Add script for clearing the cache

scripts/clear-cache.js

@@ -0,0 +1,25 @@
+const cache = require("../modules/utils/cache");
+
+function getKeys(client, pattern, callback, array = [], cursor = 0) {
+  client.scan(cursor, "MATCH", pattern, (error, reply) => {
+    if (error) {
+      reject(error);
+    } else {
+      const next = reply[0];
+      const keys = reply[1];
+
+      array.push.apply(array, keys);
+
+      if (next == 0) {
+        callback(array);
+      } else {
+        getKeys(client, pattern, callback, array, next);
+      }
+    }
+  });
+}
+
+getKeys(cache, "npmPackageInfo-*", keys => {
+  console.log(keys);
+  process.exit();
+});