feat(storage): add search using regex

src/app/modules/storage/storage.provider.spec.ts

@@ -153,4 +153,11 @@ describe('StorageProvider', () => {
     expect(await storageProvider.has('foo')).toBeTruthy();
     expect(await storageProvider.has('something-else')).toBeFalsy();
   });
+
+  it('should allow search by regex', async () => {
+    await storageProvider.putMultiple(sampleEntries);
+    const found: Map<string, any> = await storageProvider.search<any>(/bar/);
+    expect(Array.from(found.keys()).sort()).toEqual(['bar', 'foobar']);
+    expect(Array.from(found.values())).toEqual([{foo: 'BarFoo'}, 123]);
+  });
 });

src/app/modules/storage/storage.provider.ts

@@ -53,6 +53,21 @@ export class StorageProvider {
     return entry;
   }
 
+  /**
+   * Gets values from the storage using the provided regex
+   *
+   * @param pattern Regular expression to test existing storage keys with
+   */
+  async search<T>(pattern: RegExp): Promise<Map<string, T>> {
+    const map: Map<string, any> = new Map();
+    await this.storage.forEach((value, key) => {
+      if (pattern.test(key)) {
+        map.set(key, value);
+      }
+    });
+    return map;
+  }
+
   /**
    * Deletes a storage entry using the key used to save it
    *