fix: const generation for not string types (#2333)

packages/quicktype-core/src/input/JSONSchemaInput.ts

@@ -914,10 +914,9 @@ async function addTypesInSchema(
 
  const includeObject = enumArray === undefined && !isConst && (typeSet === undefined || typeSet.has("object"));
  const includeArray = enumArray === undefined && !isConst && (typeSet === undefined || typeSet.has("array"));
- const needStringEnum =
- includedTypes.has("string") &&
- enumArray !== undefined &&
- enumArray.find((x: any) => typeof x === "string") !== undefined;
+ const enumArrayHasString =
+ enumArray !== undefined && enumArray.find((x: any) => typeof x === "string") !== undefined;
+ const needStringEnum = includedTypes.has("string") && (enumArrayHasString || isConst);
  const needUnion =
  typeSet !== undefined ||
  schema.properties !== undefined ||
@@ -952,7 +951,9 @@ async function addTypesInSchema(
  combineProducedAttributes(({ forString }) => forString)
  );
 
- if (needStringEnum || isConst) {
+ if (needStringEnum) {
+ // FIXME: Currently isConst only works for string values because the name generation only works with strings
+ // to fix this issue the cases below have to support all types.
  const cases = isConst
  ? [schema.const]
  : ((enumArray as any[]).filter(x => typeof x === "string") as string[]);