feat: plugin manager tasks

lua/lazy/runner.lua

@@ -0,0 +1,68 @@
+---@class Runner
+---@field _tasks LazyTask[]
+local Runner = {}
+
+function Runner.new()
+  local self = setmetatable({}, {
+    __index = Runner,
+  })
+  self._tasks = {}
+
+  return self
+end
+
+---@param task LazyTask
+function Runner:add(task)
+  table.insert(self._tasks, task)
+  task:start()
+end
+
+function Runner:is_empty()
+  return #self._tasks == 0
+end
+
+---@return LazyPlugin[]
+function Runner:plugins()
+  ---@param task LazyTask
+  return vim.tbl_map(function(task)
+    return task.plugin
+  end, self._tasks)
+end
+
+function Runner:tasks()
+  return self._tasks
+end
+
+---@param cb? fun()
+function Runner:wait(cb)
+  if #self._tasks == 0 then
+    return cb and cb()
+  end
+
+  local done = false
+  local check = vim.loop.new_check()
+
+  check:start(function()
+    for _, task in ipairs(self._tasks) do
+      if task.running then
+        return
+      end
+    end
+
+    check:stop()
+
+    done = true
+
+    if cb then
+      vim.schedule(cb)
+    end
+  end)
+
+  if not cb then
+    while not done do
+      vim.wait(100)
+    end
+  end
+end
+
+return Runner