fixed re-compile bug?

doc/notes.txt

@@ -68,6 +68,7 @@ TODO:
 - resize memory dump window
 - C/asm formatter
 - fix WebAudio (https://news.ycombinator.com/item?id=18066474)
+- Safari: verilog scope doesn't work
 
 
 WEB WORKER FORMAT

src/emu.ts

@@ -187,7 +187,7 @@ export var AnimationTimer = function(frequencyHz:number, callback:() => void) {
   var running : boolean = false;
   var pulsing : boolean = false;
   var lastts = 0;
-  var useReqAnimFrame = false; //window.requestAnimationFrame ? (frequencyHz>40) : false;
+  var useReqAnimFrame = false; //TODO window.requestAnimationFrame ? (frequencyHz>40) : false;
   var nframes, startts; // for FPS calc
   this.frameRate = frequencyHz;
 

src/project.ts

@@ -35,12 +35,13 @@ export class CodeProject {
       var notfinal = this.pendingWorkerMessages > 1;
       if (notfinal) {
         this.sendBuild();
+        this.pendingWorkerMessages = 1;
       } else {
         if (this.callbackBuildStatus) this.callbackBuildStatus(false);
         if (!this.isCompiling) { console.log(this.pendingWorkerMessages); console.trace(); } // debug compile problems
         this.isCompiling = false;
+        this.pendingWorkerMessages = 0;
       }
-      this.pendingWorkerMessages = 0;
       if (e.data && !e.data.unchanged) {
         this.processBuildResult(e.data);
         if (this.callbackBuildResult) this.callbackBuildResult(e.data); // call with data when changed