* エクスポートファイパスを渡す所を引数にした

* 変数、関数名修正
* いくつかの構造をクラス化

src/background.ts

@@ -44,6 +44,7 @@ import EngineManager from "./background/engineManager";
 import VvppManager, { isVvppFile } from "./background/vvppManager";
 import configMigration014 from "./background/configMigration014";
 import { failure, success } from "./type/result";
+import { RuntimeInfoManager } from "./shared/RuntimeInfoManager";
 import { ipcMainHandle, ipcMainSend } from "@/electron/ipc";
 import { getConfigManager } from "@/background/electronConfig";
 
@@ -145,10 +146,7 @@ if (!fs.existsSync(vvppEngineDir)) {
   fs.mkdirSync(vvppEngineDir);
 }
 
-const exportEngineInfoFilename = path.join(
-  app.getPath("userData"),
-  "runtime-info.json"
-);
+const runtimeInfoPath = new RuntimeInfoManager(app.getPath("userData"));
 
 const onEngineProcessError = (engineInfo: EngineInfo, error: Error) => {
   const engineId = engineInfo.uuid;
@@ -172,7 +170,7 @@ const engineManager = new EngineManager({
   defaultEngineDir: appDirPath,
   vvppEngineDir,
   onEngineProcessError,
-  exportEngineInfoFilename,
+  runtimeInfoPath,
 });
 const vvppManager = new VvppManager({ vvppEngineDir });
 

src/background/engineManager.ts

@@ -27,6 +27,10 @@ import {
 } from "@/type/preload";
 import { AltPortInfos } from "@/store/type";
 import { BaseConfigManager } from "@/shared/ConfigManager";
+import {
+  OutputInfoDataFor3rdParty,
+  RuntimeInfoManager,
+} from "@/shared/RuntimeInfoManager";
 
 type EngineProcessContainer = {
   willQuitEngine: boolean;
@@ -62,7 +66,7 @@ export class EngineManager {
   defaultEngineDir: string;
   vvppEngineDir: string;
   onEngineProcessError: (engineInfo: EngineInfo, error: Error) => void;
-  exportEngineInfoFilename: string;
+  runtimeInfoPath: RuntimeInfoManager;
 
   defaultEngineInfos: EngineInfo[] = [];
   additionalEngineInfos: EngineInfo[] = [];
@@ -75,19 +79,19 @@ export class EngineManager {
     defaultEngineDir,
     vvppEngineDir,
     onEngineProcessError,
-    exportEngineInfoFilename,
+    runtimeInfoPath,
   }: {
     configManager: BaseConfigManager;
     defaultEngineDir: string;
     vvppEngineDir: string;
     onEngineProcessError: (engineInfo: EngineInfo, error: Error) => void;
-    exportEngineInfoFilename: string;
+    runtimeInfoPath: RuntimeInfoManager;
   }) {
     this.configManager = configManager;
     this.defaultEngineDir = defaultEngineDir;
     this.vvppEngineDir = vvppEngineDir;
     this.onEngineProcessError = onEngineProcessError;
-    this.exportEngineInfoFilename = exportEngineInfoFilename;
+    this.runtimeInfoPath = runtimeInfoPath;
     this.engineProcessContainers = {};
   }
 
@@ -216,7 +220,7 @@ export class EngineManager {
       await this.runEngine(engineInfo.uuid);
     }
 
-    await this.writeEngineInfoFor3rdParty();
+    await this.writeEngineInfosFor3rdParty();
   }
 
   /**
@@ -476,7 +480,7 @@ export class EngineManager {
         );
 
         this.runEngine(engineId);
-        this.writeEngineInfoFor3rdParty();
+        this.writeEngineInfosFor3rdParty();
         resolve();
         return;
       }
@@ -490,7 +494,7 @@ export class EngineManager {
         log.info(`ENGINE ${engineId}: Process killed. Restarting process...`);
 
         this.runEngine(engineId);
-        this.writeEngineInfoFor3rdParty();
+        this.writeEngineInfosFor3rdParty();
         resolve();
       };
 
@@ -562,28 +566,18 @@ export class EngineManager {
   /**
    * サードパーティ向けの設定ファイルを書き出す
    */
-  async writeEngineInfoFor3rdParty() {
+  async writeEngineInfosFor3rdParty() {
     await this.lock.acquire(this.lockKey, async () => {
       log.info(`Engine information file (runtime-info.json) has been updated.`);
 
       const engineInfos = this.fetchEngineInfos();
-      const engineInfoList = engineInfos.map((engineInfo) => {
-        return {
-          uuid: engineInfo.uuid,
-          host: engineInfo.host,
-          name: engineInfo.name,
-          path: engineInfo.path,
-          executionEnabled: engineInfo.executionEnabled,
-          executionFilePath: engineInfo.executionFilePath,
-          executionArgs: engineInfo.executionArgs,
-          type: engineInfo.type,
-        };
-      });
+      const outputInfoData = new OutputInfoDataFor3rdParty(app.getVersion());
 
+      // ファイルに書き出すデータをつくる
       try {
         await fs.promises.writeFile(
-          this.exportEngineInfoFilename,
-          JSON.stringify(engineInfoList)
+          this.runtimeInfoPath.getRuntimeInfoPath(),
+          JSON.stringify(outputInfoData.getOutputInfoData(engineInfos))
         );
       } catch (e) {
         // ディスクの空き容量がない、他ツールからのファイルロック時をトラップ。

src/shared/RuntimeInfoManager.ts

@@ -0,0 +1,96 @@
+import path from "path";
+import { EngineId, EngineInfo } from "@/type/preload";
+/**
+ * サードパーティ向けランタイム情報のエクスポート情報クラス
+ */
+export class RuntimeInfoManager {
+  private runtimeInfoPath: string;
+
+  constructor(userDataPath: string) {
+    this.runtimeInfoPath = path.join(userDataPath, "runtime-info.json");
+  }
+
+  /**
+   * サードパーティ向けランタイム情報のファイルパスを取得する
+   */
+  public getRuntimeInfoPath(): string {
+    return this.runtimeInfoPath;
+  }
+}
+
+/**
+ * サードパーティ向けランタイム情報のレコード定義
+ * Note:変更時はOutputInfoDataFor3rdPartyのバージョン定義も変更すること
+ */
+export interface EngineInfoRecordFor3rdParty {
+  uuid: EngineId;
+  url: string;
+  name: string;
+  path: string | undefined;
+  executionEnabled: boolean;
+  executionFilePath: string;
+  executionArgs: Array<string>;
+  type: string;
+}
+
+/**
+ * サードパーティ向けランタイム情報のレコード定義
+ * Note:変更時はOutputInfoDataFor3rdPartyのバージョン定義も変更すること
+ */
+export interface EngineInfoFormatFor3rdParty {
+  versions: {
+    fileFormat: string;
+    VOICEVOX: string;
+  };
+  engineInfos: EngineInfoRecordFor3rdParty[];
+}
+
+/**
+ * サードパーティ向けランタイム情報のエクスポートフォーマットクラス
+ */
+export class OutputInfoDataFor3rdParty {
+  private VOICEVOXVersion: string;
+
+  constructor(VOICEVOXVersion: string) {
+    this.VOICEVOXVersion = VOICEVOXVersion;
+  }
+
+  /**
+   * サードパーティ向けランタイム情報のフォーマットバージョン
+   * Note: 破壊的変更（削除、型変更）があった場合にメジャーバージョンを上げる
+   *       互換性のある変更（追加）があった場合にマイナーバージョンを上げる
+   */
+  private fileFormatVersion = "1.0";
+
+  /**
+   * サードパーティ向けに提供するデータを取得
+   */
+  public getOutputInfoData(
+    engineInfos: EngineInfo[]
+  ): EngineInfoFormatFor3rdParty {
+    const engineInfoList: EngineInfoRecordFor3rdParty[] = engineInfos.map(
+      (engineInfo) => {
+        return {
+          uuid: engineInfo.uuid,
+          url: engineInfo.host,
+          name: engineInfo.name,
+          path: engineInfo.path,
+          executionEnabled: engineInfo.executionEnabled,
+          executionFilePath: engineInfo.executionFilePath,
+          executionArgs: engineInfo.executionArgs,
+          type: engineInfo.type,
+        };
+      }
+    );
+
+    const engineInfoFormatFor3rdParty: EngineInfoFormatFor3rdParty = {
+      versions: {
+        fileFormat: this.fileFormatVersion,
+        VOICEVOX: this.VOICEVOXVersion,
+      },
+      engineInfos: engineInfoList,
+    };
+
+    return engineInfoFormatFor3rdParty;
+  }
+}