelIteration": true,
    "experimentalDecorators": true,
    "module": "esnext",
    "moduleResolution": "node",
    "importHelpers": true,
    "target": "es2015",
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2018",
      "dom"
    ],
    "resolveJsonModule": true,
    "esModuleInterop": true
  },
  "angularCompilerOptions": {
    "fullTemplateTypeCheck": true,
    "strictInjectionParameters": true
  }*/
}