tsconfig.build.json

{
  "compilerOptions": {
    "target": "es5",
    "outDir": "./dist",                                   /* Specify an output folder for all emitted files. */
    "rootDir": "./src",
    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */
    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
    "strict": true,                                      /* Enable all strict type-checking options. */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  },
  "include": ["src"]

}