added local storage utils

src/storage/localStorage.js

@@ -0,0 +1,36 @@
+import { isArray, isObject, isJson } from "../data/typeValidator";
+
+const setItem = (key, value) => {
+  let valueToStore = value;
+  if (isArray(value) || isObject(value)) {
+    valueToStore = JSON.stringify(value);
+  }
+
+  window.localStorage.setItem(key, valueToStore);
+};
+
+const getItem = key => {
+  var value = window.localStorage.getItem(key);
+  var { data, success } = isJson(value);
+
+  if (success) {
+    return data;
+  } else {
+    return value;
+  }
+};
+
+const removeItem = key => {
+  window.localStorage.removeItem(key);
+};
+
+const clear = () => {
+  window.localStorage.clear();
+};
+
+const key = index => {
+  var keyName = window.localStorage.key(index);
+  return keyName;
+};
+
+export default { setItem, getItem, removeItem, clear, key };