CLI: replace glob with glob-promise

code/lib/core-common/package.json

@@ -58,7 +58,7 @@
     "file-system-cache": "^2.0.0",
     "find-up": "^5.0.0",
     "fs-extra": "^11.1.0",
-    "glob": "^7.1.6",
+    "glob-promise": "^4.2.0",
     "handlebars": "^4.7.7",
     "lazy-universal-dotenv": "^4.0.0",
     "picomatch": "^2.3.0",
@@ -85,4 +85,4 @@
     "platform": "node"
   },
   "gitHead": "91302a6818a7794e1e8bbff01c68513b8516cb53"
-}
+}

code/lib/core-common/src/utils/validate-configuration-files.ts

@@ -1,5 +1,5 @@
 import { dedent } from 'ts-dedent';
-import glob from 'glob';
+import { promise as glob } from 'glob-promise';
 import path from 'path';
 import { readConfig } from '@storybook/csf-tools';
 import { once } from '@storybook/node-logger';
@@ -8,10 +8,17 @@ import { boost } from './interpret-files';
 
 export async function validateConfigurationFiles(configDir: string) {
   const extensionsPattern = `{${Array.from(boost).join(',')}}`;
-  const mainConfigMatches = glob.sync(path.resolve(configDir, `main${extensionsPattern}`));
+  const mainConfigMatches = await glob(path.resolve(configDir, `main${extensionsPattern}`));
 
   const [mainConfigPath] = mainConfigMatches;
 
+  if (mainConfigMatches.length > 1) {
+    once.warn(dedent`
+      Multiple main files found in your configDir (${path.resolve(configDir)}).
+      Storybook will use the first one found and ignore the others. Please remove the extra files.
+    `);
+  }
+
   if (!mainConfigPath) {
     throw new Error(dedent`
       No configuration files have been found in your configDir (${path.resolve(configDir)}).

code/yarn.lock

@@ -1,3 +1,6 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
 __metadata:
   version: 6
   cacheKey: 8c0
@@ -6059,9 +6062,9 @@ __metadata:
   resolution: "@storybook/core-common@workspace:lib/core-common"
   dependencies:
     "@babel/core": ^7.20.2
-    "@storybook/csf-tools": 7.0.0-beta.36
-    "@storybook/node-logger": 7.0.0-beta.36
-    "@storybook/types": 7.0.0-beta.36
+    "@storybook/csf-tools": 7.0.0-beta.38
+    "@storybook/node-logger": 7.0.0-beta.38
+    "@storybook/types": 7.0.0-beta.38
     "@types/babel__core": ^7.1.20
     "@types/express": ^4.7.0
     "@types/mock-fs": ^4.13.1
@@ -6075,7 +6078,7 @@ __metadata:
     file-system-cache: ^2.0.0
     find-up: ^5.0.0
     fs-extra: ^11.1.0
-    glob: ^7.1.6
+    glob-promise: ^4.2.0
     handlebars: ^4.7.7
     lazy-universal-dotenv: ^4.0.0
     mock-fs: ^5.2.0