新增 prettierrc.js 配置

.prettierrc.js

@@ -0,0 +1,3 @@
+module.exports = {
+    
+}

src/module/backTop/index.vue

@@ -21,14 +21,22 @@
 
 <script lang="ts">
 export default {
-  name: 'LayBacktop',
+  name: "LayBacktop",
 };
 </script>
 
 <script lang="ts" setup>
-import { defineProps, defineEmits, ref, shallowRef, withDefaults, computed, onMounted, } from 'vue';
+import {
-import LayIcon from '../icon/index';
+  defineProps,
-import './index.less';
+  defineEmits,
+  ref,
+  shallowRef,
+  withDefaults,
+  computed,
+  onMounted,
+} from "vue";
+import LayIcon from "../icon/index";
+import "./index.less";
 
 export interface LayBacktopProps {
   /**通用*/
@@ -36,7 +44,7 @@ export interface LayBacktopProps {
   showHeight?: number;
   disabled?: boolean;
   /**组件样式*/
-  position?: 'fixed' | 'absolute';
+  position?: "fixed" | "absolute";
   right?: number;
   bottom?: number;
   bgcolor?: string;
@@ -52,16 +60,16 @@ export interface LayBacktopProps {
 }
 
 const props = withDefaults(defineProps<LayBacktopProps>(), {
-  target: 'window',
+  target: "window",
   showHeight: 200,
-  icon: 'layui-icon-top',
+  icon: "layui-icon-top",
   iconSize: 30,
-  iconPrefix: 'layui-icon',
+  iconPrefix: "layui-icon",
   disabled: false,
   circle: false,
 });
 
-const emit = defineEmits(['click']);
+const emit = defineEmits(["click"]);
 
 const backtopRef = ref<HTMLElement | null>(null);
 const scrollTarget = shallowRef<Window | HTMLElement | undefined>(undefined);
@@ -69,7 +77,9 @@ let visible = ref(props.showHeight === 0);
 
 const borderRadius = computed(() => {
   if (props.circle) return "50%";
-  return typeof props.borderRadius === 'number' ? `${props.borderRadius}px` : props.borderRadius;
+  return typeof props.borderRadius === "number"
+    ? `${props.borderRadius}px`
+    : props.borderRadius;
 });
 
 const styleBacktop = computed(() => {
@@ -81,18 +91,18 @@ const styleBacktop = computed(() => {
     opacity: props.opacity,
     color: props.color,
     borderRadius: borderRadius.value,
-  }
+  };
 });
 
 // TODO 待改进
 const easeInOut = (value: number): number => {
   return value < 0.5 ? 2 * value * value : 1 - 2 * (value - 1) * (value - 1);
-}
+};
 
 const scrollToTop = () => {
   if (!scrollTarget.value) return;
   if (scrollTarget.value instanceof Window) {
-    window.scrollTo({ top: 0, left: 0, behavior: 'smooth' }); // smooth | instant(default)
+    window.scrollTo({ top: 0, left: 0, behavior: "smooth" }); // smooth | instant(default)
   } else {
     const previous: number = Date.now();
     const scrollHeight: number = scrollTarget.value.scrollTop;
@@ -105,62 +115,75 @@ const scrollToTop = () => {
       } else {
         scrollTarget.value.scrollTop = 0;
       }
-    }
+    };
     window.requestAnimationFrame(animationFunc);
   }
 };
 
 const handleScroll = () => {
   if (!scrollTarget.value) return;
-  const scrollTop = scrollTarget.value instanceof Window ? window.pageYOffset : scrollTarget.value.scrollTop;
+  const scrollTop =
+    scrollTarget.value instanceof Window
+      ? window.pageYOffset
+      : scrollTarget.value.scrollTop;
   visible.value = scrollTop >= props.showHeight;
 };
 
 const handleClick = (event: MouseEvent) => {
   if (!props.disabled) {
-    scrollToTop()
+    scrollToTop();
-  };
+  }
-  emit('click', event);
+  emit("click", event);
 };
 
 const handlerMousedown = () => {
-  backtopRef.value!.style.opacity = '1';
+  backtopRef.value!.style.opacity = "1";
-}
+};
 
 const handlerMouseup = () => {
-  backtopRef.value!.style.opacity = '0.95';
+  backtopRef.value!.style.opacity = "0.95";
-}
+};
 
 // 获取滚动目标元素
 const getScrollTarget = () => {
-  if (props.target === 'window') {
+  if (props.target === "window") {
     return getScrollParent(backtopRef.value!, false);
   } else {
     const targetElement = document.querySelector<HTMLElement>(props.target);
-    if (!targetElement) throw new Error(`target is not existed: ${props.target}`);
+    if (!targetElement)
+      throw new Error(`target is not existed: ${props.target}`);
     // 特定容器内部显示
-    if (props.position === 'absolute') {
+    if (props.position === "absolute") {
-      if (!targetElement.parentElement) throw new Error(`target parent element is not existed: ${props.target}`);
+      if (!targetElement.parentElement)
-      targetElement.parentElement.style.position = 'relative';
+        throw new Error(
+          `target parent element is not existed: ${props.target}`
+        );
+      targetElement.parentElement.style.position = "relative";
       // backtopRef.value!.style.position = props.position;
     }
     return targetElement;
   }
-}
+};
 
 // 获取距离元素最近的可滚动祖先元素
-const getScrollParent = (element: HTMLElement, includeHidden: boolean): HTMLElement => {
+const getScrollParent = (
+  element: HTMLElement,
+  includeHidden: boolean
+): HTMLElement => {
   let style: CSSStyleDeclaration = getComputedStyle(element);
   let excludeStaticParent: boolean = style.position === "absolute";
-  let overflowRegex: RegExp = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/;
+  let overflowRegex: RegExp = includeHidden
+    ? /(auto|scroll|hidden)/
+    : /(auto|scroll)/;
   //if (style.position === "fixed") return document.documentElement || document.body || window;
   for (let parent: HTMLElement = element; (parent = parent.parentElement!); ) {
     style = getComputedStyle(parent);
     if (excludeStaticParent && style.position === "static") continue;
-    if (overflowRegex.test(style.overflow + style.overflowY + style.overflowX)) return parent;
+    if (overflowRegex.test(style.overflow + style.overflowY + style.overflowX))
+      return parent;
   }
   return document.documentElement || document.body || window;
-}
+};
 
 // 节流
 const throttle = (func: Function, wait: number) => {
@@ -172,12 +195,12 @@ const throttle = (func: Function, wait: number) => {
         func.apply(this, args);
       }, wait);
     }
-  }
+  };
-}
+};
 
 onMounted(() => {
   if (!props.target) return;
   scrollTarget.value = getScrollTarget();
-  scrollTarget.value.addEventListener('scroll', throttle(handleScroll, 300));
+  scrollTarget.value.addEventListener("scroll", throttle(handleScroll, 300));
 });
 </script>