Add external type

packages/kbn-sharedux-storybook/src/file_system_cache.d.ts

@@ -0,0 +1,31 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+// Storybook uses this module and its types are defined in the source but not in the type output
+declare module 'file-system-cache' {
+  interface Options {
+    basePath?: string;
+    ns?: string | string[];
+    extension?: string;
+  }
+
+  class FileSystemCache {
+    constructor(options: Options);
+    path(key: string): string;
+    fileExists(key: string): Promise<boolean>;
+    ensureBasePath(): Promise<void>;
+    get(key: string, defaultValue?: any): Promise<any | typeof defaultValue>;
+    getSync(key: string, defaultValue?: any): any | typeof defaultValue;
+    set(key: string, value: any): Promise<{ path: string }>;
+    setSync(key: string, value: any): this;
+    remove(key: string): Promise<void>;
+    clear(): Promise<void>;
+    save(): Promise<{ paths: string[] }>;
+    load(): Promise<{ files: Array<{ path: string; value: any }> }>;
+  }
+}

src/plugins/shared_ux/tsconfig.json

@@ -10,7 +10,6 @@
     "common/**/*",
     "public/**/*",
     "server/**/*",
-    ".storybook/**/*",
     "../../../typings/**/*"
   ],
   "references": [