Angular 2 Cannot read property 'config' of null

Question

I have a issue with Angular 2. When i want to start server it get this:

$ ng serve
Cannot read property \'config\' of null
TypeError: Cannot read property \'         


        

Answer 1

http://javasampleapproach.com/aws/angular-4-amazon-s3-example-how-to-upload-file-to-s3-bucket

in your tsconfig.app.json file put this

{
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "outDir": "../out-tsc/app",
    "baseUrl": "./",
    "module": "es2015",
    "types": ["node"] 
  },
  "exclude": [
    "test.ts",
    "**/*.spec.ts"
  ]
}