Clipbaord as a clean architecture

src/content/client/TabsClient.ts

@@ -0,0 +1,18 @@
+import * as messages from '../../shared/messages';
+
+export default interface TabsClient {
+  openUrl(url: string, newTab: boolean): Promise<void>;
+
+  // eslint-disable-next-line semi
+}
+
+export class TabsClientImpl {
+  async openUrl(url: string, newTab: boolean): Promise<void> {
+    await browser.runtime.sendMessage({
+      type: messages.OPEN_URL,
+      url,
+      newTab,
+    });
+  }
+}
+