neovim-confs/lua/lazyvim/util/inject.lua

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2024-01-11 11:44:26 +01:00
---@class lazyvim.util.inject
local M = {}
---@generic A: any
---@generic B: any
---@generic C: any
---@generic F: function
---@param fn F|fun(a:A, b:B, c:C)
---@param wrapper fun(a:A, b:B, c:C): boolean?
---@return F
function M.args(fn, wrapper)
return function(...)
if wrapper(...) == false then
return
end
return fn(...)
end
end
function M.get_upvalue(func, name)
local i = 1
while true do
local n, v = debug.getupvalue(func, i)
if not n then
break
end
if n == name then
return v
end
i = i + 1
end
end
return M