workbox-background-sync/tsconfig.json

{
  "extends": "../../tsconfig",
  "compilerOptions": {
    "outDir": "./",
    "rootDir": "./src",
    "tsBuildInfoFile": "./tsconfig.tsbuildinfo"
  },
  "include": ["src/**/*.ts"],
  "references": [{"path": "../workbox-core/"}]
}