chore(structure): remove the usePrevious hook in useConditionalToast

packages/sanity/src/structure/panes/document/documentPanel/documentViews/useConditionalToast.ts

@@ -1,13 +1,5 @@
 import {type ToastParams, useToast} from '@sanity/ui'
-import {useEffect, useRef} from 'react'
-
-function usePrevious<T>(value: T) {
-  const ref = useRef<T>()
-  useEffect(() => {
-    ref.current = value
-  }, [value])
-  return ref.current
-}
+import {useEffect} from 'react'
 
 // https://developer.mozilla.org/en-US/docs/Web/API/setTimeout#maximum_delay_value
 const LONG_ENOUGH_BUT_NOT_TOO_LONG = 1000 * 60 * 60 * 24 * 24
@@ -18,20 +10,12 @@ const LONG_ENOUGH_BUT_NOT_TOO_LONG = 1000 * 60 * 60 * 24 * 24
 export function useConditionalToast(params: ToastParams & {id: string; enabled?: boolean}) {
   const toast = useToast()
 
-  const wasEnabled = usePrevious(params.enabled)
   // note1: there's a `duration || 0` in Sanity UI's pushToast(), so make it non-falsey
   // note2: cannot use `Infinity` as duration, since it exceeds setTimeout's maximum delay value
   useEffect(() => {
-    if (!wasEnabled && params.enabled) {
+    if (params.enabled) {
       toast.push({...params, duration: LONG_ENOUGH_BUT_NOT_TOO_LONG})
     }
-    if (wasEnabled && !params.enabled) {
-      toast.push({
-        ...params,
-        // Note: @sanity/ui fallbacks to the default duration of 4s in case of falsey values
-        duration: 0.01,
-      })
-    }
     return () => {
       if (params.enabled) {
         toast.push({
@@ -41,5 +25,5 @@ export function useConditionalToast(params: ToastParams & {id: string; enabled?:
         })
       }
     }
-  }, [params, toast, wasEnabled])
+  }, [params, toast])
 }