put property names containing non-word characters into quotes

Author: angryziber

src/main/java/jvm2dts/Converter.java

@@ -134,6 +134,7 @@ private void processProperty(String propertyName, Method method, StringBuilder o
       else if (annotationName.equals("JsonProperty")) {
         var overriddenName = (String) annotation.getClass().getMethod("value").invoke(annotation);
         if (!overriddenName.isEmpty()) propertyName = overriddenName;
+        if (!propertyName.matches("^\\w+$")) propertyName = "\"" + propertyName + "\"";
       }
     }
 

src/test/java/jvm2dts/ClassConverterTest.java

@@ -74,6 +74,7 @@ void record() {
     assertThat(converter.convert(Record.class)).isEqualTo("interface Record {" +
       "isCool: boolean; " +
       "hello: string; " +
+      "\"@key\": string; " +
       "notIncluded: boolean; " +
       "world: string;}");
   }
@@ -156,4 +157,5 @@ interface AnyId {
 
 record Record(String hello, String world, boolean isCool) {
   @JsonProperty public boolean notIncluded() { return false; }
+  @JsonProperty("@key") public String key() { return ""; }
 }