Settings as clean architecture

src/background/infrastructures/content-message-client.js

@@ -0,0 +1,12 @@
+import messages from '../../shared/messages';
+
+export default class ContentMessageClient {
+  async broadcastSettingsChanged() {
+    let tabs = await browser.tabs.query({});
+    for (let tab of tabs) {
+      browser.tabs.sendMessage(tab.id, {
+        type: messages.SETTINGS_CHANGED,
+      });
+    }
+  }
+}

src/background/infrastructures/content-message-listener.js

@@ -1,8 +1,10 @@
 import messages from '../../shared/messages';
 import CompletionsController from '../controllers/completions';
+import SettingController from '../controllers/setting';
 
 export default class ContentMessageListener {
   constructor() {
+    this.settingController = new SettingController();
     this.completionsController = new CompletionsController();
   }
 
@@ -22,13 +24,24 @@ export default class ContentMessageListener {
   onMessage(message) {
     switch (message.type) {
     case messages.CONSOLE_QUERY_COMPLETIONS:
-      return this.onConsoleQueryCompletions(message);
+      return this.onConsoleQueryCompletions(message.text);
+    case messages.SETTINGS_QUERY:
+      return this.onSettingsQuery();
+    case messages.SETTINGS_RELOAD:
+      return this.onSettingsReload();
     }
   }
 
-  async onConsoleQueryCompletions(message) {
-    let completions =
-      await this.completionsController.getCompletions(message.text);
+  async onConsoleQueryCompletions(line) {
+    let completions = await this.completionsController.getCompletions(line);
     return Promise.resolve(completions.serialize());
   }
+
+  onSettingsQuery() {
+    return this.settingController.getSetting();
+  }
+
+  onSettingsReload() {
+    return this.settingController.reload();
+  }
 }

src/background/infrastructures/memory-storage.js

@@ -0,0 +1,11 @@
+const db = {};
+
+export default class MemoryStorage {
+  set(name, value) {
+    db[name] = value;
+  }
+
+  get(name) {
+    return db[name];
+  }
+}