feat(yarn): add setting to disable adding global dir to `$PATH` (#10642)

plugins/yarn/README.md

@@ -9,6 +9,15 @@ To use it, add `yarn` to the plugins array in your zshrc file:
 plugins=(... yarn)
 ```
 
+## Global scripts directory
+
+It also adds `yarn` global scripts dir (commonly `~/.yarn/bin`) to the `$PATH`.
+To disable this feature, set the following style in your `.zshrc`:
+
+```zsh
+zstyle ':omz:plugins:yarn' global-path false
+```
+
 ## Aliases
 
 | Alias | Command                                   | Description                                                                   |

plugins/yarn/yarn.plugin.zsh

@@ -1,3 +1,4 @@
+if zstyle -T ':omz:plugins:yarn' global-path; then
   # Skip yarn call if default global bin dir exists
   [[ -d "$HOME/.yarn/bin" ]] && bindir="$HOME/.yarn/bin" || bindir="$(yarn global bin 2>/dev/null)"
 
@@ -7,6 +8,7 @@
     && (( ! ${path[(Ie)$bindir]} )) \
     && path+=("$bindir")
   unset bindir
+fi
 
 alias y="yarn"
 alias ya="yarn add"