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local debug = require('cmp.utils.debug')
local autocmd = {}
autocmd.group = vim.api.nvim_create_augroup('___cmp___', { clear = true })
autocmd.events = {}
---Subscribe autocmd
---@param events string|string[]
---@param callback function
---@return function
autocmd.subscribe = function(events, callback)
events = type(events) == 'string' and { events } or events
for _, event in ipairs(events) do
if not autocmd.events[event] then
autocmd.events[event] = {}
vim.api.nvim_create_autocmd(event, {
desc = ('nvim-cmp: autocmd: %s'):format(event),
group = autocmd.group,
callback = function()
autocmd.emit(event)
end,
})
end
table.insert(autocmd.events[event], callback)
end
return function()
for _, event in ipairs(events) do
for i, callback_ in ipairs(autocmd.events[event]) do
if callback_ == callback then
table.remove(autocmd.events[event], i)
break
end
end
end
end
end
---Emit autocmd
---@param event string
autocmd.emit = function(event)
debug.log(' ')
debug.log(string.format('>>> %s', event))
autocmd.events[event] = autocmd.events[event] or {}
for _, callback in ipairs(autocmd.events[event]) do
callback()
end
end
return autocmd
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