fix: refactor helpers.ts to register all.test.ts

integration/helpers.ts

@@ -1,6 +1,6 @@
-import { join } from 'path';
-import { readdirSync } from 'fs';
-import { getStorybook } from '@storybook/react';
+import { join, resolve } from 'path';
+import { lstatSync, readdirSync } from 'fs';
+import { getStorybook, configure } from '@storybook/react';
 
 export interface StoryInfo {
   title: string;
@@ -13,12 +13,33 @@ export interface StoryGroupInfo {
   stories: StoryInfo[];
 }
 
-function requireAllStories() {
-  const normalizedPath = join(__dirname, '../stories');
+function requireAllStories(basedir: string, directory: string) {
+  function enumerateFiles(basedir: string, dir: string) {
+    let result: string[] = [];
+    readdirSync(join(basedir, dir)).forEach(function(file) {
+      const relativePath = join(dir, file);
+      const stats = lstatSync(join(basedir, relativePath));
+      if (stats.isDirectory()) {
+        result = result.concat(enumerateFiles(basedir, relativePath));
+      } else if (/\.tsx$/.test(relativePath)) {
+        result.push(relativePath);
+      }
+    });
+    return result;
+  }
+  const absoluteDirectory = resolve(basedir, directory);
+
+  const keys = enumerateFiles(absoluteDirectory, '.');
+  function requireContext(key: string) {
+    if (!keys.includes(key)) {
+      throw new Error(`Cannot find module '${key}'`);
+    }
+    const fullKey = require('path').resolve(absoluteDirectory, key);
+    return require(fullKey);
+  }
 
-  readdirSync(normalizedPath).forEach((file) => {
-    require(join(normalizedPath, file));
-  });
+  requireContext.keys = () => keys;
+  return requireContext;
 }
 
 function encodeString(string: string) {
@@ -34,8 +55,7 @@ function encodeString(string: string) {
 }
 
 export function getStorybookInfo(): StoryGroupInfo[] {
-  requireAllStories();
-
+  configure(requireAllStories(__dirname, '../stories'), module);
   return getStorybook()
     .filter(({ kind }) => kind)
     .map(({ kind: group, stories: storiesRaw }) => {