Fixed various memory leak issues

electron.vite.config.ts

@@ -42,7 +42,7 @@ export default electronVite.defineConfig({
         name: 'strip-unneeded-primeicons-files',
         generateBundle(_options, bundle) {
           for (const fileName of Object.keys(bundle)) {
-            if (fileName.includes('assets/primeicons') && /\.(eot|svg|ttf|woff)$/.test(fileName)) {
+            if (fileName.includes('assets/primeicons') && /\.(eot|svg|ttf|woff2?)$/.test(fileName)) {
               delete bundle[fileName];
             }
           }

package.json

@@ -23,7 +23,7 @@
     "url": "git+https://github.com/opencor/webapp.git"
   },
   "type": "module",
-  "version": "1.20261005.1",
+  "version": "1.20261007.0",
   "engines": {
     "bun": ">=1.2.0"
   },
@@ -57,7 +57,7 @@
   },
   "dependencies": {
     "@napi-rs/keyring": "^2.1.0",
-    "@opencor/libopencor-types": "^1.20260803.0",
+    "@opencor/libopencor-types": "^1.20261006.1",
     "@primeuix/themes": "2.0.3",
     "@primevue/auto-import-resolver": "4.2.5",
     "@vueuse/core": "12.8.2",

src/preload/index.ts

@@ -227,6 +227,7 @@ electron.contextBridge.exposeInMainWorld('locApi', {
 
   sedDocumentCreate: (path: string) => loc.sedDocumentCreate(path),
   sedDocumentInstantiate: (documentId: number) => loc.sedDocumentInstantiate(documentId),
+  sedDocumentRelease: (documentId: number) => loc.sedDocumentRelease(documentId),
   sedDocumentIssues: (documentId: number) => loc.sedDocumentIssues(documentId),
   sedDocumentModelCount: (documentId: number) => loc.sedDocumentModelCount(documentId),
   sedDocumentSimulationCount: (documentId: number) => loc.sedDocumentSimulationCount(documentId),
@@ -277,6 +278,7 @@ electron.contextBridge.exposeInMainWorld('locApi', {
   sedInstancePauseRun: (instanceId: number) => loc.sedInstancePauseRun(instanceId),
   sedInstanceResumeRun: (instanceId: number) => loc.sedInstanceResumeRun(instanceId),
   sedInstanceStopRun: (instanceId: number) => loc.sedInstanceStopRun(instanceId),
+  sedInstanceRelease: (instanceId: number) => loc.sedInstanceRelease(instanceId),
 
   // SedInstanceTask API.
 

src/renderer/package.json

@@ -42,8 +42,8 @@
     },
     "./style.css": "./dist/opencor.css"
   },
-  "version": "1.20261005.1",
-  "libopencorVersion": "1.20260803.0",
+  "version": "1.20261007.0",
+  "libopencorVersion": "1.20261006.1",
   "scripts": {
     "build": "vite build && bun scripts/generate.version.ts",
     "build:lib": "vite build --config vite.lib.config.ts && bun --bun scripts/type.check.ts --project tsconfig.lib.types.json",
@@ -68,7 +68,7 @@
   },
   "dependencies": {
     "@napi-rs/keyring": "^2.1.0",
-    "@opencor/libopencor-types": "^1.20260803.0",
+    "@opencor/libopencor-types": "^1.20261006.1",
     "@primeuix/themes": "2.0.3",
     "@primevue/auto-import-resolver": "4.2.5",
     "@vueuse/core": "12.8.2",

src/renderer/src/components/ContentsComponent.vue

@@ -271,8 +271,17 @@ const closeFile = async (filePath: string): Promise<void> => {
   locApi.fileManager.unmanage(filePath);
 
   const fileTabIndex = fileTabs.value.findIndex((fileTab) => fileTab.file.path() === filePath);
+  const fileTab = fileTabs.value[fileTabIndex];
 
-  fileTabs.value.splice(fileTabIndex, 1);
+  if (fileTab) {
+    fileTabs.value.splice(fileTabIndex, 1);
+
+    // Release the file once its views have been unmounted (and have therefore released their own resources).
+
+    vue.nextTick(() => {
+      fileTab.file.release();
+    });
+  }
 
   if (activeFile.value === filePath && fileTabs.value.length) {
     const nextFileTab = fileTabs.value[Math.min(fileTabIndex, fileTabs.value.length - 1)];
@@ -550,6 +559,16 @@ defineExpose({
   simulationData
 });
 
+// Release the files that are still open once we (and therefore their views) have been unmounted.
+
+vue.onUnmounted(() => {
+  for (const fileTab of fileTabs.value) {
+    locApi.fileManager.unmanage(fileTab.file.path());
+
+    fileTab.file.release();
+  }
+});
+
 // Some watchers to let people know about changes to the opened files and the selected file.
 
 vue.watch(filePaths, (newFilePaths: string[]) => {

src/renderer/src/components/OpenCOR.vue

@@ -782,6 +782,8 @@ const processFile = async (fileFilePathOrFileContents: string | Uint8Array | Fil
 
       emit('file', { type: 'issue', filePath, issues: [issueMessage] });
 
+      file.release();
+
       return null;
     }
 
@@ -821,6 +823,16 @@ const processFile = async (fileFilePathOrFileContents: string | Uint8Array | Fil
   }
 };
 
+const openFileInContents = async (file: locApi.File, wait: boolean = false): Promise<void> => {
+  // Open the given file in our contents component or release it if we can't (e.g., we got unmounted in the meantime).
+
+  if (contentsRef.value) {
+    await contentsRef.value.openFile(file, wait);
+  } else {
+    file.release();
+  }
+};
+
 const openFile = (fileFilePathOrFileContents: string | Uint8Array | File): void => {
   processFile(fileFilePathOrFileContents).then(async (fileInfo) => {
     if (!fileInfo) {
@@ -834,7 +846,7 @@ const openFile = (fileFilePathOrFileContents: string | Uint8Array | File): void
     }
 
     if (fileInfo.file) {
-      await contentsRef.value?.openFile(fileInfo.file);
+      await openFileInContents(fileInfo.file);
     }
   });
 };
@@ -862,7 +874,7 @@ const openFiles = (filesFilePathsOrFileContents: (string | Uint8Array | File)[])
     }
 
     if (currentFileInfo.file) {
-      await contentsRef.value?.openFile(currentFileInfo.file, true);
+      await openFileInContents(currentFileInfo.file, true);
     }
   }, Promise.resolve());
 };