event handlers fire before call to testScheduleNextScan(); remove unu…

…sed function

lib/scan.js

@@ -80,7 +80,8 @@ async function startScanner() {
       //Remove stale files: those in historySet but not found in the current scan
       removeStaleFiles(discoveredFiles)
       logger.info({ component, message: `scan ended`, path: options.path })
-      testScheduleNextScan()
+      // allow queue event handlers to fire before calling testScheduleNextScan()
+      setTimeout(testScheduleNextScan, 0)
   } 
   catch (e) {
       logger.error({ component, error: serializeError(e) })
@@ -117,19 +118,6 @@ function scheduleNextScan() {
   })
 }
 
-/**
- * Cancels the next scan and logs.
- * References options properties {path}.
- */
-function cancelNextScan() {
-  clearTimeout(timeoutId)
-  logger.info({ 
-    component, 
-    message: `scan cancelled`, 
-    path: options.path
-  })
-}
-
 /**
  * Returns immediately if options.historyFile is falsy.
  * Initializes the history Set by reading it from a file and adding each line to the history set.