first version

libs/storeObject.js

@@ -0,0 +1,68 @@
+const StoreObj = (() => {
+
+    let memStore = {};
+    let maxAge = 3600000;
+
+    /**
+     * @param {string} uuid
+     * @param {object} obj
+     */
+    const set = (uuid, obj) => {
+        memStore[uuid] = {
+            obj,
+            age: Date.now() + maxAge
+        }
+    }
+
+    /**
+     * @param {string} uuid
+     */
+    const get = (uuid) => {
+        if (uuid in memStore) {
+            let s = memStore[uuid];
+            if (Date.now() < s.age) {
+                s.age = Date.now() + maxAge;
+                return s.obj;
+            } else {
+                delete memStore[uuid];
+            }
+        }
+        return null;
+    }
+
+    /**
+     * @param {string} uuid
+     */
+    const chkKey = (uuid) => {
+        if (uuid in memStore) return true;
+        return false;
+    }
+
+    /**
+     * @param {string} uuid
+     */
+    const del = (uuid) => {
+        if (uuid in memStore) delete memStore[uuid];
+    }
+
+    const clear = () => {
+        let t = Date.now();
+        for (var i in memStore) {
+            let s = memStore[i];
+            if (s.age < t) delete memStore[i];
+        }
+    }
+
+    /**
+     * @param {string} uuid if not input return all 
+     */
+    const show = (uuid) => {
+        if (uuid && uuid in memStore) return memStore[uuid];
+
+        return memStore;
+    }
+
+    return {set, get, chkKey, clear, del, show };
+})()
+
+module.exports = StoreObj;