feat: add CSSStyleSheet.prototype.media

Author: Lodin

src/ConstructedStyleSheet.ts

@@ -219,6 +219,17 @@ defineProperty(proto, 'cssRules', {
   },
 });
 
+defineProperty(proto, 'media', {
+  configurable: true,
+  enumerable: true,
+  get: function media() {
+    // CSSStyleSheet.prototype.media;
+    checkInvocationCorrectness(this);
+
+    return $basicStyleElement.get(this)!.sheet!.media;
+  },
+});
+
 cssStyleSheetMethods.forEach((method) => {
   proto[method] = function () {
     const self = this;

test/polyfill.test.ts

@@ -51,6 +51,7 @@ describe('Constructible Style Sheets polyfill', () => {
     describe('basic', () => {
       it('has replace and replaceSync methods', () => {
         expect(sheet.cssRules).toBeDefined();
+        expect(sheet.media).toBeDefined();
         expect(sheet.replace).toBeDefined();
         expect(sheet.replaceSync).toBeDefined();
       });
@@ -99,6 +100,12 @@ describe('Constructible Style Sheets polyfill', () => {
             illegalPattern,
           );
         });
+
+        it('media', () => {
+          expect(() => CSSStyleSheet.prototype.media).toThrowError(
+            illegalPattern,
+          );
+        });
       });
     });