Merge pull request #4 from roman-g/master

Union type can be used as array element type

Author: mifopen

src/LazyCoder/Writers/TsTypeWriter.cs

@@ -66,12 +66,14 @@ public void Write(IKeyboard keyboard,
         private void Write(IKeyboard keyboard,
                            TsUnionType tsUnionType)
         {
+            keyboard.Type("(");
             for (var i = 0; i < tsUnionType.Types.Length; i++)
             {
                 Write(keyboard, tsUnionType.Types[i]);
                 if (i != tsUnionType.Types.Length - 1)
                     keyboard.Type(" | ");
             }
+            keyboard.Type(")");
         }
 
         private void Write(IKeyboard keyboard,

tests/LazyCoder.Tests/TsInterfaceWriterTest.cs

@@ -16,13 +16,16 @@ public void Simple()
                                                {
                                                    new TsPropertySignature { Name = "FirstProperty", Type = TsPredefinedType.Boolean() },
                                                    new TsPropertySignature { Name = "SecondProperty", Type = TsPredefinedType.Number(), Optional = true },
-                                                   new TsPropertySignature { Name = "ThirdProperty", Type = new TsUnionType(TsPredefinedType.String(), new TsNull()) }
+                                                   new TsPropertySignature { Name = "ThirdProperty", Type = new TsUnionType(TsPredefinedType.String(), new TsNull()) },
+                                                   new TsPropertySignature { Name = "FourthProperty", Type = new TsArrayType { ElementType = new TsUnionType(TsPredefinedType.String(), new TsNull()) } }
                                                }
                               };
+
             tsInterface.ShouldBeTranslatedTo("export interface SomeInterface {",
                                              "    FirstProperty: boolean;",
                                              "    SecondProperty?: number;",
-                                             "    ThirdProperty: string | null;",
+                                             "    ThirdProperty: (string | null);",
+                                             "    FourthProperty: (string | null)[];",
                                              "}");
         }
     }