wehub-resource-sync
34 lines
1013 B
Lua
34 lines
1013 B
Lua
local type = type
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local xpcall = xpcall
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local require = require
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local error = error
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local find = string.find
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local _M = {}
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--- Try to load a module.
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-- Will not throw an error if the module was not found, but will throw an error if the
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-- loading failed for another reason (eg: syntax error).
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-- @param module_name Path of the module to load (ex: kong.plugins.keyauth.api).
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-- @return success A boolean indicating whether the module was found.
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-- @return module The retrieved module, or the error in case of a failure
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function _M.load_module_if_exists(module_name)
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local status, res = xpcall(require, debug.traceback, module_name)
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if status then
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return true, res
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end
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-- Here we match any character because if a module has a dash '-' in its name, we would need to escape it.
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if type(res) == "string" and find(res, "module '" .. module_name .. "' not found", nil, true) then
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return false, res
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end
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error("error loading module '" .. module_name .. "':\n" .. res)
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end
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return _M
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