[Pkg-javascript-commits] [node-async] 412/480: Add idle() function to determine if the queue has any work

[Jonas Smedegaard]

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js pushed a commit to branch master
in repository node-async.

commit e87eacd90327869880d8cc6f26ba300554d68720
Author: Craig Andrews <craig.andrews at bskyb.com>
Date:   Tue Sep 10 13:36:15 2013 +0100

    Add idle() function to determine if the queue has any work
    
    Documented idle() and running() functions.
---
 README.md    | 2 ++
 lib/async.js | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/README.md b/README.md
index a60ca4d..acee1b2 100644
--- a/README.md
+++ b/README.md
@@ -1075,6 +1075,8 @@ The `queue` object returned by this function has the following properties and
 methods:
 
 * `length()` - a function returning the number of items waiting to be processed.
+* `running()` - a function returning the number of items currently being processed.
+* `idle()` - a function returning false if there are items waiting or being processed, or true if not.
 * `concurrency` - an integer for determining how many `worker` functions should be
   run in parallel. This property can be changed after a `queue` is created to
   alter the concurrency on-the-fly.
diff --git a/lib/async.js b/lib/async.js
index 312e645..2313bb1 100755
--- a/lib/async.js
+++ b/lib/async.js
@@ -755,6 +755,9 @@
             },
             running: function () {
                 return workers;
+            },
+            idle: function() {
+                return q.tasks.length == 0 && workers == 0;
             }
         };
         return q;

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