From ea9961087f1fbd4150c241eed4c8f6e56fea3301 Mon Sep 17 00:00:00 2001
From: Caaalabash <1121062986@qq.com>
Date: Fri, 7 Aug 2020 14:05:12 +0800
Subject: [PATCH] fix(backtop): code style

---
 packages/backtop/src/index.vue | 4 ++--
 packages/utils/animation.ts    | 5 +++++
 packages/utils/util.ts         | 6 ------
 3 files changed, 7 insertions(+), 8 deletions(-)
 create mode 100644 packages/utils/animation.ts

diff --git a/packages/backtop/src/index.vue b/packages/backtop/src/index.vue
index d22e00e135..c777e8ef0d 100644
--- a/packages/backtop/src/index.vue
+++ b/packages/backtop/src/index.vue
@@ -19,8 +19,8 @@
 <script lang="ts">
 import { defineComponent, ref, computed, onMounted, onBeforeUnmount } from 'vue'
 import { throttle } from 'lodash-es'
-import { on, off } from '../../utils/dom'
-import { easeInOutCubic } from '../../utils/util'
+import { on, off } from '@element-plus/utils/dom'
+import { easeInOutCubic } from '@element-plus/utils/animation'
 
 interface IElBacktopProps {
   visibilityHeight: number
diff --git a/packages/utils/animation.ts b/packages/utils/animation.ts
new file mode 100644
index 0000000000..20034b3e43
--- /dev/null
+++ b/packages/utils/animation.ts
@@ -0,0 +1,5 @@
+export const cubic = (value: number): number => Math.pow(value, 3)
+
+export const easeInOutCubic = (value: number): number => value < 0.5
+  ? cubic(value * 2) / 2
+  : 1 - cubic((1 - value) * 2) / 2
diff --git a/packages/utils/util.ts b/packages/utils/util.ts
index d19ea44fec..0e6e2a2eaf 100644
--- a/packages/utils/util.ts
+++ b/packages/utils/util.ts
@@ -146,10 +146,4 @@ export function rafThrottle(fn: (args: Record<string, unknown>) => unknown): (..
 
 export const objToArray = castArray
 
-export const cubic = (value: number): number => Math.pow(value, 3)
-
-export const easeInOutCubic = (value: number): number => value < 0.5
-  ? cubic(value * 2) / 2
-  : 1 - cubic((1 - value) * 2) / 2
-
 export { isVNode } from 'vue'