9 files changed, 52 insertions, 34 deletions
diff --git a/src/background/controllers/AddonEnabledController.ts b/src/background/controllers/AddonEnabledController.ts
index 9a3a521..251af25 100644
--- a/src/background/controllers/AddonEnabledController.ts
+++ b/src/background/controllers/AddonEnabledController.ts
@@ -1,11 +1,13 @@
 import AddonEnabledUseCase from '../usecases/AddonEnabledUseCase';
 
 export default class AddonEnabledController {
+  private addonEnabledUseCase: AddonEnabledUseCase;
+
   constructor() {
     this.addonEnabledUseCase = new AddonEnabledUseCase();
   }
 
-  indicate(enabled) {
+  indicate(enabled: boolean): Promise<any> {
     return this.addonEnabledUseCase.indicate(enabled);
   }
 }
diff --git a/src/background/controllers/CommandController.ts b/src/background/controllers/CommandController.ts
index b113709..f3a6b7f 100644
--- a/src/background/controllers/CommandController.ts
+++ b/src/background/controllers/CommandController.ts
@@ -1,19 +1,23 @@
 import CompletionsUseCase from '../usecases/CompletionsUseCase';
 import CommandUseCase from '../usecases/CommandUseCase';
-import Completions from '../domains/Completions';
+import CompletionGroup from '../domains/CompletionGroup';
 
-const trimStart = (str) => {
+const trimStart = (str: string): string => {
   // NOTE String.trimStart is available on Firefox 61
   return str.replace(/^\s+/, '');
 };
 
 export default class CommandController {
+  private completionsUseCase: CompletionsUseCase;
+
+  private commandIndicator: CommandUseCase;
+
   constructor() {
     this.completionsUseCase = new CompletionsUseCase();
     this.commandIndicator = new CommandUseCase();
   }
 
-  getCompletions(line) {
+  getCompletions(line: string): Promise<CompletionGroup[]> {
     let trimmed = trimStart(line);
     let words = trimmed.split(/ +/);
     let name = words[0];
@@ -45,11 +49,11 @@ export default class CommandController {
     case 'set':
       return this.completionsUseCase.querySet(name, keywords);
     }
-    return Promise.resolve(Completions.empty());
+    return Promise.resolve([]);
   }
 
   // eslint-disable-next-line complexity
-  exec(line) {
+  exec(line: string): Promise<any> {
     let trimmed = trimStart(line);
     let words = trimmed.split(/ +/);
     let name = words[0];
diff --git a/src/background/controllers/FindController.ts b/src/background/controllers/FindController.ts
index caeff98..28959e2 100644
--- a/src/background/controllers/FindController.ts
+++ b/src/background/controllers/FindController.ts
@@ -1,15 +1,17 @@
 import FindUseCase from '../usecases/FindUseCase';
 
 export default class FindController {
+  private findUseCase: FindUseCase;
+
   constructor() {
     this.findUseCase = new FindUseCase();
   }
 
-  getKeyword() {
+  getKeyword(): Promise<string> {
     return this.findUseCase.getKeyword();
   }
 
-  setKeyword(keyword) {
+  setKeyword(keyword: string): Promise<any> {
     return this.findUseCase.setKeyword(keyword);
   }
 }
diff --git a/src/background/controllers/LinkController.ts b/src/background/controllers/LinkController.ts
index 7e395b1..707b28a 100644
--- a/src/background/controllers/LinkController.ts
+++ b/src/background/controllers/LinkController.ts
@@ -1,15 +1,19 @@
 import LinkUseCase from '../usecases/LinkUseCase';
 
 export default class LinkController {
+  private linkUseCase: LinkUseCase;
+
   constructor() {
     this.linkUseCase = new LinkUseCase();
   }
 
-  openToTab(url, tabId) {
-    this.linkUseCase.openToTab(url, tabId);
+  openToTab(url: string, tabId: number): Promise<void> {
+    return this.linkUseCase.openToTab(url, tabId);
   }
 
-  openNewTab(url, openerId, background) {
-    this.linkUseCase.openNewTab(url, openerId, background);
+  openNewTab(
+    url: string, openerId: number, background: boolean,
+  ): Promise<void> {
+    return this.linkUseCase.openNewTab(url, openerId, background);
   }
 }
diff --git a/src/background/controllers/MarkController.ts b/src/background/controllers/MarkController.ts
index 0478369..419a08b 100644
--- a/src/background/controllers/MarkController.ts
+++ b/src/background/controllers/MarkController.ts
@@ -1,15 +1,17 @@
 import MarkUseCase from '../usecases/MarkUseCase';
 
 export default class MarkController {
+  private markUseCase: MarkUseCase;
+
   constructor() {
     this.markUseCase = new MarkUseCase();
   }
 
-  setGlobal(key, x, y) {
-    this.markUseCase.setGlobal(key, x, y);
+  setGlobal(key: string, x: number, y: number): Promise<any> {
+    return this.markUseCase.setGlobal(key, x, y);
   }
 
-  jumpGlobal(key) {
-    this.markUseCase.jumpGlobal(key);
+  jumpGlobal(key: string): Promise<any> {
+    return this.markUseCase.jumpGlobal(key);
   }
 }
diff --git a/src/background/controllers/OperationController.ts b/src/background/controllers/OperationController.ts
index 416aa9c..4e9c106 100644
--- a/src/background/controllers/OperationController.ts
+++ b/src/background/controllers/OperationController.ts
@@ -6,6 +6,16 @@ import TabSelectUseCase from '../usecases/TabSelectUseCase';
 import ZoomUseCase from '../usecases/ZoomUseCase';
 
 export default class OperationController {
+  private findUseCase: FindUseCase;
+
+  private consoleUseCase: ConsoleUseCase;
+
+  private tabUseCase: TabUseCase;
+
+  private tabSelectUseCase: TabSelectUseCase;
+
+  private zoomUseCase: ZoomUseCase;
+
   constructor() {
     this.findUseCase = new FindUseCase();
     this.consoleUseCase = new ConsoleUseCase();
@@ -15,7 +25,7 @@ export default class OperationController {
   }
 
   // eslint-disable-next-line complexity, max-lines-per-function
-  exec(operation) {
+  exec(operation: any): Promise<any> {
     switch (operation.type) {
     case operations.TAB_CLOSE:
       return this.tabUseCase.close(false);
@@ -72,6 +82,7 @@ export default class OperationController {
     case operations.CANCEL:
       return this.consoleUseCase.hideConsole();
     }
+    throw new Error('unknown operation: ' + operation.type);
   }
 }
 
diff --git a/src/background/controllers/SettingController.ts b/src/background/controllers/SettingController.ts
index e895d72..f8b7302 100644
--- a/src/background/controllers/SettingController.ts
+++ b/src/background/controllers/SettingController.ts
@@ -2,16 +2,20 @@ import SettingUseCase from '../usecases/SettingUseCase';
 import ContentMessageClient from '../infrastructures/ContentMessageClient';
 
 export default class SettingController {
+  private settingUseCase: SettingUseCase;
+
+  private contentMessageClient: ContentMessageClient;
+
   constructor() {
     this.settingUseCase = new SettingUseCase();
     this.contentMessageClient = new ContentMessageClient();
   }
 
-  getSetting() {
+  getSetting(): any {
     return this.settingUseCase.get();
   }
 
-  async reload() {
+  async reload(): Promise<any> {
     await this.settingUseCase.reload();
     this.contentMessageClient.broadcastSettingsChanged();
   }
diff --git a/src/background/controllers/VersionController.ts b/src/background/controllers/VersionController.ts
index c596f9b..f402ed0 100644
--- a/src/background/controllers/VersionController.ts
+++ b/src/background/controllers/VersionController.ts
@@ -1,11 +1,13 @@
 import VersionUseCase from '../usecases/VersionUseCase';
 
 export default class VersionController {
+  private versionUseCase: VersionUseCase;
+
   constructor() {
     this.versionUseCase = new VersionUseCase();
   }
 
-  notify() {
-    this.versionUseCase.notify();
+  notify(): void {
+    return this.versionUseCase.notify();
   }
 }
diff --git a/src/background/controllers/version.ts b/src/background/controllers/version.ts
deleted file mode 100644
index ec0f634..0000000
--- a/src/background/controllers/version.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import VersionInteractor from '../usecases/version';
-
-export default class VersionController {
-  constructor() {
-    this.versionInteractor = new VersionInteractor();
-  }
-
-  notifyIfUpdated() {
-    browser.runtime.onInstalled.addListener(() => {
-      return this.versionInteractor.notify();
-    });
-  }
-}