[Pkg-javascript-commits] [node-module-deps] 217/444: guard walk() against not having a cb

[Bastien Roucariès]

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rouca pushed a commit to branch master
in repository node-module-deps.

commit 8fe2a1a351b80ed1b950d40efd0328f19ea3698f
Author: James Halliday <mail at substack.net>
Date:   Fri May 9 16:16:25 2014 -0700

    guard walk() against not having a cb
---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 3ebe22f..3de9b7a 100644
--- a/index.js
+++ b/index.js
@@ -262,7 +262,7 @@ Deps.prototype.walk = function (id, parent, cb) {
         if (err) return self.emit('error', err);
         if (self.visited[file]) {
             if (-- self.pending === 0) self.push(null);
-            return cb(null, file);
+            return cb && cb(null, file);
         }
         self.visited[file] = true;
         

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