detect openapi3 properly (#2700)

src/autorest-core/lib/autorest-core.ts

@@ -159,7 +159,7 @@ export class AutoRest extends EventEmitter {
  * @returns Promise<DocumentType> one of:
  *  -  DocumentType.LiterateConfiguration - contains the magic string '\n> see https://aka.ms/autorest'
  *  -  DocumentType.OpenAPI2 - $.swagger === "2.0"
- *  -  DocumentType.OpenAPI3 - $.openapi === "3.0"
+ *  -  DocumentType.OpenAPI3 - $.openapi === "3.0.0"
  *  -  DocumentType.Unknown - content does not match a known document type
  * 
  * @see {@link DocumentType}
@@ -188,7 +188,7 @@ export async function IdentifyDocument(content: string): Promise<DocumentType> {
     }
     if (doc) {
       return (doc.swagger && doc.swagger === "2.0") ? DocumentType.OpenAPI2 :
-        (doc.openapi && doc.openapi === "3.0") ? DocumentType.OpenAPI3 :
+        (doc.openapi && doc.openapi === "3.0.0") ? DocumentType.OpenAPI3 :
           DocumentType.Unknown;
     }
   }

src/autorest/interfaces/autorest-core.d.ts

@@ -349,7 +349,7 @@ export class AutoRest extends EventEmitter {
  * @returns Promise<DocumentType> one of:
  *  -  DocumentType.LiterateConfiguration - contains the magic string '\n> see https://aka.ms/autorest'
  *  -  DocumentType.OpenAPI2 - $.swagger === "2.0"
- *  -  DocumentType.OpenAPI3 - $.openapi === "3.0"
+ *  -  DocumentType.OpenAPI3 - $.openapi === "3.0.0"
  *  -  DocumentType.Unknown - content does not match a known document type
  *
  * @see {@link DocumentType}

src/autorest/main.ts

@@ -234,7 +234,7 @@ export async function isConfigurationDocument(content: string): Promise<boolean>
  * @returns Promise<DocumentType> one of:
  *  -  DocumentType.LiterateConfiguration - contains the magic string '\n> see https://aka.ms/autorest'
  *  -  DocumentType.OpenAPI2 - $.swagger === "2.0"
- *  -  DocumentType.OpenAPI3 - $.openapi === "3.0"
+ *  -  DocumentType.OpenAPI3 - $.openapi === "3.0.0"
  *  -  DocumentType.Unknown - content does not match a known document type
  * 
  * @see {@link DocumentType}