#113 power formatting on turbine energy in main overview

graphics/elements/indicators/data.lua

@@ -4,29 +4,6 @@ local util    = require("scada-common.util")
 
 local element = require("graphics.element")
 
--- format a number string with commas as the thousands separator
---
--- subtracts from spaces at the start if present for each comma used
----@param num string number string
----@return string
-local function comma_format(num)
-    local formatted = num
-    local commas = 0
-    local i = 1
-
-    while i > 0 do
-        formatted, i = formatted:gsub("^(%s-%d+)(%d%d%d)", '%1,%2')
-        if i > 0 then commas = commas + 1 end
-    end
-
-    local _, num_spaces = formatted:gsub(" %s-", "")
-    local remove = math.min(num_spaces, commas)
-
-    formatted = string.sub(formatted, remove + 1)
-
-    return formatted
-end
-
 ---@class data_indicator_args
 ---@field label string indicator label
 ---@field unit? string indicator unit
@@ -78,7 +55,7 @@ local function data(args)
         e.window.setCursorPos(data_start, 1)
         e.window.setTextColor(e.fg_bg.fgd)
         if args.commas then
-            e.window.write(comma_format(data_str))
+            e.window.write(util.comma_format(data_str))
         else
             e.window.write(data_str)
         end