Fix: Some memory leaks

Author: ollm

scripts/dom.js

@@ -398,6 +398,7 @@ async function loadIndexPage(animation = true, path = false, content = false, ke
 				{
 					let file = fileManager.file(masterFolders[key]);
 					let files = await file.readDir();
+					file.destroy();
 
 					for(let i = 0, len = files.length; i < len; i++)
 					{
@@ -522,6 +523,7 @@ async function loadIndexPage(animation = true, path = false, content = false, ke
 
 		let file = fileManager.file(path);
 		let files = await loadFilesIndexPage(file, animation, path, keepScroll, mainPath);
+		file.destroy();
 
 		if(config.ignoreSingleFoldersLibrary && !fromGoBack && !disableIgnoreSingleFolders && files.length == 1)
 		{
@@ -607,6 +609,7 @@ async function nextComic(path, mainPath)
 {
 	let file = fileManager.file(mainPath);
 	let image = await file.images(1, path);
+	file.destroy();
 
 	return image && image.path ? image.path : false;
 }
@@ -615,6 +618,7 @@ async function previousComic(path, mainPath)
 {
 	let file = fileManager.file(mainPath);
 	let image = await file.images(-1, path);
+	file.destroy();
 
 	return image && image.path ? image.path : false;
 }
@@ -742,6 +746,8 @@ async function getFolderThumbnails(path)
 
 		_images = await _getFolderThumbnails(file, images, _images, path, folderSha);
 
+		file.destroy();
+
 		poster = _images.poster;
 		images = _images.poster ? false : _images.images;
 	}
@@ -754,7 +760,11 @@ async function getFolderThumbnails(path)
 				let file = fileManager.file(path);
 				let _images = await file.images(4, false, true);
 
-				_getFolderThumbnails(file, images, _images, path, folderSha, true);
+				await _getFolderThumbnails(file, images, _images, path, folderSha, true);
+
+				file.destroy();
+
+				return;
 
 			}, path, folderSha);
 		}
@@ -1209,6 +1219,7 @@ async function comicContextMenu(path, fromIndex = true, folder = false, gamepad
 
 		let file = fileManager.file(path);
 		let images = await file.images(2, false, true);
+		file.destroy();
 
 		poster = !Array.isArray(images) ? images.path : false;
 
@@ -1318,6 +1329,8 @@ async function openComic(animation = true, path = true, mainPath = true, end = f
 		}
 	}
 
+	file.destroy();
+
 	skipNextComic = await nextComic(path, mainPath);
 	skipPreviousComic = await previousComic(path, mainPath);
 
@@ -1355,6 +1368,7 @@ async function openComic(animation = true, path = true, mainPath = true, end = f
 			{
 				let fileImage = fileManager.file(file.path);
 				let images = await fileImage.images(4);
+				file.destroy();
 
 				if(images.length > 0)
 				{

scripts/file-manager.js

@@ -144,6 +144,7 @@ var file = function(path) {
 			for(let i = 10; i < len; i++)
 			{
 				let path = compressed[i].path;
+				this.compressedOpened[path].compressed.destroy();
 				delete this.compressedOpened[path];
 			}
 		}
@@ -526,6 +527,16 @@ var file = function(path) {
 
 		return;
 	}
+
+	this.destroy = function() {
+
+		for(let path in this.compressedOpened)
+		{
+			this.compressedOpened[path].compressed.destroy();
+			delete this.compressedOpened[path];
+		}
+
+	};
 }
 
 
@@ -1712,6 +1723,19 @@ var fileCompressed = function(path, _realPath = false) {
 		return false;
 	}
 
+	this.destroy = function() {
+
+		if(this.tar) this.tar.destroy();
+		if(this.pdf) this.pdf.destroy();
+
+		delete this.zip;
+		delete this._7z;
+		delete this.rar;
+		delete this.tar;
+		delete this.pdf;
+
+	}
+
 }
 
 // Use this to remove generated vector images if window.devicePixelRatio is changed

scripts/reading/render.js

@@ -12,6 +12,8 @@ var file = false,
 
 async function setFile(_file, _scaleMagnifyingGlass = false)
 {
+	if(file) file.destroy();
+
 	file = _file;
 	if(file) await file.read(); // Try make this from cache