fix(deploy): read Cloudflare versions that have no bindings

packages/void/src/cli/cf-version-runner.ts

@@ -584,16 +584,17 @@ export function createCfVersionRunner(options: {
         return result;
       }
       const version = result.data;
-      if (
-        !record(version) ||
-        version.id !== operation.versionId ||
-        !Array.isArray(version.bindings)
-      ) {
+      if (!record(version) || version.id !== operation.versionId) {
+        return failed('The Cloudflare Worker version was not readable.');
+      }
+      // Cloudflare omits `bindings` for a version that has none.
+      const bindings = version.bindings === undefined ? [] : version.bindings;
+      if (!Array.isArray(bindings)) {
         return failed('The Cloudflare Worker version was not readable.');
       }
       return {
         ...result,
-        data: { ...version, resources: { bindings: version.bindings } },
+        data: { ...version, bindings, resources: { bindings } },
       };
     }
 

packages/void/test/unit/cf-version-runner.test.ts

@@ -147,6 +147,40 @@ it(
   REAL_CF_TIMEOUT_MS,
 );
 
+it.each([
+  { label: 'missing', version: { id: 'version-id', number: 35 }, readable: true },
+  { label: 'null', version: { id: 'version-id', number: 35, bindings: null }, readable: false },
+  { label: 'an object', version: { id: 'version-id', number: 35, bindings: {} }, readable: false },
+])('reads a version whose bindings are $label', async ({ version, readable }) => {
+  const prepared = await output();
+  try {
+    const runner = createCfVersionRunner({
+      output: prepared,
+      workerName: 'void-test',
+      runCf: () => ({ status: 0, stdout: JSON.stringify(version), stderr: '' }),
+      verifyResources: async () => {
+        throw new Error('A read must not provision or probe resources');
+      },
+    });
+    const result = await runner(
+      { type: 'versions.view', versionId: 'version-id', workerName: 'void-test' },
+      { capture: true },
+    );
+    if (readable) {
+      // Cloudflare omits `bindings` for a version that has none.
+      expect(result.status).toBe(0);
+      expect(result.data).toMatchObject({ bindings: [], resources: { bindings: [] } });
+    } else {
+      expect(result).toMatchObject({
+        status: 1,
+        stderr: 'The Cloudflare Worker version was not readable.',
+      });
+    }
+  } finally {
+    await prepared.dispose();
+  }
+});
+
 it(
   'preserves real cf provider codes so a missing Worker can reach its first upload',
   async () => {