修正Zip壓縮速度異常緩慢

FantiaDownloader-WebExtention/WebExtention/FantiaDownloader.js

@@ -12,7 +12,7 @@
 // @include        https://fantia.jp/posts/*
 // @include        https://fantia.jp/fanclubs/*/backnumbers*
 // @icon         https://www.google.com/s2/favicons?domain=fantia.jp
-// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.2.0/jszip.min.js
+// @require      https://cdn.jsdelivr.net/npm/@zip.js/[email protected]/dist/zip-full.min.js
 // @grant        none
 // ==/UserScript==
 
@@ -672,7 +672,10 @@
 			this.fileImgIndex0 = 0;
 			this.d = this.metaData.d;
 
-			this.zip = (this.type == `zip`) ? new JSZip() : undefined;
+			if (this.type === 'zip') {
+				const blobWriter = new zip.BlobWriter('application/zip');
+				this.zip = new zip.ZipWriter(blobWriter);
+			}	
 			return this.downloadImg();
 		}
 
@@ -784,31 +787,42 @@
 					dataCont += 1;
 					self.changeButton(`log`, `${dataCont} / ${self.metaData.srcArr.length}`);
 					self.mimeType = mimeType;
+					let content = new Blob([imgData], { type: mimeType });
 					if (self.zip == undefined) {
 						if (dataCont == self.metaData.srcArr.length) self.changeButton('end');
-						let content = new Blob([imgData], {
-							type: mimeType
-						});
+
 						downloader.download(content, self.nextName('file', i, mimeType));
 						return;
 					} else {
-						const sDate = lastModified && lastModified !== '' ? new Date(lastModified) : null
-						const date = sDate ? new Date(sDate.getTime() - sDate.getTimezoneOffset() * 60000) : new Date()
-						self.zip.file(self.nextName('file', i, mimeType), imgData, {
-							date
-						});
-						if (dataCont == self.metaData.srcArr.length) {
+						const sDate = lastModified && lastModified !== '' ? new Date(lastModified) : null;
+						const date = sDate ?? new Date();
+
+						self.zip.add(
+							self.nextName('file', i, mimeType),
+							new zip.BlobReader(content),
+							{
+								lastModDate: date,
+								level: 0	// The level of compression. 0 to 9, higher mean more compression.
+							}
+						);
+
+						if (dataCont === self.metaData.srcArr.length) {
 							self.changeButton(`pickUp`);
-							self.zip.generateAsync({
-								type: "blob"
-							},
-								function updateCallback(metadata) {
-									self.changeButton(`log`, `${setting.getDefault(`processing`)}：${metadata.percent.toFixed(2)} %`);
-								}).then(function (content) {
+							self.zip
+								.close({
+									// this is not getting call, maybe a bug?
+									onprogress: (progress, total) => {
+										const percent = (progress / total) * 100;
+										self.changeButton(
+											`log`,
+											`${windowSetting.getDefault(`processing`)}：${percent.toFixed(2)} %`
+										);
+									}
+								})
+								.then(zipBlob => {
 									self.changeButton('end');
-									downloader.download(content, self.nextName('zip', 0, mimeType));
-									return;
-								});
+									downloader.download(zipBlob, self.nextName('zip', 0, 'application/zip'));
+							});
 						}
 					}
 				});

FantiaDownloader-WebExtention/WebExtention/inject.js

@@ -14,4 +14,5 @@ function injectScript(file_path, tag) {
 }
 //if (window.jQuery == undefined) {injectScript(chrome.runtime.getURL('jquery-3.4.1.js'), 'body');}
 injectScript(chrome.runtime.getURL('jszip.js'), 'body');
+injectScript(chrome.runtime.getURL('zip-full.min.js'), 'body');
 injectScript(chrome.runtime.getURL('FantiaDownloader.js'), 'body');

FantiaDownloader-WebExtention/WebExtention/manifest_.json

@@ -24,6 +24,10 @@
 	{
      "resources": ["jszip.js"],
      "matches": ["http://*/*", "https://*/*"]
+   },
+	{
+     "resources": ["zip-full.min.js"],
+     "matches": ["http://*/*", "https://*/*"]
    }
   ]  
 }

FantiaDownloader-WebExtention/WebExtention/manifest_2.json

@@ -5,11 +5,12 @@
   "manifest_version": 2,
   "author": "suzumiyahifumi",
   "icons": { "64": "icon_64.png" },
+  "default_locale": "en",
   "content_scripts" : [
     {  
         "matches" : ["https://fantia.jp/posts/*", "https://fantia.jp/fanclubs/*/backnumbers*"],  
         "js" : ["inject.js"]
     }  
    ],
-  "web_accessible_resources": [ "FantiaDownloader.js", "jquery-3.4.1.js", "jszip.js" ]  
+  "web_accessible_resources": [ "FantiaDownloader.js", "jquery-3.4.1.js", "jszip.js", "zip-full.min.js" ]  
 }

FantiaDownloader-WebExtention/manifest.json

@@ -5,11 +5,12 @@
   "manifest_version": 2,
   "author": "suzumiyahifumi",
   "icons": { "64": "icon_64.png" },
+  "default_locale": "en",
   "content_scripts" : [
     {  
         "matches" : ["https://fantia.jp/posts/*", "https://fantia.jp/fanclubs/*/backnumbers*"],  
         "js" : ["inject.js"]
     }  
    ],
-  "web_accessible_resources": [ "FantiaDownloader.js", "jquery-3.4.1.js", "jszip.js" ]  
+  "web_accessible_resources": [ "FantiaDownloader.js", "jquery-3.4.1.js", "jszip.js", "zip-full.min.js" ]  
 }

FantiaDownloader.js

@@ -12,7 +12,7 @@
 // @include        https://fantia.jp/posts/*
 // @include        https://fantia.jp/fanclubs/*/backnumbers*
 // @icon         https://www.google.com/s2/favicons?domain=fantia.jp
-// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.2.0/jszip.min.js
+// @require      https://cdn.jsdelivr.net/npm/@zip.js/[email protected]/dist/zip-full.min.js
 // @grant        GM_download
 // ==/UserScript==
 
@@ -684,7 +684,10 @@
 			this.fileImgIndex0 = 0;
 			this.d = this.metaData.d;
 
-			this.zip = (this.type == `zip`) ? new JSZip() : undefined;
+			if (this.type === 'zip') {
+				const blobWriter = new zip.BlobWriter('application/zip');
+				this.zip = new zip.ZipWriter(blobWriter);
+			}	
 			return this.downloadImg();
 		}
 
@@ -800,31 +803,42 @@
 					dataCont += 1;
 					self.changeButton(`log`, `${dataCont} / ${self.metaData.srcArr.length}`);
 					self.mimeType = mimeType;
+					let content = new Blob([imgData], { type: mimeType });
 					if (self.zip == undefined) {
 						if (dataCont == self.metaData.srcArr.length) self.changeButton('end');
-						let content = new Blob([imgData], {
-							type: mimeType
-						});
+
 						downloader.download(content, self.nextName('file', i, mimeType));
 						return;
 					} else {
-						const sDate = lastModified && lastModified !== '' ? new Date(lastModified) : null
-						const date = sDate ? new Date(sDate.getTime() - sDate.getTimezoneOffset() * 60000) : new Date()
-						self.zip.file(self.nextName('file', i, mimeType), imgData, {
-							date
-						});
-						if (dataCont == self.metaData.srcArr.length) {
+						const sDate = lastModified && lastModified !== '' ? new Date(lastModified) : null;
+						const date = sDate ?? new Date();
+
+						self.zip.add(
+							self.nextName('file', i, mimeType),
+							new zip.BlobReader(content),
+							{
+								lastModDate: date,
+								level: 0	// The level of compression. 0 to 9, higher mean more compression.
+							}
+						);
+
+						if (dataCont === self.metaData.srcArr.length) {
 							self.changeButton(`pickUp`);
-							self.zip.generateAsync({
-								type: "blob"
-							},
-								function updateCallback(metadata) {
-									self.changeButton(`log`, `${windowSetting.getDefault(`processing`)}：${metadata.percent.toFixed(2)} %`);
-								}).then(function (content) {
+							self.zip
+								.close({
+									// this is not getting call, maybe a bug?
+									onprogress: (progress, total) => {
+										const percent = (progress / total) * 100;
+										self.changeButton(
+											`log`,
+											`${windowSetting.getDefault(`processing`)}：${percent.toFixed(2)} %`
+										);
+									}
+								})
+								.then(zipBlob => {
 									self.changeButton('end');
-									downloader.download(content, self.nextName('zip', 0, mimeType));
-									return;
-								});
+									downloader.download(zipBlob, self.nextName('zip', 0, 'application/zip'));
+							});
 						}
 					}
 				});