From 142324c7679ef03db8e9062d73984b3357528208 Mon Sep 17 00:00:00 2001
From: Xmader <xmader@outlook.com>
Date: Sun, 1 Dec 2019 04:41:42 -0500
Subject: [PATCH] v0.3.4 - add cleanup

---
 dist/main.js | 7 +++++--
 package.json | 2 +-
 src/main.ts  | 7 ++++++-
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/dist/main.js b/dist/main.js
index 8a59ea4..db99322 100644
--- a/dist/main.js
+++ b/dist/main.js
@@ -3,7 +3,7 @@
 // @namespace    https://www.xmader.com/
 // @homepageURL  https://github.com/Xmader/musescore-downloader/
 // @supportURL   https://github.com/Xmader/musescore-downloader/issues
-// @version      0.3.3
+// @version      0.3.4
 // @description  免登录、免 Musescore Pro，下载 musescore.com 上的曲谱
 // @author       Xmader
 // @match        https://musescore.com/*/*
@@ -26016,7 +26016,10 @@ Please pipe the document into a Node stream.\
         document.body.appendChild(canvas);
         canvasContext.clearRect(0, 0, width, height);
         canvasContext.drawImage(imageElement, 0, 0);
-        return canvas.toDataURL("image/png");
+        const data = canvas.toDataURL("image/png");
+        canvas.remove();
+        imageElement.remove();
+        return data;
     });
     const generatePDF = (svgURLs, name) => __awaiter(void 0, void 0, void 0, function* () {
         if (pdfBlob) {
diff --git a/package.json b/package.json
index 9f3c827..85ba9bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "musescore-downloader",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "description": "download sheet music from musescore.com for free, no login or Musescore Pro required | 免登录、免 Musescore Pro，免费下载 musescore.com 上的曲谱",
   "main": "dist/main.js",
   "repository": {
diff --git a/src/main.ts b/src/main.ts
index 7c26a59..9cf6be5 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -34,7 +34,12 @@ const svgToPng = async (svgURL: string) => {
     canvasContext.clearRect(0, 0, width, height)
     canvasContext.drawImage(imageElement, 0, 0)
 
-    return canvas.toDataURL("image/png")
+    const data = canvas.toDataURL("image/png")
+
+    canvas.remove()
+    imageElement.remove()
+
+    return data
 }
 
 const generatePDF = async (svgURLs: string[], name?: string) => {