{
  "compilerOptions": {
    "module": "amd",
    "noImplicitAny": true,
    "removeComments": true,
    "preserveConstEnums": true,
    "outDir": "build/",
    "sourceMap": false,
    "types": ["jasmine"]
  },
  "exclude": [
    "node_modules",
    "wwwroot"
  ]
}
{
  "compilerOptions": {
    "module": "amd",
    "noImplicitAny": true,
    "removeComments": true,
    "preserveConstEnums": true,
    "outDir": "build/",
    "sourceMap": false,
    "types": ["jasmine"],
    "target": "ES2017",
  },
  "exclude": [
    "node_modules",
    "wwwroot"
  ]
}
Make supported environment to be ES2017 which means no support for IE11
Make supported environment to be ES2017 which means no support for IE11
