ryanpback · August 20, 2022 20:15 · Jul 1, 2022 · Jul 1, 2022 · Jul 1, 2022 · Jul 1, 2022
diff --git a/autoload-nvm b/autoload-nvm
@@ -32,10 +32,8 @@ preexec() {
       local current_version=$(nvm version)
       local current_clean_version=${current_version:gs/v/}
 
-      # Probably need to handle what happens if I don't
-      # have the correct node version installed
       if [[ "$clean_version" != "$current_clean_version" ]]; then
-        nvm use $clean_version
+        nvm use $clean_version || nvm install $clean_version
       fi
     else
       nvm use default

diff --git a/autoload-nvm b/autoload-nvm
@@ -3,11 +3,11 @@
 # This version will get your current working directory and traverse each directory looking for a `.nvmrc` file until it reaches your current directory.
 # Once it finds the closest directory with a `.nvmrc` file, it will store that version in a variable `$NVM_VERSION_TO_USE`.
 
-# Next is to hook into the preexec hook. If the command you're running starts with yarn, npm, or node (could maybe check others as well - any command that would envoke node),
+# Next is to hook into the preexec hook. If the command you're running starts with yarn, npm, or node (could maybe check others as well - any command that would invoke node),
 # it will then set the node version using NVM.
 
 # Running a yarn command has its own delay (install, test, start, etc.) so the small lag before the yarn command is negligable.
-# It will also only set the node version once so long as you haven't switched directories, so subsequent envoking of yarn is quick.
+# It will also only set the node version once so long as you haven't switched directories, so subsequent invoking of yarn is quick.
 
 # To run this, add the below script to your .zshrc file or clone this and source it from your .zshrc file. Then:
 

diff --git a/autoload-nvm b/autoload-nvm
@@ -9,6 +9,17 @@
 # Running a yarn command has its own delay (install, test, start, etc.) so the small lag before the yarn command is negligable.
 # It will also only set the node version once so long as you haven't switched directories, so subsequent envoking of yarn is quick.
 
+# To run this, add the below script to your .zshrc file or clone this and source it from your .zshrc file. Then:
+
+# Add the following in your .zshrc file
+# anywhere below nvm is loaded
+# autoload -U add-zsh-hook
+# add-zsh-hook chpwd switch-node
+# switch-node
+
+
+----------------------------------------------------------------------------
+
 
 # Prior to one of the following commands being executed,
 # instantiate which node version to use based on switch_node
@@ -63,9 +74,3 @@ switch-node() {
     export NVM_VERSION_TO_USE="$(cat $closest/.nvmrc)"
   fi
 }
-
-# Add the following in your .zshrc file
-# anywhere below nvm is loaded
-# autoload -U add-zsh-hook
-# add-zsh-hook chpwd switch-node
-# switch-node
diff --git a/autoload-nvm b/autoload-nvm
@@ -0,0 +1,71 @@
+# This is how I've managed to make this work with the least amount of lag time.
+# load-nvm from NVM checks the node version every time you cd into another directory which causes noticeable delays.
+# This version will get your current working directory and traverse each directory looking for a `.nvmrc` file until it reaches your current directory.
+# Once it finds the closest directory with a `.nvmrc` file, it will store that version in a variable `$NVM_VERSION_TO_USE`.
+
+# Next is to hook into the preexec hook. If the command you're running starts with yarn, npm, or node (could maybe check others as well - any command that would envoke node),
+# it will then set the node version using NVM.
+
+# Running a yarn command has its own delay (install, test, start, etc.) so the small lag before the yarn command is negligable.
+# It will also only set the node version once so long as you haven't switched directories, so subsequent envoking of yarn is quick.
+
+
+# Prior to one of the following commands being executed,
+# instantiate which node version to use based on switch_node
+preexec() {
+  if [[ "$1" =~ "^yarn" || "$1" =~ "^npm" || "$1" =~ "^node" ]]; then
+    if [[ $NVM_VERSION_TO_USE != "empty" ]]; then
+      # remove the 'v' from `cat`ting the .nvmrc file.
+      # Sometimes it exists, other times it doesn't
+      local clean_version=${NVM_VERSION_TO_USE:gs/v/}
+      local current_version=$(nvm version)
+      local current_clean_version=${current_version:gs/v/}
+
+      # Probably need to handle what happens if I don't
+      # have the correct node version installed
+      if [[ "$clean_version" != "$current_clean_version" ]]; then
+        nvm use $clean_version
+      fi
+    else
+      nvm use default
+    fi
+  fi
+}
+
+# Traverse directories to find closest node
+# version and store as variable for later.
+switch-node() {
+  local pwd="$PWD"
+  local pwd_list=("${(@s:/:)pwd}")
+  local closest=""
+  local buildPath=""
+
+  # Could be improved by traversing up rather than down.
+  for ((i = 2; i <= $#pwd_list; i++)); do
+    local pathname=${pwd_list[i]}
+
+    if [[ "$i" == "2" ]]; then
+      buildPath="/$pathname"
+    else
+      buildPath="$buildPath/$pathname"
+    fi
+
+    if [ -f "${buildPath}/.nvmrc" ]; then
+      closest=$buildPath
+    fi
+  done
+
+  # Set variable for later use. Don't switch
+  # to version unless node is needed
+  if [[ $closest == "" ]]; then
+    export NVM_VERSION_TO_USE="empty"
+  else
+    export NVM_VERSION_TO_USE="$(cat $closest/.nvmrc)"
+  fi
+}
+
+# Add the following in your .zshrc file
+# anywhere below nvm is loaded
+# autoload -U add-zsh-hook
+# add-zsh-hook chpwd switch-node
+# switch-node
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