♻️(document): 重构文档结构

package/layer/src/utils/index.ts

@@ -1,4 +1,4 @@
-import { layer } from  "../index"
+import { layer } from "../index";
 
 // 随机数
 export function nextId() {
@@ -255,32 +255,32 @@ export function loadImage(url: string, callback: Function, error: any) {
   };
 }
 
-export async function calculatePhotosArea(url: string,options:object) {
+export async function calculatePhotosArea(url: string, options: object) {
   let img = new Image();
   img.src = url;
 
   return new Promise((resolve, reject) => {
     if (img.complete) {
-      resolve(area(img))
-      return
+      resolve(area(img));
+      return;
     }
-    const layerId=layer.load(2)
+    const layerId = layer.load(2);
     img.onload = () => {
-      layer.close(layerId)
-      resolve(area(img))
+      layer.close(layerId);
+      resolve(area(img));
     };
     img.onerror = () => {
-      layer.close(layerId)
-      layer.msg('图片加载失败')
-      reject(false)
-    }
-  })
+      layer.close(layerId);
+      layer.msg("图片加载失败");
+      reject(false);
+    };
+  });
 
-  function area(img:{width:number,height:number}){
+  function area(img: { width: number; height: number }) {
     var imgarea = [img.width, img.height];
     var winarea = [window.innerWidth - 100, window.innerHeight - 100];
     //如果 实际图片的宽或者高比 屏幕大（那么进行缩放）
-    if ( imgarea[0] > winarea[0] || imgarea[1] > winarea[1]) {
+    if (imgarea[0] > winarea[0] || imgarea[1] > winarea[1]) {
       let wh = [imgarea[0] / winarea[0], imgarea[1] / winarea[1]]; //取宽度缩放比例、高度缩放比例
       if (wh[0] > wh[1]) {
         //取缩放比例最大的进行缩放
@@ -293,5 +293,4 @@ export async function calculatePhotosArea(url: string,options:object) {
     }
     return [imgarea[0] + "px", imgarea[1] + "px"];
   }
-
-}
+}