Filter dependencies based on the running version of node. Fix #6

1 files changed, 13 insertions, 1 deletions

diff --git a/lib/install.js b/lib/install.js
index 355fa4307..0f2e0ef6d 100644
--- a/lib/install.js
+++ b/lib/install.js
@@ -72,6 +72,8 @@ function registryInstall (pkglist, cb) {
     // that it's sitting in the cache
     function Continue (er, data) {
       if (er) return log.er(cb, "Error installing "+pkg)(er)
+      if (!data._nodeSupported) return cb(new Error(
+        data.name+"@"+data.version+" not compatible with node@"+process.version))
       seen[data.name+"@"+data.version] = true
       var p = path.join(data.name, data.version)
         , ir = installReg
@@ -172,7 +174,8 @@ function registryInstall (pkglist, cb) {
     // favor defTag version.
     var data = npm.get(name)
       , stable = data["dist-tags"] && data["dist-tags"][defTag]
-    if (stable && semver.satisfies(stable, range)) {
+    filterNodeVersion(data)
+    if (stable && semver.satisfies(stable, range) && data.versions[stable]) {
       log(data.versions[stable], name+"@"+defTag)
       stable = name + "@" + stable
       if (!seen[stable]) pkglist.push(stable)
@@ -188,6 +191,15 @@ function registryInstall (pkglist, cb) {
   })(pkglist.shift())
 }
 
+function filterNodeVersion (data) {
+  for (var v in data.versions) {
+    log(data.versions[v]._nodeSupported, "nodeSupported by "+data.name+"@"+v)
+    if (!data.versions[v]._nodeSupported) {
+      delete data.versions[v]
+    }
+  }
+}
+
 function buildAll (list, cb) {
   if (list.length === 0) {
     return log("Nothing to install", "install", cb)