Finally got testing working!

.idea/ed-safari.iml

@@ -8,5 +8,6 @@
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="@types/mocha" level="application" />
   </component>
 </module>

.idea/jsLibraryMappings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptLibraryMappings">
+    <file url="file://$PROJECT_DIR$/test" libraries="{@types/mocha}" />
+    <excludedPredefinedLibrary name="HTML" />
+  </component>
+</project>

babel.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+    presets: [
+        ['@babel/preset-env', {targets: {node: 'current'}}],
+        '@babel/preset-typescript',
+    ],
+};

jest.config.js

@@ -0,0 +1,10 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+    testEnvironment: 'node',
+    "transformIgnorePatterns": [
+        "/node_modules/(?!lodash-es/.*)"
+    ],
+    transform: {
+        '\\.[tj]sx?$': ['babel-jest', { rootMode: 'upward' }],
+    }
+};

package.json

@@ -9,7 +9,8 @@
     "package": "electron-forge package",
     "make": "electron-forge make",
     "publish": "electron-forge publish",
-    "lint": "echo \"No linting configured\""
+    "lint": "echo \"No linting configured\"",
+    "test": "jest"
   },
   "keywords": [],
   "author": {
@@ -22,6 +23,9 @@
     "node 18"
   ],
   "devDependencies": {
+    "@babel/core": "^7.21.8",
+    "@babel/preset-env": "^7.21.5",
+    "@babel/preset-typescript": "^7.21.5",
     "@electron-forge/cli": "^6.1.1",
     "@electron-forge/maker-deb": "^6.1.1",
     "@electron-forge/maker-rpm": "^6.1.1",
@@ -30,12 +34,15 @@
     "@electron-forge/plugin-vite": "^6.1.1",
     "@tsconfig/node-lts": "^18.12.2",
     "@tsconfig/node20": "^1.0.0",
+    "@types/jest": "^29.5.1",
     "@types/lodash-es": "^4.17.7",
     "@types/node": "^20.1.2",
     "@types/tail": "^2.2.1",
     "autoprefixer": "^10.4.14",
+    "babel-jest": "^29.5.0",
     "browserslist": "^4.21.5",
     "electron": "24.2.0",
+    "jest": "^29.5.0",
     "sass": "^1.62.1",
     "typescript": "^5.0.4"
   },

src/models/Safari.ts

@@ -9,89 +9,92 @@ import { Journal } from "./Journal";
 import { Log } from "./Log";
 
 export class Safari {
-    static #instance: Safari;
+  static #instance: Safari;
-    #journalDir?: string;
-    #journalPattern?: string;
-    journal?: Journal;
 
-    #watcher?: any;
+  readonly #journalDir?: string;
+  readonly #journalPattern?: string;
+  journal?: Journal;
 
-    private constructor(isPackaged: boolean) {
+  #watcher?: any;
-        if (!isPackaged && os.platform() === 'linux') { // Account for WSL during development
-            this.#journalDir = "/mnt/c/Users/marle/Saved\ Games/Frontier\ Developments/Elite\ Dangerous/";
 
-        } else if (os.platform() === 'win32') { // Windows
+  private constructor(isPackaged: boolean) {
-            this.#journalDir = path.join(
+    if (!isPackaged && os.platform() === 'linux') { // Account for WSL during development
-                os.homedir(),
+      this.#journalDir = "/mnt/c/Users/marle/Saved\ Games/Frontier\ Developments/Elite\ Dangerous/";
-                'Saved Games',
-                'Frontier Developments',
-                'Elite Dangerous'
-            );
 
-        } else if (os.platform() === 'linux') { // Linux
+    } else if (os.platform() === 'win32') { // Windows
-            this.#journalDir = path.join(
+      this.#journalDir = path.join(
-                os.homedir(),
+          os.homedir(),
-                '.local',
+          'Saved Games',
-                'share',
+          'Frontier Developments',
-                'Steam',
+          'Elite Dangerous'
-                'steamapps',
+      );
-                'compatdata',
-                '359320',
-                'pfx',
-                'drive_c',
-                'steamuser',
-                'Saved Games',
-                'Frontier Developments',
-                'Elite Dangerous',
-            );
-        } else {
-            Log.write(`ERROR: Journal files not found. OS: ${os.platform()}.`);
-        }
 
-        if (this.#journalDir) {
+    } else if (os.platform() === 'linux') { // Linux
-            this.#journalPattern = path.join(this.#journalDir, 'Journal.*.log');
+      this.#journalDir = path.join(
-            this.journal = this.#getLatestJournal();
+          os.homedir(),
-        }
+          '.local',
+          'share',
+          'Steam',
+          'steamapps',
+          'compatdata',
+          '359320',
+          'pfx',
+          'drive_c',
+          'steamuser',
+          'Saved Games',
+          'Frontier Developments',
+          'Elite Dangerous',
+      );
+    } else {
+      Log.write(`ERROR: Journal files not found. OS: ${os.platform()}.`);
     }
 
-    static start(isPackaged: boolean): Safari {
+    if (this.#journalDir) {
-        if (!Safari.#instance) {
+      this.#journalPattern = path.join(this.#journalDir, 'Journal.*.log');
-            Safari.#instance = new Safari(isPackaged);
+      this.journal = this.#getLatestJournal();
-        }
+    }
+  }
 
-        return Safari.#instance;
+  static start(isPackaged: boolean): Safari {
+    if (!Safari.#instance) {
+      Safari.#instance = new Safari(isPackaged);
     }
 
-    /* ------------------------------------------------------------------- #getLatestJournal ---- */
+    return Safari.#instance;
+  }
 
-    // https://stackoverflow.com/questions/15696218/get-the-most-recent-file-in-a-directory-node-js
+  /* ------------------------------------------------------------------- #getLatestJournal ---- */
-    #getLatestJournal(): Journal|undefined {
-        const journals = globSync(this.#journalPattern, {windowsPathsNoEscape: true});
-        const journalPath: string|undefined = _.maxBy(journals, file => fs.statSync(file).mtime);
 
-        if (journalPath) {
+  // https://stackoverflow.com/questions/15696218/get-the-most-recent-file-in-a-directory-node-js
-            Log.write(`New journal file found, now watching ${path.basename(journalPath)}.`);
+  #getLatestJournal(): Journal|undefined {
-            return new Journal(journalPath);
+    // @ts-ignore
-        } else {
+    const journals = globSync(this.#journalPattern, {windowsPathsNoEscape: true});
-            Log.write('ERROR: Unable to find latest journal.');
+    const journalPath: string|undefined = _.maxBy(journals, file => fs.statSync(file).mtime);
-            return;
+
-        }
+    if (journalPath) {
+      Log.write(`New journal file found, now watching ${path.basename(journalPath)}.`);
+      return new Journal(journalPath);
+    } else {
+      Log.write('ERROR: Unable to find latest journal.');
+      return;
     }
+  }
 
-    /* --------------------------------------------------------------------- watchJournalDir ---- */
+  /* --------------------------------------------------------------------- watchJournalDir ---- */
 
-    watchJournalDir(): void {
+  watchJournalDir(): void {
-        const options = {usePolling: true, persistent: true, ignoreInitial: true};
+    const options = {usePolling: true, persistent: true, ignoreInitial: true};
-        this.#watcher = chokidar.watch(this.#journalPattern, options);
+    // @ts-ignore
+    this.#watcher = chokidar.watch(this.#journalPattern, options);
 
-        this.#watcher.on('ready', () => Log.write('Watching journal folder for changes...'));
+    this.#watcher.on('ready', () => Log.write('Watching journal folder for changes...'));
-        this.#watcher.on('add', () => this.journal = this.#getLatestJournal());
+    this.#watcher.on('add', () => this.journal = this.#getLatestJournal());
-    }
+  }
 
-    /* ---------------------------------------------------------------------------- shutdown ---- */
+  /* ---------------------------------------------------------------------------- shutdown ---- */
 
-    async shutdown(): Promise<void> {
+  async shutdown(): Promise<void> {
-        this.journal?.shutdown();
+    this.journal?.shutdown();
-        await this.#watcher.close();
+    await this.#watcher.close();
-    }
+  }
-}
+}

test/Safari.test.ts

@@ -0,0 +1,8 @@
+import {Safari} from '../src/models/Safari';
+
+describe('Safari', function () {
+  it('should return itself', () => {
+    const safari = Safari.start(false);
+    expect(safari).toBeDefined();
+  });
+});

tsconfig.json

@@ -5,5 +5,5 @@
         "lib": ["DOM"]
     },
     "include": ["src"],
-    "exclude": ["node_modules"]
+    "exclude": ["node_modules"],
-}
+}