message: Fix up MutationChildProps
diff: @@ -18,9 +18,9 @@ interface MutationHandlerState {
  }
  interface MutationChildProps extends MutationHandlerState {
  - executeMutation: <Data = any>(
  - variables?: object
  - ) => Promise<OperationResult<Data>>;
  + executeMutation: <T = any, V = object>(
  + variables?: V
  + ) => Promise<OperationResult<T>>;
  }
  class MutationHandler extends Component<
  @@ -40,14 +40,14 @@ class MutationHandler extends Component<
  });
  }
  - executeMutation = (variables?: object): Promise<OperationResult> => {
  + executeMutation: MutationChildProps['executeMutation'] = variables => {
  this.setState({
  fetching: true,
  error: undefined,
  data: undefined,
  });
  - const request = createRequest(this.props.query, variables);
  + const request = createRequest(this.props.query, variables as any);
  return pipe(
  this.props.client.executeMutation(request),
  