Fix download bugs in browser

src/app/editor/editor.component.ts

@@ -36,7 +36,7 @@ export class EditorComponent {
 
   protected values = signal<any>(undefined);
   protected downloadName = computed(
-    () => this.selectedFile() ?? `${this.selectedMessage.name}.json`
+    () => this.selectedFile() ?? `${this.selectedMessage().name}.json`
   );
   private serialisedValues = computed(() =>
     JSON.stringify(this.values(), undefined, this.indentSize())
@@ -118,15 +118,12 @@ export class EditorComponent {
 
   protected async save() {
     const selectedFile = this.selectedFile();
-    if (__TAURI__) {
+    if (typeof __TAURI__ !== 'undefined') {
       const serialised = this.serialisedValues();
+      try {
         // TODO: Tauri is bugged on mac atm, remove this when resolved: https://github.com/tauri-apps/tauri/issues/4633
         if (selectedFile) {
-        try {
           await writeTextFile(selectedFile, serialised);
-        } catch (err) {
-          console.error('Failed to write to file ${this.selectedFile()}', err);
-        }
         } else {
           const filePath = await save({
             defaultPath: `${this.selectedMessage().name}.json`,
@@ -135,6 +132,9 @@ export class EditorComponent {
             await writeTextFile(filePath, serialised);
           }
         }
+      } catch (err) {
+        console.error(`Failed to save to file`, err);
+      }
     } else {
       this.downloader()?.nativeElement.click();
     }

src/app/proto-definition-selector/proto-definition-selector.component.ts

@@ -197,7 +197,7 @@ export class ProtoDefinitionSelectorComponent {
   }
 
   protected async exportConfiguration() {
-    if (__TAURI__) {
+    if (typeof __TAURI__ !== undefined) {
       const filePath = await save({
         defaultPath: `bufpiv.json`,
       });