From f2ed001161935fa7df2cb7b4af66f77a000ccf49 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <hr@hrhr.dev>
Date: Mon, 20 Jan 2020 16:14:54 -0500
Subject: scheduler has .pause function

---
 tools/schedule.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/schedule.js b/tools/schedule.js
index e2af9db..42ec127 100644
--- a/tools/schedule.js
+++ b/tools/schedule.js
@@ -24,6 +24,7 @@ exports.Queue = function(delayms, maxExport, call){
   let prios = []; // Array of priorities (keys of jobs), sorted.
   let open = true; // Is dequeue() allowed to be called (i.e., has the timeout expired?)
   let disab = true; // Is the queue disabled?
+  let pauseCall = null; // Either null or a function which will replace the next dequeue() call.
 
   this.enqueue = function(job){
     if (! job[0]) return;
@@ -46,6 +47,10 @@ exports.Queue = function(delayms, maxExport, call){
   this.disable = function(){
     disab = true;
   }
+
+  this.pause = function(call){ // run `call()` instead of `dequeue()` when timeout expires. Just do it once (overwrites other calls)
+    pauseCall = call;
+  }
  
   function dequeue(){
     // Wraps getNumOrAll, managing open/disab, and concatenating possibly multiple layers
@@ -57,6 +62,11 @@ exports.Queue = function(delayms, maxExport, call){
       open = true;
       return;
     }
+    if (pauseCall){
+      call();
+      pauseCall = null;
+      return;
+    }
     open = false;
     let data = [];
     while (prios.length > 0 && data.length < maxExport){
-- 
cgit