perf(Mode): remove `InputBytes` class

lua/libmodal/src/Mode.lua

@@ -13,23 +13,16 @@ local utils = require 'libmodal/src/utils'
 --- @field private help? libmodal.utils.Help
 --- @field private indicator libmodal.utils.Indicator
 --- @field private input libmodal.utils.Vars
+--- @field private input_bytes? number[]
 --- @field private instruction fun()|{[string]: fun()|string}
 --- @field private mappings libmodal.collections.ParseTable
 --- @field private name string
 --- @field private popups libmodal.collections.Stack
+--- @field private show_name fun()
 --- @field private supress_exit boolean
 --- @field private timeouts_enabled boolean
 local Mode = utils.classes.new()
 
-local InputBytes = utils.classes.new(
-{
-	clear = function(self)
-		for i, _ in ipairs(self) do
-			self[i] = nil
-		end
-	end
-})
-
 local HELP = '?'
 local TIMEOUT =
 {
@@ -70,7 +63,7 @@ function Mode:check_input_for_mapping()
 			self.help:show()
 		end
 
-		self.input_bytes:clear()
+		self.input_bytes = {}
 	elseif command_type == globals.TYPE_TBL and globals.is_true(self.timeouts_enabled) then -- the command was a table, meaning that it MIGHT match.
 		self.flush_input_timer:start( -- start the timer
 			TIMEOUT.LEN, 0, vim.schedule_wrap(function()
@@ -81,14 +74,14 @@ function Mode:check_input_for_mapping()
 					self.execute_instruction(cmd[ParseTable.CR])
 				end
 				-- clear input
-				self.input_bytes:clear()
+				self.input_bytes = {}
 				self.popups:peek():refresh(self.input_bytes)
 			end)
 		)
 	else -- the command was an actual vim command.
 		--- @diagnostic disable-next-line:param-type-mismatch already checked `cmd` != `table`
 		self.execute_instruction(cmd)
-		self.input_bytes:clear()
+		self.input_bytes = {}
 	end
 
 	self.popups:peek():refresh(self.input_bytes)
@@ -137,7 +130,7 @@ function Mode:get_user_input()
 	end
 
 	-- echo the indicator.
-	self:show_name()
+	self.show_name()
 
 	-- capture input.
 	local user_input = vim.fn.getchar()
@@ -188,13 +181,11 @@ function Mode:tear_down()
 	utils.api.redraw()
 end
 
-return
+--- create a new mode.
-{
+--- @param name string the name of the mode.
-	--- create a new mode.
+--- @param instruction fun()|string|table a Lua function, keymap dictionary, Vimscript command.
-	--- @param name string the name of the mode.
+--- @return libmodal.Mode
-	--- @param instruction fun()|string|table a Lua function, keymap dictionary, Vimscript command.
+function Mode.new(name, instruction, supress_exit)
-	--- @return libmodal.Mode
-	new = function(name, instruction, supress_exit)
 	name = vim.trim(name)
 
 	-- inherit the metatable.
@@ -230,7 +221,7 @@ return
 			self.help = utils.Help.new(self.instruction, 'KEY MAP')
 		end
 
-			self.input_bytes = setmetatable({}, InputBytes)
+		self.input_bytes = {}
 
 		-- build the parse tree.
 		--- @diagnostic disable-next-line:param-type-mismatch already checked `self.instruction` != `table`
@@ -247,5 +238,6 @@ return
 	end
 
 	return self
-	end
+end
-}
+
+return Mode