Keymaps as a clean architecture [WIP]

src/content/client/BackgroundClient.ts

@@ -0,0 +1,11 @@
+import * as operations from '../../shared/operations';
+import * as messages from '../../shared/messages';
+
+export default class BackgroundClient {
+  execBackgroundOp(op: operations.Operation): Promise<void> {
+    return browser.runtime.sendMessage({
+      type: messages.BACKGROUND_OPERATION,
+      operation: op,
+    });
+  }
+}