tsconfig.json

{
  "compilerOptions": {
    /* Basic Options */
    "target": "es5",                          /* 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'. */
    "lib": ["es2015", "dom"],                 /* Specify library files to be included in the compilation. */
    "declaration": true,                      /* Generates corresponding '.d.ts' file. */
    "declarationDir": "./dist",               /* Output directory for generated declaration files. */
    "sourceMap": true,                        /* Generates corresponding '.map' file. */
    "outDir": "./dist/",                      /* Redirect output structure to the directory. */
    /* Strict Type-Checking Options */
    "strict": true,                           /* Enable all strict type-checking options. */
    "noImplicitAny": false,                    /* Raise error on expressions and declarations with an implied 'any' type. */
    "esModuleInterop": true,                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "types": ["node", "jest"],
    "resolveJsonModule": true
  },
  "exclude": [
    "node_modules",
    "dist",
    "demo",
    "**/**.test.ts",
    "**/webpack.config.ts"
  ],
  "compilation": {
    "compiler": {
      "context": "./src",
      "outputPath": "./dist"
    }
  }
}