tsconfig.json

{
    "compilerOptions": {
      "baseUrl": ".",
      "paths": {
        "igniteui-core/*": ["node_modules/@infragistics/igniteui-react-core/ES5/*"],
        "igniteui-charts/*": ["node_modules/@infragistics/igniteui-react-charts/ES5/*"],
        "igniteui-grids/*": ["node_modules/@infragistics/igniteui-react-grids/ES5/*"],
        "igniteui-gauges/*": ["node_modules/@infragistics/igniteui-react-gauges/ES5/*"],
        "igniteui-datasources/*": ["node_modules/@infragistics/igniteui-react-datasources/ES5/*"]
      },
      "outDir": "dist",
      "module": "esnext",
      "target": "es5",
      "lib": ["es6", "dom", "scripthost"],
      "sourceMap": true,
      "allowJs": true,
      "jsx": "preserve",
      "moduleResolution": "node",
      "rootDir": "src",
      "noImplicitReturns": true,
      "noImplicitThis": false,
      "noImplicitAny": false,
      "importHelpers": true,
      "downlevelIteration": true,
      "suppressImplicitAnyIndexErrors": true
    },
    "exclude": [
      "node_modules",
      "build",
      "gulpfile.js",
      "dist",
      "tmp"
    ]
  }