Auto merge of #27443 - mustafapc19:master, r=jdm

console.clear implemented

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #27294  (GitHub issue number if applicable)

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- [ ] There are tests for these changes OR
- [X] These changes do not require tests because it deals with Firefox's devtools.

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components/devtools/actors/console.rs

@@ -272,6 +272,7 @@ impl ConsoleActor {
             LogLevel::Info => "info",
             LogLevel::Warn => "warn",
             LogLevel::Error => "error",
+            LogLevel::Clear => "clear",
             _ => "log",
         }
         .to_owned();

components/devtools_traits/lib.rs

@@ -246,6 +246,7 @@ pub enum LogLevel {
     Info,
     Warn,
     Error,
+    Clear,
 }
 
 #[derive(Clone, Debug, Deserialize, Serialize)]

components/script/dom/console.rs

@@ -72,6 +72,12 @@ impl Console {
         console_messages(global, &messages, LogLevel::Log)
     }
 
+    // https://developer.mozilla.org/en-US/docs/Web/API/Console/clear
+    pub fn Clear(global: &GlobalScope) {
+        let message: Vec<DOMString> = Vec::new();
+        console_messages(global, &message, LogLevel::Clear)
+    }
+
     // https://developer.mozilla.org/en-US/docs/Web/API/Console
     pub fn Debug(global: &GlobalScope, messages: Vec<DOMString>) {
         console_messages(global, &messages, LogLevel::Debug)

components/script/dom/webidls/Console.webidl

@@ -15,6 +15,7 @@ namespace console {
   void warn(DOMString... messages);
   void error(DOMString... messages);
   void assert(boolean condition, optional DOMString message);
+  void clear();
 
   // Grouping
   void group(DOMString... data);