tsconfig.json

{
  "compilerOptions": {
    /* Basic Options */
    "target": "ES2017" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
    "module": "ESNext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
    "rootDir": "./src" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
    "removeComments": true /* Do not emit comments to output. */,
    "downlevelIteration": true /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */,

    /* Strict Type-Checking Options */
    "strict": true /* Enable all strict type-checking options. */,

    /* Additional Checks */
    "importsNotUsedAsValues": "error",

    /* Module Resolution Options */
    "baseUrl": "./" /* Base directory to resolve non-absolute module names. */,
    "paths": {
      "$utils/*": ["src/utils/*"]
    },
    /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,

    /* Advanced Options */
    "skipLibCheck": true /* Skip type checking of declaration files. */,
    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
  }
}