fix(useRafFn): set initial delta to zero (#3150)

vueuse · Jun 28, 2023 · cf6eb5f · cf6eb5f
1 parent a4dfa5b
commit cf6eb5f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/core/useRafFn/index.ts b/packages/core/useRafFn/index.ts
@@ -46,7 +46,8 @@ export function useRafFn(fn: (args: UseRafFnCallbackArguments) => void, options:
     if (!isActive.value || !window)
       return
 
-    const delta = timestamp - previousFrameTimestamp
+    const delta = timestamp - (previousFrameTimestamp || timestamp)
+
     fn({ delta, timestamp })
 
     previousFrameTimestamp = timestamp