Error encountered in Angular2: Attempted to access property 'compilerOptions' which is undefined

I encountered a TypeError:

Unable to access the 'compilerOptions' property of undefined

Below is the snippet of my compilerOptions code: 

{
  "compilerOptions": {
    "target": "ES5",
    "module": "commonjs",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "sourceMap": true,
    "noEmitHelpers": true,

  },
  "compileOnSave": false,
  "buildOnSave": false,
  "awesomeTypescriptLoaderOptions": {
    "forkChecker": true,
    "useWebpackText": true
  }
}

Could someone provide insights on why this error is occurring?

angulartypescript

Answer №1

Initially, there seems to be a mistake in the JSON format within your application's .tsconfig.json file. Specifically, there is an unnecessary comma on line 8.

"noEmitHelpers": true, // <-- The extra comma in tscofing disrupts the compilation of TypeScript

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