lualine.nvim/lua/lualine/utils/job.lua

45 lines
1.1 KiB
Lua

-- Wrapper arround job api
local Job = setmetatable({
start = function(self)
self.job_id = vim.fn.jobstart(self.args.cmd, self.args)
return self.job_id > 0
end,
stop = function(self)
if self.killed then
return
end
if self.job_id and self.job_id > 0 then
vim.fn.jobstop(self.job_id)
end
self.job_id = 0
self.killed = true
end,
-- Wraps callbacks so they are only called when job is alive
-- This avoids race conditions
wrap_cb_alive = function(self, name)
local original_cb = self.args[name]
if original_cb then
self.args[name] = function(...)
if not self.killed then
return original_cb(...)
end
end
end
end,
}, {
__call = function(self, args)
args = vim.deepcopy(args or {})
if type(args.cmd) == 'string' then
args.cmd = vim.split(args.cmd, ' ')
end
self.__index = self
local job = setmetatable({ args = args }, self)
job:wrap_cb_alive 'on_stdout'
job:wrap_cb_alive 'on_stderr'
job:wrap_cb_alive 'on_stdin'
return job
end,
})
return Job