From a26d8a8a1bed48a77e062914c120a23ace7bb8cf Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Sun, 24 Feb 2019 20:54:35 +0900
Subject: Capitalize background scripts

---
 src/background/infrastructures/MemoryStorage.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/background/infrastructures/MemoryStorage.js

(limited to 'src/background/infrastructures/MemoryStorage.js')

diff --git a/src/background/infrastructures/MemoryStorage.js b/src/background/infrastructures/MemoryStorage.js
new file mode 100644
index 0000000..3a7e4f2
--- /dev/null
+++ b/src/background/infrastructures/MemoryStorage.js
@@ -0,0 +1,19 @@
+const db = {};
+
+export default class MemoryStorage {
+  set(name, value) {
+    let data = JSON.stringify(value);
+    if (typeof data === 'undefined') {
+      throw new Error('value is not serializable');
+    }
+    db[name] = data;
+  }
+
+  get(name) {
+    let data = db[name];
+    if (!data) {
+      return undefined;
+    }
+    return JSON.parse(data);
+  }
+}
-- 
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