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better unit check error

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This commit is contained in:
Michael Freno
2025-11-14 22:49:08 -05:00
parent f35bb11770
commit 2504ae506e
3 changed files with 30 additions and 27 deletions
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11
modules/Units.lua
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@@ -29,6 +29,15 @@ function Units.parse(value)
return 0, "px"
end
-- Check for unit-only input (e.g., "px", "%", "vw" without a number)
local validUnits = { px = true, ["%"] = true, vw = true, vh = true, ew = true, eh = true }
if validUnits[value] then
if ErrorHandler then
ErrorHandler.error("Units", string.format("Missing numeric value before unit '%s'. Use format like '50%s' (e.g., '50px', '10%%', '2vw')", value, value))
end
return 0, "px"
end
-- Check for invalid format (space between number and unit)
if value:match("%d%s+%a") then
if ErrorHandler then
@@ -59,7 +68,7 @@ function Units.parse(value)
unit = "px"
end
local validUnits = { px = true, ["%"] = true, vw = true, vh = true, ew = true, eh = true }
-- validUnits is already defined at the top of the function
if not validUnits[unit] then
if ErrorHandler then
ErrorHandler.error("Units", string.format("Unknown unit '%s' in '%s'. Valid units: px, %%, vw, vh, ew, eh", unit, value))