Reimplement localization provider

1 files changed, 15 insertions, 0 deletions

diff --git a/modern/src/common/usePersistedState.js b/modern/src/common/usePersistedState.js
new file mode 100644
index 0000000..0a6627c
--- /dev/null
+++ b/modern/src/common/usePersistedState.js
@@ -0,0 +1,15 @@
+import { useState } from 'react';
+
+export default usePersistedState = (key, defaultValue) => {
+
+  const [value, setValue] = useState(() => {
+    const stickyValue = window.localStorage.getItem(key);
+    return stickyValue ? JSON.parse(stickyValue) : defaultValue;
+  });
+
+  React.useEffect(() => {
+    window.localStorage.setItem(key, JSON.stringify(value));
+  }, [key, value]);
+
+  return [value, setValue];
+};