feat: support MSIX builds

.github/workflows/test.yml

@@ -18,11 +18,8 @@ jobs:
       matrix:
         node-version:
           - '22.11'
-          - '20.18'
-          - '18.20'
         os:
           - macos-latest
-          - ubuntu-latest
           - windows-latest
     runs-on: '${{ matrix.os }}'
     steps:

package.json

@@ -18,7 +18,7 @@
     "@types/jest": "^29.5.14",
     "@types/ms": "^0.7.31",
     "@types/node": "^22.10.1",
-    "electron": "^39.8.4",
+    "electron": "^41.1.1",
     "husky": "^9.1.7",
     "jest": "^29.0.0",
     "lint-staged": "^16.4.0",

src/index.ts

@@ -166,9 +166,10 @@ function initUpdater(opts: ReturnType<typeof validateInput>) {
   let serverType: 'default' | 'json' = 'default';
   switch (updateSource.type) {
     case UpdateSourceType.ElectronPublicUpdateService: {
+      const formatSegment = process.windowsStore ? '/msix' : '';
       feedURL = `${updateSource.host}/${updateSource.repo}/${process.platform}-${
         process.arch
-      }/${app.getVersion()}`;
+      }${formatSegment}/${app.getVersion()}`;
       break;
     }
     case UpdateSourceType.StaticStorage: {

test/index.test.ts

@@ -66,6 +66,38 @@ describe('updateElectronApp', () => {
     });
   });
 
+  describe('updateFormat', () => {
+    it('includes /msix/ in feed URL when process.windowsStore is true', () => {
+      const original = process.windowsStore;
+      Object.defineProperty(process, 'windowsStore', { value: true, configurable: true });
+      const logSpy = jest.spyOn(console, 'log');
+      updateElectronApp({
+        updateSource: {
+          type: UpdateSourceType.ElectronPublicUpdateService,
+          repo,
+        },
+      });
+      expect(logSpy).toHaveBeenCalledWith('feedURL', expect.stringContaining('/msix/'));
+      logSpy.mockRestore();
+      Object.defineProperty(process, 'windowsStore', { value: original, configurable: true });
+    });
+
+    it('omits format from feed URL when process.windowsStore is falsy', () => {
+      const original = process.windowsStore;
+      Object.defineProperty(process, 'windowsStore', { value: undefined, configurable: true });
+      const logSpy = jest.spyOn(console, 'log');
+      updateElectronApp({
+        updateSource: {
+          type: UpdateSourceType.ElectronPublicUpdateService,
+          repo,
+        },
+      });
+      expect(logSpy).toHaveBeenCalledWith('feedURL', expect.not.stringContaining('/msix/'));
+      logSpy.mockRestore();
+      Object.defineProperty(process, 'windowsStore', { value: original, configurable: true });
+    });
+  });
+
   describe('updateInterval', () => {
     it('must be 5 minutes or more', () => {
       expect(() => {