From 1fe7984160d8837664373c46d144dee67282d07f Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Fri, 9 Dec 2022 23:55:28 +0000
Subject: [PATCH] LibJS: Add spec comments to Value::is_regexp()

---
 Userland/Libraries/LibJS/Runtime/Value.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Userland/Libraries/LibJS/Runtime/Value.cpp b/Userland/Libraries/LibJS/Runtime/Value.cpp
index 3dcbc53722..cd38627cf0 100644
--- a/Userland/Libraries/LibJS/Runtime/Value.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Value.cpp
@@ -277,13 +277,19 @@ bool Value::is_constructor() const
 // 7.2.8 IsRegExp ( argument ), https://tc39.es/ecma262/#sec-isregexp
 ThrowCompletionOr<bool> Value::is_regexp(VM& vm) const
 {
+    // 1. If argument is not an Object, return false.
     if (!is_object())
         return false;
 
+    // 2. Let matcher be ? Get(argument, @@match).
     auto matcher = TRY(as_object().get(*vm.well_known_symbol_match()));
+
+    // 3. If matcher is not undefined, return ToBoolean(matcher).
     if (!matcher.is_undefined())
         return matcher.to_boolean();
 
+    // 4. If argument has a [[RegExpMatcher]] internal slot, return true.
+    // 5. Return false.
     return is<RegExpObject>(as_object());
 }