lib: Update lib/internal/util/inspect.js

Co-authored-by: Ruben Bridgewater <[email protected]>

Author: miguelmarcondesf

lib/internal/util/inspect.js

@@ -1031,10 +1031,20 @@ function getPrefix(constructor, tag, fallback, size = '') {
     return `[${fallback}${size}: null prototype] `;
   }
 
-  if (tag !== '' && !constructor.includes(tag)) {
-    return `${constructor}${size} [${tag}] `;
+  let result = `${constructor}${size} `;
+  if (tag !== '') {
+    const position =  constructor.indexOf(tag);
+    if (position === -1) {
+      result += `[${tag}] `;
+    } else {
+      const endPos = position + tag.length;
+      if (endPos !== constructor.length &&
+        constructor[endPos + 1] === constructor[endPos + 1].toLowerCase()) {
+        result += `[${tag}] `;
+      }
+    }
   }
-  return `${constructor}${size} `;
+  return result;
 }
 
 // Look up the keys of the object.