Function onChange

lib/client/index.js:108–131

(changedPath, event)

     // reload the browser
     function onChange(changedPath, event) {
       var _ref = path.extname(changedPath),
           action = cssExtensions.indexOf(_ref) >= 0 ? 'updateCSS' : 'reload';
       //first change is with delayTime delay , thereafter only once there has been no further changes for guardTime seconds

       //validate the change
       if (customOnChange.validate) {
           if (!customOnChange.validate(changedPath, event,action)) { return ;} //ignore changes if the app says-so
       }

       //avoid multiple rapid changes
       var delay=delayTime;
       if (lastRun[action].guardTime) { clearTimeout(lastRun[action].guardTime); delay=guardTime;}
       if (lastRun[action].delayTime) { clearTimeout(lastRun[action].delayTime); delay=delayTime;}
       lastRun[action].delayTime = setTimeout(function(){
           onChangeFiltered(changedPath, event, action);
           lastRun[action].guardTime = setTimeout(function(){
               lastRun[action].guardTime=null;
               }, delay);
            lastRun[action].delayTime=null;
           }, delay);

       return Date.now();
     }

     return onChange(changedPath, event);
  }