LÖVE

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local Utils={}

function Utils.serialize(o,str,indent)
	indent=indent or 1
	local t=type(o)
	if t=="function" then
		-- skip
	elseif t=="boolean" then
		str=str..tostring(o)..",\n"
	elseif t=="number" then
		str=str..o..",\n"
	elseif t=="string" then
		str=str..string.format("%q",o)..",\n"
	elseif t=="table" then
		if indent==1 then
			str="return {\n"
		else
			str=str.."{\n"
		end
		local spaces=string.rep("  ",indent)
		for k,v in pairs(o) do
			local tv=type(v)
			if tv~="function" then
				local tk=type(k)
				if tk=="string" then
					str=str..spaces..k.."="
				elseif tk=="number" then
					str=str..spaces.."["..tostring(k).."]="
				end
				str=Utils.serialize(v,str,indent+1)
			end
		end
		if indent>1 then
			local espaces=string.rep("  ",indent-1)
			str=str..espaces.."},\n"
		else
			str=str.."}\n"
		end
	else
		error("cannot serialize a "..tostring(t))
	end
	
	return str
end

return Utils

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local Utils=require("src/utils")

-- convert table tbl1 to string str
local tbl1={width=150,height=160,stats={str=15,dex=18,con=10},hitpoints=50,items={[1]="apple",[2]="corn"},}
local str=Utils.serialize(tbl1)
print(str)

-- write string of tbl1 to tbl1.lua in love 2D save folder in appdata
love.filesystem.write("tbl1.lua",str)

-- get the lua code for tbl1 from tbl1.lua file as a pointer chunk
local chunk=love.filesystem.load("tbl1.lua")

-- now if you call it like this you get back your stored table. then check it in debugger to see if it is correctly restored
local tbl=chunk()

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local ser = require('serial')
print(ser.serialize({["It's raning"] = true, [{}] = true, [false] = false}))

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{
[123]="abc",
["afg"]="589,
[12]={dog="waffles",age=13,size="-----"},
}