1 files changed, 35 insertions, 0 deletions
diff --git a/src/content/repositories/FollowKeyRepository.ts b/src/content/repositories/FollowKeyRepository.ts
new file mode 100644
index 0000000..a671b5c
--- /dev/null
+++ b/src/content/repositories/FollowKeyRepository.ts
@@ -0,0 +1,35 @@
+export default interface FollowKeyRepository {
+  getKeys(): string[];
+
+  pushKey(key: string): void;
+
+  popKey(): void;
+
+  clearKeys(): void;
+
+  // eslint-disable-next-line semi
+}
+
+const current: {
+  keys: string[];
+} = {
+  keys: [],
+};
+
+export class FollowKeyRepositoryImpl implements FollowKeyRepository {
+  getKeys(): string[] {
+    return current.keys;
+  }
+
+  pushKey(key: string): void {
+    current.keys.push(key);
+  }
+
+  popKey(): void {
+    current.keys.pop();
+  }
+
+  clearKeys(): void {
+    current.keys = [];
+  }
+}