feat: bump minimum node version to 16 and add tests (#86)

* build: add tests

* build: bump deps

* sigh

* build: install rosetta on m1

jest.setup.ts

@@ -0,0 +1,57 @@
+import { downloadArtifact } from '@electron/get';
+import * as zip from 'cross-zip';
+import * as fs from 'fs-extra';
+import * as path from 'path';
+
+const asarsDir = path.resolve(__dirname, 'test', 'fixtures', 'asars');
+const appsDir = path.resolve(__dirname, 'test', 'fixtures', 'apps');
+
+const templateApp = async (
+  name: string,
+  arch: string,
+  modify: (appPath: string) => Promise<void>,
+) => {
+  const electronZip = await downloadArtifact({
+    artifactName: 'electron',
+    version: '27.0.0',
+    platform: 'darwin',
+    arch,
+  });
+  const appPath = path.resolve(appsDir, name);
+  zip.unzipSync(electronZip, appsDir);
+  await fs.rename(path.resolve(appsDir, 'Electron.app'), appPath);
+  await fs.remove(path.resolve(appPath, 'Contents', 'Resources', 'default_app.asar'));
+  await modify(appPath);
+};
+
+export default async () => {
+  await fs.remove(appsDir);
+  await fs.mkdirp(appsDir);
+  await templateApp('Asar.app', 'arm64', async (appPath) => {
+    await fs.copy(
+      path.resolve(asarsDir, 'app.asar'),
+      path.resolve(appPath, 'Contents', 'Resources', 'app.asar'),
+    );
+  });
+
+  await templateApp('X64Asar.app', 'x64', async (appPath) => {
+    await fs.copy(
+      path.resolve(asarsDir, 'app.asar'),
+      path.resolve(appPath, 'Contents', 'Resources', 'app.asar'),
+    );
+  });
+
+  await templateApp('NoAsar.app', 'arm64', async (appPath) => {
+    await fs.copy(
+      path.resolve(asarsDir, 'app'),
+      path.resolve(appPath, 'Contents', 'Resources', 'app'),
+    );
+  });
+
+  await templateApp('X64NoAsar.app', 'x64', async (appPath) => {
+    await fs.copy(
+      path.resolve(asarsDir, 'app'),
+      path.resolve(appPath, 'Contents', 'Resources', 'app'),
+    );
+  });
+};