LibWeb: Add partially functioning Worker API

Add a partial implementation of HTML5 Worker API. Messages can be sent from the inner context externally.
Author: https://github.com/ben-abraham Commit: ae346cff6b Pull-request: https://github.com/SerenityOS/serenity/pull/12391 Reviewed-by: https://github.com/Lubrsi Reviewed-by: https://github.com/alimpfard Reviewed-by: https://github.com/davidot Reviewed-by: https://github.com/linusg
2025-04-26 22:38:51 +00:00 · 2022-02-17 13:31:09 +01:00 · 2022-02-17 13:31:09 +01:00 · ae346cff6b · 2024-07-17 18:37:24 +09:00
commit ae346cff6b
parent b6c3fad078
15 changed files with 659 additions and 3 deletions
--- a/Userland/Libraries/LibWeb/HTML/WorkerDebugConsoleClient.cpp
+++ b/Userland/Libraries/LibWeb/HTML/WorkerDebugConsoleClient.cpp
@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2022, Ben Abraham <ben.d.abraham@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Runtime/Completion.h>
+#include <LibWeb/HTML/WorkerDebugConsoleClient.h>
+
+namespace Web::HTML {
+
+WorkerDebugConsoleClient::WorkerDebugConsoleClient(JS::Console& console)
+    : ConsoleClient(console)
+{
+}
+
+void WorkerDebugConsoleClient::clear()
+{
+    dbgln("\033[3J\033[H\033[2J");
+    m_group_stack_depth = 0;
+    fflush(stdout);
+}
+
+void WorkerDebugConsoleClient::end_group()
+{
+    if (m_group_stack_depth > 0)
+        m_group_stack_depth--;
+}
+
+// 2.3. Printer(logLevel, args[, options]), https://console.spec.whatwg.org/#printer
+JS::ThrowCompletionOr<JS::Value> WorkerDebugConsoleClient::printer(JS::Console::LogLevel log_level, PrinterArguments arguments)
+{
+    String indent = String::repeated("  ", m_group_stack_depth);
+
+    if (log_level == JS::Console::LogLevel::Trace) {
+        auto trace = arguments.get<JS::Console::Trace>();
+        StringBuilder builder;
+        if (!trace.label.is_empty())
+            builder.appendff("{}\033[36;1m{}\033[0m\n", indent, trace.label);
+
+        for (auto& function_name : trace.stack)
+            builder.appendff("{}-> {}\n", indent, function_name);
+
+        dbgln("{}", builder.string_view());
+        return JS::js_undefined();
+    }
+
+    if (log_level == JS::Console::LogLevel::Group || log_level == JS::Console::LogLevel::GroupCollapsed) {
+        auto group = arguments.get<JS::Console::Group>();
+        dbgln("{}\033[36;1m{}\033[0m", indent, group.label);
+        m_group_stack_depth++;
+        return JS::js_undefined();
+    }
+
+    auto output = String::join(" ", arguments.get<Vector<JS::Value>>());
+    m_console.output_debug_message(log_level, output);
+
+    switch (log_level) {
+    case JS::Console::LogLevel::Debug:
+        dbgln("{}\033[36;1m{}\033[0m", indent, output);
+        break;
+    case JS::Console::LogLevel::Error:
+    case JS::Console::LogLevel::Assert:
+        dbgln("{}\033[31;1m{}\033[0m", indent, output);
+        break;
+    case JS::Console::LogLevel::Info:
+        dbgln("{}(i) {}", indent, output);
+        break;
+    case JS::Console::LogLevel::Log:
+        dbgln("{}{}", indent, output);
+        break;
+    case JS::Console::LogLevel::Warn:
+    case JS::Console::LogLevel::CountReset:
+        dbgln("{}\033[33;1m{}\033[0m", indent, output);
+        break;
+    default:
+        dbgln("{}{}", indent, output);
+        break;
+    }
+    return JS::js_undefined();
+}
+
+} // namespace Web::HTML