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Add string.truthy #26

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Add string.truthy #26

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8 changes: 8 additions & 0 deletions libs/string.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,14 @@ function ext_string.endswith(str, pattern, plain)
end
end

---Returns false if `str` is falsy or an empty string; otherwise, returns `str`
---unchanged.
---@param str string
---@return boolean|string
function ext_string.truthy(str)
return (str and str ~= "") and str or false
end

local pattern_special = [[^$()%.[]*+-?]]
local pattern_match = '[' .. pattern_special:gsub('.', '%%%1') .. ']'

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