ls: Do not show deps of extraneous deps

Fix #6064

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/ls.js b/lib/ls.js
index 2310dedb4..ed329d19e 100644
--- a/lib/ls.js
+++ b/lib/ls.js
@@ -39,6 +39,7 @@ function ls (args, silent, cb) {
   var depth = npm.config.get("depth")
   var opt = { depth: depth, log: log.warn, dev: true }
   readInstalled(dir, opt, function (er, data) {
+    pruneNestedExtraneous(data)
     var bfs = bfsify(data, args)
       , lite = getLite(bfs)
 
@@ -75,6 +76,18 @@ function ls (args, silent, cb) {
   })
 }
 
+function pruneNestedExtraneous (data, visited) {
+  visited = visited || []
+  visited.push(data)
+  for (var i in data.dependencies) {
+    if (data.dependencies[i].extraneous) {
+      data.dependencies[i].dependencies = {}
+    } else if (visited.indexOf(data.dependencies[i]) === -1) {
+      pruneNestedExtraneous(data.dependencies[i], visited)
+    }
+  }
+}
+
 function alphasort (a, b) {
   a = a.toLowerCase()
   b = b.toLowerCase()