LibJS: Implement a nearly empty Intl.DisplayNames object

This adds plumbing for the Intl.DisplayNames object, constructor, and prototype.
Author: https://github.com/trflynn89 Commit: https://github.com/SerenityOS/serenity/commit/0fb4e8b749d Pull-request: https://github.com/SerenityOS/serenity/pull/9599 Reviewed-by: https://github.com/alimpfard Reviewed-by: https://github.com/davidot Reviewed-by: https://github.com/linusg ✅
2026-04-27 18:17:22 +02:00 · 2021-08-24 22:27:05 -04:00 · 2024-07-18 05:15:39 +09:00
parent 137e98cb6f
commit 0fb4e8b749
12 changed files with 325 additions and 1 deletions
--- a/Userland/Libraries/LibJS/Runtime/Intl/DisplayNames.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Intl/DisplayNames.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/Intl/DisplayNames.h>
+
+namespace JS::Intl {
+
+// 12 DisplayNames Objects, https://tc39.es/ecma402/#intl-displaynames-objects
+DisplayNames::DisplayNames(Object& prototype)
+    : Object(prototype)
+{
+}
+
+void DisplayNames::set_style(StringView style)
+{
+    if (style == "narrow"sv) {
+        m_style = Style::Narrow;
+    } else if (style == "short"sv) {
+        m_style = Style::Short;
+    } else if (style == "long"sv) {
+        m_style = Style::Long;
+    } else {
+        VERIFY_NOT_REACHED();
+    }
+}
+
+StringView DisplayNames::style_string() const
+{
+    switch (m_style) {
+    case Style::Narrow:
+        return "narrow"sv;
+    case Style::Short:
+        return "short"sv;
+    case Style::Long:
+        return "long"sv;
+    default:
+        VERIFY_NOT_REACHED();
+    }
+}
+
+void DisplayNames::set_type(StringView type)
+{
+    if (type == "language"sv) {
+        m_type = Type::Language;
+    } else if (type == "region"sv) {
+        m_type = Type::Region;
+    } else if (type == "script"sv) {
+        m_type = Type::Script;
+    } else if (type == "currency"sv) {
+        m_type = Type::Currency;
+    } else {
+        VERIFY_NOT_REACHED();
+    }
+}
+
+StringView DisplayNames::type_string() const
+{
+    switch (m_type) {
+    case Type::Language:
+        return "language"sv;
+    case Type::Region:
+        return "region"sv;
+    case Type::Script:
+        return "script"sv;
+    case Type::Currency:
+        return "currency"sv;
+    default:
+        VERIFY_NOT_REACHED();
+    }
+}
+
+void DisplayNames::set_fallback(StringView fallback)
+{
+    if (fallback == "none"sv) {
+        m_fallback = Fallback::None;
+    } else if (fallback == "code"sv) {
+        m_fallback = Fallback::Code;
+    } else {
+        VERIFY_NOT_REACHED();
+    }
+}
+
+StringView DisplayNames::fallback_string() const
+{
+    switch (m_fallback) {
+    case Fallback::None:
+        return "none"sv;
+    case Fallback::Code:
+        return "code"sv;
+    default:
+        VERIFY_NOT_REACHED();
+    }
+}
+
+}