LibWeb: Add support HTMLScriptElement.supports

See 33ff054a6c
Author: https://github.com/Lubrsi Commit: https://github.com/SerenityOS/serenity/commit/2f426765a6d Pull-request: https://github.com/SerenityOS/serenity/pull/9787
2021-09-03 21:01:10 +01:00 · 2021-09-03 21:01:10 +01:00 · 2f426765a6 · 2024-07-18 04:49:47 +09:00
commit 2f426765a6
parent ed97ee902b
3 changed files with 33 additions and 0 deletions
--- a/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.h
@ -32,6 +32,12 @@ public:

    virtual void inserted() override;

+    // https://html.spec.whatwg.org/multipage/scripting.html#dom-script-supports
+    static bool supports(String const& type)
+    {
+        return type.is_one_of("classic", "module");
+    }
+
 private:
    void prepare_script();
    void script_became_ready();
--- a/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.idl
+++ b/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.idl
@ -6,6 +6,8 @@ interface HTMLScriptElement : HTMLElement {
    [Reflect] attribute boolean defer;
    [Reflect] attribute DOMString integrity;

+    static boolean supports(DOMString type);
+
    [Reflect] attribute DOMString charset;
    [Reflect] attribute DOMString event;
    [Reflect=for] attribute DOMString htmlFor;
--- a/Userland/Libraries/LibWeb/Tests/HTML/HTMLScriptElement.supports.js
+++ b/Userland/Libraries/LibWeb/Tests/HTML/HTMLScriptElement.supports.js
@ -0,0 +1,25 @@
+describe("HTMLScriptElement.supports", () => {
+    loadLocalPage("/res/html/misc/blank.html");
+
+    afterInitialPageLoad(page => {
+        test("length is 1", () => {
+            expect(page.HTMLScriptElement.supports).toHaveLength(1);
+        });
+
+        test("Basic functionality", () => {
+            expect(page.HTMLScriptElement.supports("classic")).toBeTrue();
+            expect(page.HTMLScriptElement.supports("module")).toBeTrue();
+            expect(page.HTMLScriptElement.supports("abc")).toBeFalse();
+
+            // Is case sensitive.
+            expect(page.HTMLScriptElement.supports("Classic")).toBeFalse();
+            expect(page.HTMLScriptElement.supports("Module")).toBeFalse();
+
+            // Doesn't strip whitespace.
+            expect(page.HTMLScriptElement.supports(" classic ")).toBeFalse();
+            expect(page.HTMLScriptElement.supports(" module ")).toBeFalse();
+        });
+    });
+
+    waitForPageToLoad();
+});