Function selectField

src/diff.js:1226–1236

(index, mine, theirs)

  }

  function selectField(index, mine, theirs) {
    if (mine === theirs) {
      return mine;
    } else {
      index.conflict = true;
      return {
        mine: mine,
        theirs: theirs
      };
    }
  }

  function hunkBefore(test, check) {
    return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;