tsconfig.json

{
  "compilerOptions": {
    "target": "es6",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "allowJs": true,
    "sourceMap": true,                     /* Generates corresponding '.map' file. */
    "outDir": "./bin",                        /* Redirect output structure to the directory. */
    "rootDir": "./",
    "strict": true,                           /* Enable all strict type-checking options. */
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,  /* Disallow inconsistently-cased references to the same file. */
    "baseUrl": "./app",
    "paths": {
      "@providers/*": ["api/providers/*"],
      "@solutions/*": ["solutions/*"],
      "@validators/*": ["api/validators/*"]
  }
  }
}