Chain result upto compare method

Author: vishrutshah

lib/validate.js

@@ -29,5 +29,7 @@ exports.compare = function compare(oldSwagger, newSwagger, options) {
   log.filepath = options.logFilepath || log.filepath;
   let openApiDiff = new OpenApiDiff(options);
 
-  return openApiDiff.compare(oldSwagger, newSwagger);
+  return openApiDiff.compare(oldSwagger, newSwagger).then((result, err) => {
+    console.log(result);
+  });
 };

lib/validators/openApiDiff.js

@@ -61,11 +61,11 @@ class OpenApiDiff {
 
     return Promise.all([promise1, promise2]).then(results => {
       return self.processViaOpenApiDiff(results[0], results[1]).then((result, error) => {
-        console.log(result);
-      })
+        return Promise.resolve(result);
+      });
     }).catch(err => {
       console.log(err);
-      process.exit(1);
+      process.exitCode = 1;
     });
   }