tsconfig.json

{
  "compilerOptions": {
    "strict": true,
    "noImplicitAny": false /* required for js files */,
    "strictNullChecks": false /* required for js files */,
    "outDir": "./dist",
    "target": "es2018",
    "module": "commonjs",
    "sourceMap": true,
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "resolveJsonModule": false,
    "isolatedModules": true,
    "lib": ["es2018"],
    "types": ["node", "jest"]
  },
  "include": ["lib/**/*", "test/**/*", "tools/**/*.mjs"],
  "exclude": ["node_modules", "./.cache", "./dist", "**/__mocks__/*"]
}