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13 lines
385 B
Lua
13 lines
385 B
Lua
--- Converts input to a value of type Boolean.
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-- @param arg any Input to convert
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-- @returns boolean
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local function to_boolean(arg)
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local typ = type(arg)
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if typ == "boolean" then return arg
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elseif typ == "number" and arg > 0 then return true
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elseif arg == "false" or arg == "no" then return false
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elseif typ ~= "nil" then return true
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else return false end
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end
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return to_boolean
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