When using relayStylePagination it's possible that the edges are not requested. In my specific case the api I'm integrating with incorrectly returns an empty list of edges in some cases.

The pageInfo however does contain correct endCursor and startCursor values.

The problem with the way that relayStylePagination is implemented is that the startCursor and endCursor will be overridden with an empty string "" instead of honoring the pageInfo sent by the API.

This change includes a test showing the problem (932bcfb) which fails with the state I am seeing:

    expect(received).toEqual(expected) // deep equality

    - Expected  - 2
    + Received  + 2

      Object {
        "edges": Array [],
        "pageInfo": Object {
    -     "endCursor": "xyz",
    +     "endCursor": "",
          "hasNextPage": true,
          "hasPreviousPage": false,
    -     "startCursor": "abc",
    +     "startCursor": "",
        },
      }

The fix in 9ab6311 honors the pageInfo values.