1 files changed, 63 insertions, 4 deletions
diff --git a/pkgs/astal/src/lib.lua b/pkgs/astal/src/lib.lua
index 93f4bc1..992c0af 100644
--- a/pkgs/astal/src/lib.lua
+++ b/pkgs/astal/src/lib.lua
@@ -1,4 +1,7 @@
+local astal = require("astal")
 local Variable = require("astal").Variable
+local Astal = require("astal.gtk3").Astal
+local GLib = astal.require("GLib")
 
 local lib
 
@@ -55,12 +58,31 @@ lib = {
 		return new_arr
 	end,
 
-	--- returns length of table
-	count = function(array)
-		if not array then
+	--- returns if value is an array
+	is_array = function(val)
+		return type(val) == 'table'
+	end,
+
+	--- returns if value is an string
+	is_string = function(val)
+		return type(val) == 'string'
+	end,
+
+	--- returns if value is nil
+	is_nil = function(val)
+		return val == nil
+	end,
+
+	--- returns length of table or string
+	count = function(val)
+		if lib.is_array(val) then
+			return #val
+		elseif lib.is_string(val) then
+			return val:len()
+		elseif lib.is_nil(val) then
 			return 0
 		else
-			return #array
+			return nil
 		end
 	end,
 
@@ -73,6 +95,43 @@ lib = {
 	neg = function(val)
 		return not val
 	end,
+
+	--- better truthy function
+	is_true = function(val)
+		-- zero is false
+		if val == 0 then
+			return false
+		end
+
+		-- empty array or string is false
+		if lib.empty(val) then
+			return false
+		end
+
+		-- default truthyness
+		return val and true or false
+	end,
+
+	--- better fasly function
+	is_false = function(val)
+		return not lib.is_true(val)
+	end,
+
+	--- checks if a file exists
+	file_exists = function(path)
+		return GLib.file_test(path, "EXISTS")
+	end,
+
+	--- checks if a string is an icon
+	is_icon = function(icon)
+		return Astal.Icon.lookup_icon(icon) ~= nil
+	end,
+
+	--- formats a time
+	time = function(time, format)
+		format = format or "%H:%M"
+		return GLib.DateTime.new_from_unix_local(time):format(format)
+	end,
 }
 
 return lib