tsconfig.json

{
  "compilerOptions": {
    "declaration": true,
    "target": "es2019",
    "module": "commonjs",
    "rootDir": ".",
    "outDir": "dist",
    "esModuleInterop": true,
    "strict": true
  },
  "files": [
    "index.ts",
    "tests.ts",
    "hardhat.config.ts"
  ]
}