Prevent IDE reload race condition

src/app/ide/ide.component.ts

@@ -32,6 +32,7 @@ export class IdeComponent implements OnInit {
   files: string[];
   filename = '';
   lastFilename = '';
+  reloadFile = false;
   code = 'Loading your file...';
 
   codeState = CodeState.SAVED;
@@ -85,10 +86,18 @@ export class IdeComponent implements OnInit {
   }
 
   reloadHandler(message: WebSocketMessage) {
-    this.requestCode();
+    if (!this.reloadFile) {
+      this.reloadFile = true;
+      this.requestCode();
+    }
   }
 
   readHandler(message: IDEMessage) {
+    if (!this.reloadFile && message.reload) {
+      return;
+    }
+    this.reloadFile = false;
+
     if (this.codeState === CodeState.SAVED) {
       if (this.filename !== message.filename) {
         this.filename = message.filename;
@@ -189,7 +198,8 @@ export class IdeComponent implements OnInit {
   requestCode() {
     this.webSocketService.send({
       'key': 'ide.read',
-      'filename': this.filename
+      'filename': this.filename,
+      'reload': this.reloadFile
     });
   }
 }

src/app/message-types/ide-message.ts

@@ -4,4 +4,5 @@ export interface IDEMessage extends WebSocketMessage {
   filename: string;
   content?: string;
   files?: string[];
+  reload?: boolean;
 }