Option to Show Node Version Only In Project

README.md

@@ -115,7 +115,7 @@ The segments that are currently available are:
 * **GoLang Segments:**
     * `go_version` - Show the current GO version.
 * **Javascript / Node.js Segments:**
-    * `node_version` - Show the version number of the installed Node.js.
+    * [`node_version`](#node_version) - Show the version number of the installed Node.js.
     * `nodeenv` - [nodeenv](https://github.com/ekalinin/nodeenv) prompt for displaying node version and environment name.
     * `nvm` - Show the version of Node that is currently active, if it differs from the version used by NVM
 * **PHP Segments:**
@@ -643,6 +643,14 @@ you are using the [ZSH Line Editor](http://zsh.sourceforge.net/Doc/Release/Zsh-L
 
 To hide the segment entirely when in `INSERT` mode, set `POWERLEVEL9K_VI_INSERT_MODE_STRING=''`
 
+##### node_version
+
+This segment shows the _NodeJS_ version, that is currently active.
+
+| Variable | Default Value | Description |
+|----------|---------------|-------------|
+|`POWERLEVEL9K_NODE_VERSION_PROJECT_ONLY`|`false`|If `true` this segment only appears inside _NodeJS_ projects described by a `package.json`.|
+
 #### Unit Test Ratios
 
 The `symfony2_tests` and `rspec_stats` segments both show a ratio of "real"

powerlevel9k.zsh-theme

@@ -1043,7 +1043,6 @@ prompt_load() {
 
   # Replace comma
   load_avg=${load_avg//,/.}
-
   if [[ "$load_avg" -gt $((${cores} * 0.7)) ]]; then
     current_state="critical"
   elif [[ "$load_avg" -gt $((${cores} * 0.5)) ]]; then
@@ -1055,13 +1054,37 @@ prompt_load() {
   "$1_prompt_segment" "${0}_${current_state}" "$2" "${load_states[$current_state]}" "$DEFAULT_COLOR" "$load_avg" 'LOAD_ICON'
 }
 
-################################################################
-# Segment to diplay Node version
+# Node version
+set_default POWERLEVEL9K_NODE_VERSION_PROJECT_ONLY=false
+
 prompt_node_version() {
-  local node_version=$(node -v 2>/dev/null)
-  [[ -z "${node_version}" ]] && return
+  if [ "$POWERLEVEL9K_NODE_VERSION_PROJECT_ONLY" = true ] ; then
+    local foundProject=false # Variable to stop searching if a project has been found.
+    local currentDir=$(pwd) # Variable to iterate trough the path reverse.
+
+    # Search as long as no project could been found or the root directory has been reached.
+    while [ "$foundProject" = false -a ! "$currentDir" = "/" ] ; do
+      # Check if directory contain a project description.
+      if [[ -a "$currentDir/package.json" ]] ; then
+        foundProject=true
+      fi
+
+      # Go to the parent directory.
+      currentDir="$(dirname "$currentDir")"
+    done
+  fi
+
+  # Show version if it should been shown always or if a project has been found.
+  if [ "$POWERLEVEL9K_NODE_VERSION_PROJECT_ONLY" = false -o "$foundProject" = true ] ; then
+    # Get the node version.
+    local node_version=$(node -v 2>/dev/null)
 
-  "$1_prompt_segment" "$0" "$2" "green" "white" "${node_version:1}" 'NODE_ICON'
+    # Return if node is not installed (version output empty).
+    [[ -z "${node_version}" ]] && return
+
+    # Define the segments itself.
+    "$1_prompt_segment" "$0" "$2" "green" "white" "${node_version:1}" 'NODE_ICON'
+  fi
 }
 
 ################################################################