polymer-cli/tsconfig.json

{
  "extends": "../../tsconfig-base.json",
  "compilerOptions": {
    "declaration": false,
    "noUnusedParameters": true,
    "skipLibCheck": true,
    "outDir": "./lib"
  },
  "include": [
    "custom_typings/**/*.d.ts",
    "src/**/*.ts"
  ]
}