CLI: Throw an error when running upgrade command in incorrect cwd

code/lib/cli/src/helpers.test.ts

@@ -210,4 +210,20 @@ describe('Helpers', () => {
       }).toThrowError(`Could not coerce ${invalidSemverString} into a semver.`);
     });
   });
+
+  describe('hasStorybookDependencies', () => {
+    it(`should return true when any storybook dependency exists`, async () => {
+      const result = await helpers.hasStorybookDependencies({
+        getAllDependencies: async () => ({ storybook: 'x.y.z' }),
+      } as unknown as JsPackageManager);
+      expect(result).toEqual(true);
+    });
+
+    it(`should return false when no storybook dependency exists`, async () => {
+      const result = await helpers.hasStorybookDependencies({
+        getAllDependencies: async () => ({ axios: 'x.y.z' }),
+      } as unknown as JsPackageManager);
+      expect(result).toEqual(false);
+    });
+  });
 });

code/lib/cli/src/helpers.ts

@@ -296,3 +296,9 @@ export function coerceSemver(version: string) {
   invariant(coercedSemver != null, `Could not coerce ${version} into a semver.`);
   return coercedSemver;
 }
+
+export async function hasStorybookDependencies(packageManager: JsPackageManager) {
+  const currentPackageDeps = await packageManager.getAllDependencies();
+
+  return Object.keys(currentPackageDeps).some((dep) => dep.includes('storybook'));
+}

code/lib/cli/src/upgrade.ts

@@ -4,6 +4,7 @@ import semver, { eq, lt, prerelease } from 'semver';
 import { logger } from '@storybook/node-logger';
 import { withTelemetry } from '@storybook/core-server';
 import {
+  UpgradeStorybookInWrongWorkingDirectory,
   UpgradeStorybookToLowerVersionError,
   UpgradeStorybookToSameVersionError,
   UpgradeStorybookUnknownCurrentVersionError,
@@ -22,6 +23,7 @@ import {
 } from '@storybook/core-common';
 import { automigrate } from './automigrate/index';
 import { autoblock } from './autoblock/index';
+import { hasStorybookDependencies } from './helpers';
 
 type Package = {
   package: string;
@@ -134,6 +136,9 @@ export const doUpgrade = async ({
     beforeVersion.startsWith('portal:') ||
     beforeVersion.startsWith('workspace:');
 
+  if (!(await hasStorybookDependencies(packageManager))) {
+    throw new UpgradeStorybookInWrongWorkingDirectory();
+  }
   if (!isCanary && lt(currentVersion, beforeVersion)) {
     throw new UpgradeStorybookToLowerVersionError({ beforeVersion, currentVersion });
   }

code/lib/core-events/src/errors/server-errors.ts

@@ -577,6 +577,20 @@ export class UpgradeStorybookUnknownCurrentVersionError extends StorybookError {
   }
 }
 
+export class UpgradeStorybookInWrongWorkingDirectory extends StorybookError {
+  readonly category = Category.CLI_UPGRADE;
+
+  readonly code = 6;
+
+  template() {
+    return dedent`
+      You are running the upgrade command in a CWD that does not contain Storybook dependencies.
+
+      Did you mean to run it in a different directory? Make sure the directory you run this command in contains a package.json with your Storybook dependencies.
+    `;
+  }
+}
+
 export class NoStatsForViteDevError extends StorybookError {
   readonly category = Category.BUILDER_VITE;