tsconfig.json

{
  "compilerOptions": {
    "target": "ES2019", 
    "module": "CommonJS",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
    "allowJs": true,                       /* Allow javascript files to be compiled. */
    "sourceMap": true,                        /* Generates corresponding '.map' file. */
    "outDir": "./dist",                       /* Redirect output structure to the directory. */
    "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    "removeComments": true,                   /* Do not emit comments to output. */
    "noEmitOnError": true,
    "strict": true,                           /* Enable all strict type-checking options. */
    "experimentalDecorators": true,           /* Enables experimental support for ES7 decorators. */
    "emitDecoratorMetadata": true,            /* Enables experimental support for emitting type metadata for decorators. */
    "skipLibCheck": true,                     /* Skip type checking of declaration files. */
    "forceConsistentCasingInFileNames": true,  /* Disallow inconsistently-cased references to the same file. */
    "lib": [
        "es5", "es6", "dom", "dom.iterable"
    ]
  },
  "include": [
    "./**/*.ts"
  ]
}