fix: add cli

scripts/code-transform.spec.ts

@@ -0,0 +1,35 @@
+import assert from 'node:assert/strict';
+import { describe, it } from 'node:test';
+import { Biome, Distribution } from '@biomejs/js-api';
+import { rewriteObservableSubscribeToLastValueFrom } from './code-transform';
+
+describe('writeAllSpecObservableSubscribeToLastValueFrom', () => {
+  it('should transform valid string', async () => {
+    const actual = await rewriteObservableSubscribeToLastValueFrom(
+      'index.ts',
+      `refreshSessionIframeService
+              .refreshSessionWithIframe(allConfigs[0]!, allConfigs)
+              .subscribe((result) => {
+                  expect(
+                  result
+                  ).toHaveBeenCalledExactlyOnceWith(
+                  'a-url',
+                  allConfigs[0]!,
+                  allConfigs
+                  );
+              });`
+    );
+
+    const expect = `const result = await lastValueFrom(refreshSessionIframeService.refreshSessionWithIframe(allConfigs[0]!, allConfigs));
+      expect(result).toHaveBeenCalledExactlyOnceWith('a-url',allConfigs[0]!,allConfigs);`;
+
+    const biome = await Biome.create({
+      distribution: Distribution.NODE,
+    });
+
+    assert.equal(
+      biome.formatContent(actual, { filePath: 'index.ts' }).content,
+      biome.formatContent(expect, { filePath: 'index.ts' }).content
+    );
+  });
+});