Fixes/undeclared type errors (#14)

Fixes undeclared type errors when generating Swift enumerations, removed the Apollo module name as it doesn’t exist in this context.

Author: stefanceriu

src/swift/codeGeneration.ts

@@ -746,7 +746,7 @@ export class SwiftAPIGenerator extends SwiftGenerator<CompilerContext> {
 
     this.printNewlineIfNeeded();
     this.comment(description);
-    this.printOnNewline(`public enum ${name}: RawRepresentable, Equatable, Apollo.JSONDecodable, Apollo.JSONEncodable`);
+    this.printOnNewline(`public enum ${name}: RawRepresentable, Equatable, JSONDecodable, JSONEncodable`);
     this.withinBlock(() => {
       this.printOnNewline('public typealias RawValue = String')
 

test/swift/__snapshots__/codeGeneration.ts.snap

@@ -1427,7 +1427,7 @@ exports[`Swift code generation #structDeclarationForSelectionSet() should genera
 `;
 
 exports[`Swift code generation #typeDeclarationForGraphQLType() should escape identifiers in cases of enum declaration for a GraphQLEnumType 1`] = `
-"public enum AlbumPrivacies: RawRepresentable, Equatable, Apollo.JSONDecodable, Apollo.JSONEncodable {
+"public enum AlbumPrivacies: RawRepresentable, Equatable, JSONDecodable, JSONEncodable {
   public typealias RawValue = String
   case \`public\`
   case \`private\`
@@ -1504,7 +1504,7 @@ public struct ReviewInput: GraphQLMapConvertible {
 
 exports[`Swift code generation #typeDeclarationForGraphQLType() should generate an enum declaration for a GraphQLEnumType 1`] = `
 "/// The episodes in the Star Wars trilogy
-public enum Episode: RawRepresentable, Equatable, Apollo.JSONDecodable, Apollo.JSONEncodable {
+public enum Episode: RawRepresentable, Equatable, JSONDecodable, JSONEncodable {
   public typealias RawValue = String
   /// Star Wars Episode IV: A New Hope, released in 1977.
   case newhope