toolkit/tsconfig.json

{
  "compilerOptions": {
    "esModuleInterop": true,
    "module": "commonjs",
    "strict": true,
    "declaration": true,
    "target": "es6",
    "sourceMap": true,
    "lib": ["es6"]
  },
  "exclude": [
    "node_modules",
    "**/*.test.ts"
  ]
}