fix: app.getAppPath() returning default-app path for files or directo…

…ries without package.json

default_app/main.ts

@@ -103,6 +103,13 @@ function loadApplicationPackage (packagePath: string) {
         app.name = packageJson.name
       }
       app._setDefaultAppPaths(packagePath)
+    } else {
+      const stats = fs.statSync(packagePath)
+      if (stats.isDirectory()) {
+        app._setDefaultAppPaths(packagePath)
+      } else if (stats.isFile()) {
+        app._setDefaultAppPaths(path.dirname(packagePath))
+      }
     }
 
     try {

spec-main/api-app-spec.ts

@@ -645,6 +645,26 @@ describe('app module', () => {
     })
   })
 
+  describe('getAppPath', () => {
+    it('works for directories with package.json', async () => {
+      const { appPath } = await runTestApp('app-path')
+      const expectedAppPath = path.resolve(fixturesPath, 'api/app-path')
+      expect(appPath).to.equal(expectedAppPath)
+    })
+
+    it('works for directories without package.json', async () => {
+      const { appPath } = await runTestApp('app-path/no-package-json')
+      const expectedAppPath = path.resolve(fixturesPath, 'api/app-path/no-package-json')
+      expect(appPath).to.equal(expectedAppPath)
+    })
+
+    it('works for files', async () => {
+      const { appPath } = await runTestApp('app-path/main.js')
+      const expectedAppPath = path.resolve(fixturesPath, 'api/app-path')
+      expect(appPath).to.equal(expectedAppPath)
+    })
+  })
+
   describe('getPath(name)', () => {
     it('returns paths that exist', () => {
       const paths = [

spec/fixtures/api/app-path/main.js

@@ -0,0 +1,10 @@
+const { app } = require('electron')
+
+const payload = {
+  appPath: app.getAppPath()
+}
+
+process.stdout.write(JSON.stringify(payload))
+process.stdout.end()
+
+process.exit()

spec/fixtures/api/app-path/no-package-json/index.js

@@ -0,0 +1 @@
+require('../main')

spec/fixtures/api/app-path/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "app-path",
+  "main": "main.js"
+}