gns3-web-ui/tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./",
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "module": "es2015",
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "importHelpers": true,
    "target": "es5",
    "typeRoots": [
      "node_modules/@types"
    ],
    // below is fix for angular-cli to support core-js >= 3.0
    "paths": {
      "core-js/es7/reflect": ["../node_modules/core-js/proposals/reflect-metadata"],
      "core-js/es6/*": ["../node_modules/core-js/es/*"]
    },
    "lib": [
      "es2018",
      "dom"
    ],
  },
  "include": [
    "./src/**/*",
  ]
}