A package.json install that works.

It's an ugly hack, but it works.

install.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+dir=$npm_config_root/.npm/$npm_package_name/$npm_package_version/package
+
+# add lines to the bashrc.
+has=$(cat ~/.bashrc | egrep "^# ADDED BY npm FOR NVM$" || true)
+if [ "x$has" != "x" ]; then
+  exit 0
+fi
+cat <<NVM_CODE >>~/.bashrc
+# ADDED BY npm FOR NVM
+NVM_DIR=$dir
+. \$NVM_DIR/nvm.sh
+nvm use
+# END ADDED BY npm FOR NVM
+NVM_CODE
+
+cat <<NVM_HOWTO
+
+  To use nvm, source your .bashrc file like this:
+    . ~/.bashrc
+  or log out and back into your terminal.
+
+NVM_HOWTO