Function assertIsCloudFunction

src/v2.ts:47–55

(
  cf: CloudFunction<T> | CallableFunction<any, any>
)

}

function assertIsCloudFunction<T extends CloudEvent<unknown>>(
  cf: CloudFunction<T> | CallableFunction<any, any>
): asserts cf is CloudFunction<T> {
  if (!('run' in cf) || !cf.run) {
    throw new Error(
      'This library can only be used with functions written with firebase-functions v3.20.0 and above'
    );
  }
}

/**
 * Takes a v2 cloud function to be tested, and returns a {@link WrappedV2Function}