Merge pull request #103 from zakki/walk-cb

zertosh · zertosh · commit 4bb70b69e676 · 2015-10-25T18:28:26.000-07:00
guard walk() against not having a cb
diff --git a/index.js b/index.js
@@ -326,7 +326,7 @@ Deps.prototype.walk = function (id, parent, cb) {
         if (opts.postFilter && !opts.postFilter(id, file, pkg)) {
             if (--self.pending === 0) self.push(null);
             if (input) --self.inputPending;
-            return cb(null, undefined);
+            return cb && cb(null, undefined);
         }
         if (err && rec.source) {
             file = rec.file;

Original file line number	Diff line number	Diff line change
`@@ -326,7 +326,7 @@ Deps.prototype.walk = function (id, parent, cb) {`
`326`	`326`	`if (opts.postFilter && !opts.postFilter(id, file, pkg)) {`
`327`	`327`	`if (--self.pending === 0) self.push(null);`
`328`	`328`	`if (input) --self.inputPending;`
`329`		`- return cb(null, undefined);`
	`329`	`+ return cb && cb(null, undefined);`
`330`	`330`	`}`
`331`	`331`	`if (err && rec.source) {`
`332`	`332`	`file = rec.file;`