fix: removing the path if object is empty int the resulting spec (#208)

Author: MathurAditya724

src/__tests__/__snapshots__/basic.test.ts.snap

@@ -68,11 +68,7 @@ exports[`basic > hide with a boolean value 1`] = `
     "version": "0.0.0",
   },
   "openapi": "3.1.0",
-  "paths": {
-    "/": {
-      "get": undefined,
-    },
-  },
+  "paths": {},
   "tags": undefined,
 }
 `;
@@ -86,11 +82,7 @@ exports[`basic > hide with a function 1`] = `
     "version": "0.0.0",
   },
   "openapi": "3.1.0",
-  "paths": {
-    "/": {
-      "get": undefined,
-    },
-  },
+  "paths": {},
   "tags": undefined,
 }
 `;

src/utils.ts

@@ -298,7 +298,18 @@ export function removeExcludedPaths(
       }
     }
 
-    newPaths[key] = value;
+    // Build filtered value with only non-null methods
+    const filteredValue: OpenAPIV3_1.PathItemObject = {};
+    for (const method of Object.keys(value)) {
+      if (value[method] != null) {
+        filteredValue[method] = value[method];
+      }
+    }
+
+    // Only add path if it has at least one valid method
+    if (Object.keys(filteredValue).length > 0) {
+      newPaths[key] = filteredValue;
+    }
   }
 
   return newPaths;