no idea

packages/nvim/lua/plugins/mason.lua

@@ -0,0 +1,37 @@
+return {
+
+  "williamboman/mason.nvim",
+  cmd = "Mason",
+  keys = { { "<leader>cm", "<cmd>Mason<cr>", desc = "Mason" } },
+  build = ":MasonUpdate",
+  opts_extend = { "ensure_installed" },
+  opts = {
+    ensure_installed = {
+      "stylua",
+      "shfmt",
+    },
+  },
+  ---@param opts MasonSettings | {ensure_installed: string[]}
+  config = function(_, opts)
+    require("mason").setup(opts)
+    local mr = require("mason-registry")
+    mr:on("package:install:success", function()
+      vim.defer_fn(function()
+        -- trigger FileType event to possibly load this newly installed LSP server
+        require("lazy.core.handler.event").trigger({
+          event = "FileType",
+          buf = vim.api.nvim_get_current_buf(),
+        })
+      end, 100)
+    end)
+
+    mr.refresh(function()
+      for _, tool in ipairs(opts.ensure_installed) do
+        local p = mr.get_package(tool)
+        if not p:is_installed() then
+          p:install()
+        end
+      end
+    end)
+  end,
+}