fixup! WIP

src/formats/asyncapi.ts

@@ -1,9 +1,6 @@
-import { isObject } from 'lodash';
+import { bearsAStringPropertyNamed } from './bearsAStringPropertyNamed';
 
 type MaybeAsyncApi2 = Partial<{ asyncapi: unknown }>;
 
 export const isAsyncApiv2 = (document: unknown) =>
-  isObject(document) &&
-  'asyncapi' in document &&
-  typeof document.asyncapi === 'string' &&
-  parseFloat(String((document as MaybeAsyncApi2).asyncapi)) === 2;
+  bearsAStringPropertyNamed(document, 'asyncapi') && parseFloat(String((document as MaybeAsyncApi2).asyncapi)) === 2;

src/formats/bearsAStringPropertyNamed.ts

@@ -0,0 +1,5 @@
+import { isObject } from 'lodash';
+
+export const bearsAStringPropertyNamed = (document: unknown, propertyName: string) => {
+  return isObject(document) && propertyName in document && typeof document[propertyName] === 'string';
+};

src/formats/openapi.ts

@@ -1,12 +1,8 @@
-import { isObject } from 'lodash';
+import { bearsAStringPropertyNamed } from './bearsAStringPropertyNamed';
 
 type MaybeOAS2 = Partial<{ swagger: unknown }>;
 type MaybeOAS3 = Partial<{ openapi: unknown }>;
 
-const bearsAStringPropertyNamed = (document: unknown, propertyName: string) => {
-  return isObject(document) && propertyName in document && typeof document[propertyName] === 'string';
-};
-
 export const isOpenApiv2 = (document: unknown) =>
   bearsAStringPropertyNamed(document, 'swagger') && String((document as MaybeOAS2).swagger) === '2.0';