From cda3afe9e0cede411e73138f480f3ace610a78d7 Mon Sep 17 00:00:00 2001
From: EmilySeville7cfg <EmilySeville7cf@gmail.com>
Date: Wed, 16 Mar 2022 09:55:39 +1000
Subject: [PATCH] Define aliases just when yarn is installed

---
 aliases/available/yarn.aliases.bash | 86 +++++++++++++++--------------
 1 file changed, 46 insertions(+), 40 deletions(-)

diff --git a/aliases/available/yarn.aliases.bash b/aliases/available/yarn.aliases.bash
index af8c7adb..f30bfae0 100644
--- a/aliases/available/yarn.aliases.bash
+++ b/aliases/available/yarn.aliases.bash
@@ -1,50 +1,56 @@
 cite 'about-alias'
 about-alias 'yarn package manager aliases'
 
-# Aliases
-alias ya='yarn' # [ya]rn
-alias yain='yarn init' # [ya]rn [in]it
+_set_yarn_aliases() {
+	if _command_exists yarn; then
+		# Aliases
+		alias ya='yarn' # [ya]rn
+		alias yain='yarn init' # [ya]rn [in]it
 
-alias yaad='yarn add' # [ya]rn [ad]d
-alias yaglad='yarn global add' # [ya]rn [gl]obal [ad]d
-alias yaadde='yarn add --dev' # [ya]rn [ad]d --[de]v
+		alias yaad='yarn add' # [ya]rn [ad]d
+		alias yaglad='yarn global add' # [ya]rn [gl]obal [ad]d
+		alias yaadde='yarn add --dev' # [ya]rn [ad]d --[de]v
 
-alias yaup='yarn upgrade' # [ya]rn [up]grade
+		alias yaup='yarn upgrade' # [ya]rn [up]grade
 
-alias yare='yarn remove' # [ya]rn [re]move
-alias yaglre='yarn global remove' # [ya]rn [gl]obal [re]move
-alias yarede='yarn remove --dev' # [ya]rn [re]move --[de]v
+		alias yare='yarn remove' # [ya]rn [re]move
+		alias yaglre='yarn global remove' # [ya]rn [gl]obal [re]move
+		alias yarede='yarn remove --dev' # [ya]rn [re]move --[de]v
 
-alias yaou='yarn outdated' # [ya]rn [ou]tdated
-alias yapa='yarn pack' # [ya]rn [pa]ck
-alias yapu='yarn publish' # [ya]rn [pu]blish
-alias yaseup='yarn self-update' # [ya]rn [se]lf-[up]date
+		alias yaou='yarn outdated' # [ya]rn [ou]tdated
+		alias yapa='yarn pack' # [ya]rn [pa]ck
+		alias yapu='yarn publish' # [ya]rn [pu]blish
+		alias yaseup='yarn self-update' # [ya]rn [se]lf-[up]date
 
-alias yaru='yarn run' # [ya]rn [ru]n
-alias yate='yarn test' # [ya]rn [te]st
-alias yase='yarn serve' # [ya]rn [se]rve
+		alias yaru='yarn run' # [ya]rn [ru]n
+		alias yate='yarn test' # [ya]rn [te]st
+		alias yase='yarn serve' # [ya]rn [se]rve
 
-alias yacacl='yarn cache clean' # [ya]rn [ca]che [cl]ean
-alias yach='yarn check' # [ya]rn [ch]eck
-alias yali='yarn list' # [ya]rn [li]st
-alias yain='yarn info' # [ya]rn [in]fo
-alias yalili='yarn licenses list' # [ya]rn [li]censes [li]st
+		alias yacacl='yarn cache clean' # [ya]rn [ca]che [cl]ean
+		alias yach='yarn check' # [ya]rn [ch]eck
+		alias yali='yarn list' # [ya]rn [li]st
+		alias yain='yarn info' # [ya]rn [in]fo
+		alias yalili='yarn licenses list' # [ya]rn [li]censes [li]st
 
-# Aliases for backward compatibility
-alias yai='yarn init'
-alias yaa='yarn add'
-alias yaga='yarn global add'
-alias yaad='yarn add --dev'
-alias yau='yarn upgrade'
-alias yarm='yarn remove'
-alias yagrm='yarn global remove'
-alias yaod='yarn outdated'
-alias yap='yarn publish'
-alias yasu='yarn self-update'
-alias yat='yarn test'
-alias yas='yarn serve'
-alias yacc='yarn cache clean'
-alias yack='yarn check'
-alias yals='yarn list'
-alias yaloi='yarn login'
-alias yaloo='yarn logout'
+		# Aliases for backward compatibility
+		alias yai='yarn init'
+		alias yaa='yarn add'
+		alias yaga='yarn global add'
+		alias yaad='yarn add --dev'
+		alias yau='yarn upgrade'
+		alias yarm='yarn remove'
+		alias yagrm='yarn global remove'
+		alias yaod='yarn outdated'
+		alias yap='yarn publish'
+		alias yasu='yarn self-update'
+		alias yat='yarn test'
+		alias yas='yarn serve'
+		alias yacc='yarn cache clean'
+		alias yack='yarn check'
+		alias yals='yarn list'
+		alias yaloi='yarn login'
+		alias yaloo='yarn logout'
+	fi
+}
+
+_set_yarn_aliases