Function traverse

packages/core/src/testers/testers.ts:480–516

(
  any: JsonSchema | JsonSchema[],
  pred: (obj: JsonSchema) => boolean,
  rootSchema: JsonSchema
)

export const isObjectArrayControl = and(uiTypeIs('Control'), isObjectArray);

const traverse = (
  any: JsonSchema | JsonSchema[],
  pred: (obj: JsonSchema) => boolean,
  rootSchema: JsonSchema
): boolean => {
  if (Array.isArray(any)) {
    return reduce(
      any,
      (acc, el) => acc || traverse(el, pred, rootSchema),
      false
    );
  }

  if (pred(any)) {
    return true;
  }

  if (any.$ref) {
    const toTraverse = resolveSchema(rootSchema, any.$ref, rootSchema);
    if (toTraverse && !toTraverse.$ref) {
      return traverse(toTraverse, pred, rootSchema);
    }
  }

  if (any.items) {
    return traverse(any.items, pred, rootSchema);
  }
  if (any.properties) {
    return reduce(
      toPairs(any.properties),
      (acc, [_key, val]) => acc || traverse(val, pred, rootSchema),
      false
    );
  }

  return false;
};

export const isObjectArrayWithNesting = (
  uischema: UISchemaElement,