From 5c2591152e5e2b357b715ddb53c5ce881032835a Mon Sep 17 00:00:00 2001
From: topkecleon <andwag@outlook.com>
Date: Sun, 23 Aug 2015 02:10:37 -0400
Subject: [PATCH] Users can now display a list of reactions.lua options using
 /reactions, a help message dynamically generated at plugin load and
 streamlined into the reactions system.

---
 plugins/reaction.lua | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/plugins/reaction.lua b/plugins/reaction.lua
index 938fb43..2e8907f 100644
--- a/plugins/reaction.lua
+++ b/plugins/reaction.lua
@@ -1,6 +1,4 @@
-local PLUGIN = {}
-
-PLUGIN.triggers = {
+local triggers = {
 	['¯\\_(ツ)_/¯'] = '/shrug$',
 	['( ͡° ͜ʖ ͡°)'] = '/lenny$',
 	['(╯°□°）╯︵ ┻━┻'] = '/flip$',
@@ -8,11 +6,11 @@ PLUGIN.triggers = {
 	['ಠ_ಠ'] = '/look$'
 }
 
-function PLUGIN.action(msg)
+local action = function(msg)
 
 	local message = string.lower(msg.text)
 
-	for k,v in pairs(PLUGIN.triggers) do
+	for k,v in pairs(triggers) do
 		if string.match(message, v) then
 			message = k
 		end
@@ -26,4 +24,17 @@ function PLUGIN.action(msg)
 
 end
 
-return PLUGIN
+-- The following block of code will generate a list of reactions add the trigger "/reactions" to display it.
+-- Thanks to @Imandaneshi for the idea and early implementation.
+local help = ''
+for k,v in pairs(triggers) do
+	if v ~= '^/reactions?' then
+		help = help .. v:gsub('%$', ': ') .. k .. '\n'
+	end
+end
+triggers[help] = '^/reactions'
+
+return {
+	triggers = triggers,
+	action = action
+}