chat interface

src/lib/hooks.ts

@@ -1,7 +1,7 @@
 'use client'
 
 import type { UseTRPCQueryResult } from "node_modules/@trpc/react-query/dist/getQueryKey.d-CruH3ncI.mjs"
-import { useEffect, useState } from "react"
+import { useEffect, useRef, useState } from "react"
 
 function useRelationShipSuccess<T extends Record<string,any> & {id:string},K extends keyof T>(
   relationShipData: T[] | undefined,
@@ -56,3 +56,10 @@ export function makeUseRelationShipWithNameIndex<K extends string>(key:K) {
   }
 }
 
+export function usePrevious<T>(value:T,initialValue:T) {
+  const ref = useRef(initialValue)
+  useEffect(() => {
+    ref.current = value
+  })
+  return ref.current;
+}