Fix flowtype errors

Author: nodkz

src/definition.js

@@ -45,7 +45,7 @@ export type CursorDataType = {
 
 export type GraphQLConnectionType = {
   count: number,
-  edges: [GraphQLConnectionEdgeType],
+  edges: [GraphQLConnectionEdgeType] | [],
   pageInfo: PageInfoType,
 }
 

src/resolvers/connectionResolver.js

@@ -97,6 +97,7 @@ export function prepareConnectionResolver(
       findManyParams.args.sort = sortOptions.sortValue;
 
       if (projection && projection.edges) {
+        // $FlowFixMe
         findManyParams.projection = projection.edges.node || {};
       } else {
         findManyParams.projection = {};

src/types/cursorType.js

@@ -10,6 +10,7 @@ const GraphQLConnectionCursor = new GraphQLScalarType({
   serialize: String,
   parseValue: String,
   parseLiteral(ast) {
+    // $FlowFixMe
     return ast.kind === Kind.STRING ? ast.value : null;
   },
 });