tsconfig.json

{
    "compilerOptions": {
        "target": "es5",
        "module": "commonjs",
        "removeComments": true,
        "experimentalDecorators": true,
        "noEmitHelpers": true,
        "declaration": true
    },
    "files": [
      "node_modules/tns-core-modules/tns-core-modules.d.ts",
      "node_modules/tns-platform-declarations/tns-core-modules/android17.d.ts",
      "node_modules/tns-platform-declarations/tns-core-modules/ios.d.ts",
      "node_modules/tns-platform-declarations/tns-core-modules/org.nativescript.widgets.d.ts",
      "nativescript-charts.common.ts",
      "nativescript-charts.android.ts", 
      "nativescript-charts.ios.ts",
      "line-chart/line-chart.android.ts"
      
    ],
    "compileOnSave": true,
    "include":[
      "components/**/*",
      "line-chart/**/*"
    ]
}