@kalamazoo/button/build/tsconfig.json

{
  "extends": "../tsconfig",
  "compilerOptions": {
    "declaration": true,
    "target": "es5",
    "paths": {}
  },
  "include": [
    "../src/**/*.ts",
    "../src/**/*.tsx"
  ],
  "exclude": ["../src/**/__tests__/*"]
}