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