1 files changed, 58 insertions, 0 deletions
diff --git a/lua/lspconfig/async.lua b/lua/lspconfig/async.lua
new file mode 100644
index 00000000..3421ccc5
--- /dev/null
+++ b/lua/lspconfig/async.lua
@@ -0,0 +1,58 @@
+local M = {}
+
+function M.run(func)
+  coroutine.resume(coroutine.create(function()
+    local status, err = pcall(func)
+    if not status then
+      vim.notify(('[lspconfig] unhandled error: %s'):format(tostring(err)), vim.log.levels.WARN)
+    end
+  end))
+end
+
+--- @param cmd string|string[]
+--- @return string[]?
+function M.run_command(cmd)
+  local co = assert(coroutine.running())
+
+  local stdout = {}
+  local stderr = {}
+  local jobid = vim.fn.jobstart(cmd, {
+    on_stdout = function(_, data, _)
+      data = table.concat(data, '\n')
+      if #data > 0 then
+        stdout[#stdout + 1] = data
+      end
+    end,
+    on_stderr = function(_, data, _)
+      stderr[#stderr + 1] = table.concat(data, '\n')
+    end,
+    on_exit = function()
+      coroutine.resume(co)
+    end,
+    stdout_buffered = true,
+    stderr_buffered = true,
+  })
+
+  if jobid <= 0 then
+    vim.notify(('[lspconfig] cmd go failed:\n%s'):format(table.concat(stderr, '')), vim.log.levels.WARN)
+    return
+  end
+
+  coroutine.yield()
+  if next(stdout) == nil then
+    return nil
+  end
+  return stdout and stdout or nil
+end
+
+function M.reenter()
+  if vim.in_fast_event() then
+    local co = assert(coroutine.running())
+    vim.schedule(function()
+      coroutine.resume(co)
+    end)
+    coroutine.yield()
+  end
+end
+
+return M