Files
nvim-cmp/lua/cmp/utils/async.lua
hrsh7th 5054c14490 dev (#956)
* Adjust empty line count

* Implement vim.api.nvim_create_autocmd (#844)

* Implement vim.api.nvim_create_autocmd

* Only use vim.api.nvim_create_autocmd on nighly

* Cleanup

* cleanup

* Rename autos.lua to autocmds.lua

* Fix forgot to rename autos to autocmds

* Remove legacy autocmd

* Add descriptions on autocmds

* Update descriptions on autocmds

* Update CmpStatus command to lua API (#922)

Signed-off-by: Micah Halter <micah@balena.io>

* Move highlights to nvim_set_hl lua API (#925)

Signed-off-by: Micah Halter <micah@balena.io>

* Add default to highlight

* Refactor autocmds

* fmt

* Improve performance

* Fix bug

* Improve matching logic
Fixes https://github.com/hrsh7th/nvim-cmp/discussions/954

* Fix format

* Improve performance
Fix #825

* Fix cmdline redraw bug

* Fix event

Co-authored-by: hrsh7th <>
Co-authored-by: zer09 <zer09@users.noreply.github.com>
Co-authored-by: Micah Halter <micah@mehalter.com>
2022-05-04 01:47:01 +09:00

130 lines
2.6 KiB
Lua

local feedkeys = require('cmp.utils.feedkeys')
local async = {}
---@class cmp.AsyncThrottle
---@field public running boolean
---@field public timeout number
---@field public sync function(self: cmp.AsyncThrottle, timeout: number|nil)
---@field public stop function
---@field public __call function
---@param fn function
---@param timeout number
---@return cmp.AsyncThrottle
async.throttle = function(fn, timeout)
local time = nil
local timer = vim.loop.new_timer()
return setmetatable({
running = false,
timeout = timeout,
sync = function(self, timeout_)
vim.wait(timeout_ or 1000, function()
return not self.running
end)
end,
stop = function()
time = nil
timer:stop()
end,
}, {
__call = function(self, ...)
local args = { ... }
if time == nil then
time = vim.loop.now()
end
self.running = true
timer:stop()
timer:start(math.max(1, self.timeout - (vim.loop.now() - time)), 0, function()
vim.schedule(function()
time = nil
fn(unpack(args))
self.running = false
end)
end)
end,
})
end
---Control async tasks.
async.step = function(...)
local tasks = { ... }
local next
next = function(...)
if #tasks > 0 then
table.remove(tasks, 1)(next, ...)
end
end
table.remove(tasks, 1)(next)
end
---Timeout callback function
---@param fn function
---@param timeout number
---@return function
async.timeout = function(fn, timeout)
local timer
local done = false
local callback = function(...)
if not done then
done = true
timer:stop()
timer:close()
fn(...)
end
end
timer = vim.loop.new_timer()
timer:start(timeout, 0, function()
callback()
end)
return callback
end
---@alias cmp.AsyncDedup fun(callback: function): function
---Create deduplicated callback
---@return function
async.dedup = function()
local id = 0
return function(callback)
id = id + 1
local current = id
return function(...)
if current == id then
callback(...)
end
end
end
end
---Convert async process as sync
async.sync = function(runner, timeout)
local done = false
runner(function()
done = true
end)
vim.wait(timeout, function()
return done
end, 10, false)
end
---Wait and callback for next safe state.
async.debounce_safe_state = function(callback)
local running = false
return function()
if running then
return
end
running = true
feedkeys.call('', 'n', function()
running = false
callback()
end)
end
end
return async