refactor: 增加 canvas 销毁代码，防止内存泄漏

BootstrapBlazor · Oct 12, 2024 · c0b9f23 · c0b9f23
1 parent acd73ad
commit c0b9f23
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/components/BootstrapBlazor.ImageCropper/ImageCropper.razor.js b/src/components/BootstrapBlazor.ImageCropper/ImageCropper.razor.js
@@ -45,15 +45,18 @@ export function dispose(id) {
     }
 }
 export function crop(id, isRound = false) {
+    let ret = null;
     const cropper = Data.get(id);
     if (cropper != null) {
         cropper.crop();
         let resultData = cropper.getCroppedCanvas();
         if (isRound) {
             resultData = getRoundCanvas(resultData);
         }
-        return resultData.toDataURL("image/jpeg", 0.8);
+        ret = resultData.toDataURL("image/jpeg", 0.8);
+        resultData = null;
     }
+    return ret;
 }
 
 export function replace(id, url) {