chore: 更新脚本

Author: ArgoZhang

src/components/BootstrapBlazor.Dom2Image/wwwroot/dom2image.js

@@ -1,20 +1,20 @@
-import { snapdom } from './lib/snapdom.min.mjs'
+import { snapdom } from './lib/snapdom.min.mjs'
 
-export async function getUrl(selector, options = {}) {
+export async function getUrl(selector, options) {
     let data = null;
     const el = document.querySelector(selector);
     if (el) {
-        const result = await snapdom(el, options);
+        const result = await snapdom(el, options || {});
         data = result.url;
     }
     return data;
 }
 
-export async function getStream(selector, options = {}) {
+export async function getStream(selector, options) {
     let data = null;
     const el = document.querySelector(selector);
     if (el) {
-        const result = await snapdom(el, options);
+        const result = await snapdom(el, options || {});
         data = result.toBlob();
     }
     return data;
@@ -23,7 +23,7 @@ export async function getStream(selector, options = {}) {
 export async function downloadAsync(selector, filename, format, backgroundColor, options) {
     const el = document.querySelector(selector);
     if (el) {
-        const result = await snapdom(el, options);
+        const result = await snapdom(el, options || {});
         await result.download({
             format,
             filename,