touch operation...

src/hooks/Touch.js

@@ -0,0 +1,19 @@
+import { useCallback } from "react";
+import { DEFAULT_TOUCH_OPERATION } from "../config";
+import { useSetting } from "./Setting";
+
+export function useTouch(action) {
+  const { setting, updateSetting } = useSetting();
+  const touchOperations = setting?.touchOperations || DEFAULT_TOUCH_OPERATION;
+  const touchOperation = touchOperations[action];
+
+  const setTouchOperation = useCallback(
+    async (val, idx) => {
+      touchOperations[action][idx] = val;
+      await updateSetting({ touchOperations: { ...touchOperations } });
+    },
+    [action, touchOperations, updateSetting]
+  );
+
+  return { touchOperation, setTouchOperation };
+}