From f8060aaf0787d4f8f8864e929d5bcf5930b5ed9f Mon Sep 17 00:00:00 2001
From: Xmader <xmader@outlook.com>
Date: Sun, 1 Dec 2019 04:11:40 -0500
Subject: [PATCH] v0.3.2 - PDF cache

---
 dist/main.js | 12 ++++++++++--
 package.json |  2 +-
 src/main.ts  | 16 ++++++++++++++--
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/dist/main.js b/dist/main.js
index 7bf507f..a376191 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      0.3.1
+// @version      0.3.2
 // @description  免登录、免 Musescore Pro，下载 musescore.com 上的曲谱
 // @author       Xmader
 // @match        https://musescore.com/*/*
@@ -25973,7 +25973,11 @@ Please pipe the document into a Node stream.\
     mixin(ImagesMixin);
     mixin(OutputDocumentBrowser);
 
+    let pdfBlob;
     const generatePDF = (name) => {
+        if (pdfBlob) {
+            return FileSaver(pdfBlob, `${name}.pdf`);
+        }
         const scoreImgs = document.querySelectorAll("img[id^=score_]");
         const { naturalWidth: width, naturalHeight: height } = scoreImgs[0];
         const canvas = document.createElement("canvas");
@@ -26002,8 +26006,12 @@ Please pipe the document into a Node stream.\
                 height,
             });
         });
+        // TODO: webworker
         // @ts-ignore
-        return pdf.download(`${name}.pdf`);
+        return pdf.getBlob().then((blob) => {
+            pdfBlob = blob;
+            FileSaver(blob, `${name}.pdf`);
+        });
     };
     const getTitle = (scorePlayerData) => {
         try {
diff --git a/package.json b/package.json
index 218e102..ec8eef8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "musescore-downloader",
-  "version": "0.3.1",
+  "version": "0.3.2",
   "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 f3e7a3b..efbbcf5 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -4,8 +4,15 @@ import { ScorePlayerData } from "./types"
 import { waitForDocumentLoaded } from "./utils"
 
 import PDFDocument from "pdfkit/lib/document"
+import saveAs from "file-saver/dist/FileSaver.js"
+
+let pdfBlob: Blob
 
 const generatePDF = (name?: string) => {
+    if (pdfBlob) {
+        return saveAs(pdfBlob, `${name}.pdf`)
+    }
+
     const scoreImgs: NodeListOf<HTMLImageElement> = document.querySelectorAll("img[id^=score_]")
 
     const { naturalWidth: width, naturalHeight: height } = scoreImgs[0]
@@ -36,14 +43,19 @@ const generatePDF = (name?: string) => {
 
     imgDataList.forEach((data) => {
         pdf.addPage()
-        pdf.image(data,{
+        pdf.image(data, {
             width,
             height,
         })
     })
 
+    // TODO: webworker
+
     // @ts-ignore
-    return pdf.download(`${name}.pdf`)
+    return pdf.getBlob().then((blob: Blob) => {
+        pdfBlob = blob
+        saveAs(blob, `${name}.pdf`)
+    })
 }
 
 const getTitle = (scorePlayerData: ScorePlayerData) => {