Code formatting. Thank you luacheck :P

api.lua

@@ -1,4 +1,3 @@
-
 function yl_announcements.get_all_anncouncements()
     return yl_announcements.data or {}
 end

chatcommand_add.lua

@@ -1,8 +1,10 @@
 local chatcommand_cmd = "announcement_add"
 local chatcommand_definition = {
-    params = "<message>$<frequency in minutes>$<runtime in minutes>", -- Short parameter description
+    params = "<message>$<frequency in minutes>$<runtime in minutes>",
-    description = "Sends the message each frequency minutes for a maximum number of runtime minutes.", -- Full description
+    description = "Sends the message each frequency minutes for a maximum number of runtime minutes.",
-    privs = {[yl_announcements.settings.admin_priv] = true}, -- Require the "privs" privilege to run
+    privs = {
+        [yl_announcements.settings.admin_priv] = true
+    }, -- Require the "privs" privilege to run
     func = function(name, param)
         local success, message = yl_announcements.chatcommand_announcement_add(name, param)
 
@@ -10,7 +12,8 @@ local chatcommand_definition = {
             minetest.log("action", "[yl_announcements] player " .. name .. " added new announcement: " .. param)
             return true, message
         else
-            minetest.log("warning", "[yl_announcements] player " .. name .. " added new announcement: " .. param .. " unsuccessfully, message: " .. message)
+            minetest.log("warning", "[yl_announcements] player " .. name .. " added new announcement: " .. param ..
+                " unsuccessfully, message: " .. message)
             return false, message
         end
     end

chatcommand_delete.lua

@@ -2,7 +2,9 @@ local chatcommand_cmd = "announcement_delete"
 local chatcommand_definition = {
     params = "<announcement ID>", -- Short parameter description
     description = "Delete the announcement ID.", -- Full description
-    privs = {[yl_announcements.settings.admin_priv] = true}, -- Require the "privs" privilege to run
+    privs = {
+        [yl_announcements.settings.admin_priv] = true
+    }, -- Require the "privs" privilege to run
     func = function(name, param)
         local success, message = yl_announcements.chatcommand_announcement_delete(name, param)
 
@@ -10,7 +12,9 @@ local chatcommand_definition = {
             minetest.log("action", "[yl_announcements] player " .. name .. " deleted new announcement: " .. param)
             return true, message
         else
-            minetest.log("warning", "[yl_announcements] player " .. name .. " deleted new announcement: " .. param .. " unsuccessfully, message: " .. message)
+            minetest.log("warning",
+                "[yl_announcements] player " .. name .. " deleted new announcement: " .. param ..
+                    " unsuccessfully, message: " .. message)
             return false, message
         end
     end

chatcommand_list.lua

@@ -2,7 +2,9 @@ local chatcommand_cmd = "announcement_list"
 local chatcommand_definition = {
     params = "<announcement ID>", -- Short parameter description
     description = "List announcement with ID to you.", -- Full description
-    privs = {[yl_announcements.settings.admin_priv] = true},
+    privs = {
+        [yl_announcements.settings.admin_priv] = true
+    },
     func = function(name, param)
         local success, message = yl_announcements.chatcommand_announcement_list(name, param)
 
@@ -10,7 +12,8 @@ local chatcommand_definition = {
             minetest.log("action", "[yl_announcements] player " .. name .. " lists announcement: " .. param)
             return true, message
         else
-            minetest.log("warning", "[yl_announcements] player " .. name .. " lists announcement: " .. param .. " unsuccessfully, message: " .. message)
+            minetest.log("warning", "[yl_announcements] player " .. name .. " lists announcement: " .. param ..
+                " unsuccessfully, message: " .. message)
             return false, message
         end
     end

chatcommand_list_all.lua

@@ -2,7 +2,9 @@ local chatcommand_cmd = "announcement_list_all"
 local chatcommand_definition = {
     params = "", -- Short parameter description
     description = "Lists all announcements to you.", -- Full description
-    privs = {[yl_announcements.settings.admin_priv] = true},
+    privs = {
+        [yl_announcements.settings.admin_priv] = true
+    },
     func = function(name, param)
         local success, message = yl_announcements.chatcommand_announcement_list_all(name, param)
 
@@ -10,7 +12,9 @@ local chatcommand_definition = {
             minetest.log("action", "[yl_announcements] player " .. name .. " lists all announcements: " .. param)
             return true, message
         else
-            minetest.log("warning", "[yl_announcements] player " .. name .. " lists all announcements: " .. param .. " unsuccessfully, message: " .. message)
+            minetest.log("warning",
+                "[yl_announcements] player " .. name .. " lists all announcements: " .. param ..
+                    " unsuccessfully, message: " .. message)
             return false, message
         end
     end

chatcommand_say.lua

@@ -2,7 +2,9 @@ local chatcommand_cmd = "announcement_say"
 local chatcommand_definition = {
     params = "<announcement ID>", -- Short parameter description
     description = "Say the announcement with ID in main chat.", -- Full description
-    privs = {[yl_announcements.settings.admin_priv] = true},
+    privs = {
+        [yl_announcements.settings.admin_priv] = true
+    },
     func = function(name, param)
         local success, message = yl_announcements.chatcommand_announcement_say(name, param)
 
@@ -10,7 +12,8 @@ local chatcommand_definition = {
             minetest.log("action", "[yl_announcements] player " .. name .. " sent announcement: " .. param)
             return true, message
         else
-            minetest.log("warning", "[yl_announcements] player " .. name .. " sent announcement: " .. param .. " unsuccessfully, message: " .. message)
+            minetest.log("warning", "[yl_announcements] player " .. name .. " sent announcement: " .. param ..
+                " unsuccessfully, message: " .. message)
             return false, message
         end
     end

chatcommand_say_all.lua

@@ -2,7 +2,9 @@ local chatcommand_cmd = "announcement_say_all"
 local chatcommand_definition = {
     params = "", -- Short parameter description
     description = "Say all announcements in main chat.", -- Full description
-    privs = {[yl_announcements.settings.admin_priv] = true},
+    privs = {
+        [yl_announcements.settings.admin_priv] = true
+    },
     func = function(name, param)
         local success, message = yl_announcements.chatcommand_announcement_say_all(name, param)
 
@@ -10,7 +12,8 @@ local chatcommand_definition = {
             minetest.log("action", "[yl_announcements] player " .. name .. " sent all announcements: " .. param)
             return true, message
         else
-            minetest.log("warning", "[yl_announcements] player " .. name .. " sent all announcements: " .. param .. " unsuccessfully, message: " .. message)
+            minetest.log("warning", "[yl_announcements] player " .. name .. " sent all announcements: " .. param ..
+                " unsuccessfully, message: " .. message)
             return false, message
         end
     end

internal.lua

@@ -1,24 +1,27 @@
-
--- The functions and variables in this file are only for use in the mod itself. Those that do real work should be local and wrapped in public functions
-
 function yl_announcements.load_announcements()
-	yl_announcements.data = minetest.parse_json(mod_storage:get_string("data")) or {}
+    yl_announcements.data = minetest.parse_json(yl_announcements.mod_storage:get_string("data")) or {}
 end
 
 function yl_announcements.save_announcements()
-	mod_storage:set_string("data", minetest.write_json(yl_announcements.data))
+    yl_announcements.mod_storage:set_string("data", minetest.write_json(yl_announcements.data))
 end
 
 -- Chatcommands
 
-yl_announcements.chatcommand_announcement_list
+function yl_announcements.chatcommand_announcement_add(name, param)
+end
 
-yl_announcements.chatcommand_announcement_list_all
+function yl_announcements.chatcommand_announcement_delete(name, param)
+end
 
-yl_announcements.chatcommand_announcement_delete
+function yl_announcements.chatcommand_announcement_list_all(name, param)
+end
 
-yl_announcements.chatcommand_announcement_add
+function yl_announcements.chatcommand_announcement_list(name, param)
+end
 
-yl_announcements.chatcommand_announcement_say
+function yl_announcements.chatcommand_announcement_say_all(name, param)
+end
 
-yl_announcements.chatcommand_announcement_say_all
+function yl_announcements.chatcommand_announcement_say(name, param)
+end