{
  "compilerOptions": {
    "jsx": "react",
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": false,
    "suppressImplicitAnyIndexErrors": true,
    "outDir": "<%= DIST_DIR %>app",
    "lib": ["es2015", "es2017", "dom"],
    "typeRoots": [
      "node_modules/@types"
    ],
    "allowJs": true,
    "checkJs": true
  },
  "include": [
    "src/main/webapp/app/typing.d.ts",
    "<%= MAIN_SRC_DIR %>app/**/*",
    "<%= TEST_SRC_DIR %>**/*"
  ]
}

{
  "compilerOptions": {
    "jsx": "react",
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": false,
    "suppressImplicitAnyIndexErrors": true,
    "outDir": "<%= DIST_DIR %>app",
    "lib": ["es2015", "es2017", "dom"],
    "typeRoots": [
      "node_modules/@types"
    ],
    "allowJs": true,
    "checkJs": true
  },
  "include": [
    "<%= MAIN_SRC_DIR %>app/**/*",
    "<%= TEST_SRC_DIR %>**/*"
  ]
}

Remove script that is already included (see the line below)
Remove script that is already included (see the line below)

This helps to have Yarn working (you still need to do "npm install" before, weird...)
