tsconfig.json

{
  "compilerOptions": {
    "experimentalDecorators": true,
    "target": "es6",
    /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
    "module": "commonjs",
    /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "jsx": "react",
    "lib": [
      "es2016",
      "es2017",
      "dom"
    ],
    /* Specify library files to be included in the compilation. */
    "outDir": "./dist",
    /* Redirect output structure to the directory. */
    "strict": false,
    /* Enable all strict type-checking options. */
    "esModuleInterop": true,
    /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "baseUrl": ".",
    "paths": {
      "src/*": [
        "./src/*"
      ]
    }
  },
  "exclude": [
    "node_modules",
    "build"
  ]
}