Connect gas price chart to gas station api.

1 files changed, 20 insertions, 0 deletions

diff --git a/ui/lib/local-storage-helpers.js b/ui/lib/local-storage-helpers.js
new file mode 100644
index 000000000..287586c49
--- /dev/null
+++ b/ui/lib/local-storage-helpers.js
@@ -0,0 +1,20 @@
+export function loadLocalStorageData (itemKey) {
+  try {
+    const serializedData = localStorage.getItem(itemKey)
+    if (serializedData === null) {
+      return undefined
+    }
+    return JSON.parse(serializedData)
+  } catch (err) {
+    return undefined
+  }
+}
+
+export function saveLocalStorageData (data, itemKey) {
+  try {
+    const serializedData = JSON.stringify(data)
+    localStorage.setItem(itemKey, serializedData)
+  } catch (err) {
+    console.warn(err)
+  }
+}