Rework into opts, modify pdfviewer to be os dependent

lua/lazyvim/plugins/extras/lang/r.lua

@@ -7,9 +7,9 @@ return {
   end,
   {
     "R-nvim/R.nvim",
-    config = function()
+    lazy = false,
+    opts = {
       -- Create a table with the options to be passed to setup()
-      local opts = {
       R_args = { "--quiet", "--no-save" },
       hook = {
         on_filetype = function()
@@ -19,7 +19,7 @@ return {
           vim.api.nvim_buf_set_keymap(0, "n", "<Enter>", "<Plug>RDSendLine", {})
           vim.api.nvim_buf_set_keymap(0, "v", "<Enter>", "<Plug>RSendSelection", {})
 
-            -- Increase the width of which-key to handle the r-nvim descriptions
+          -- Increase the width of which-key to handle the longer r-nvim descriptions
           local wk = require("which-key")
           wk.setup({
             layout = {
@@ -44,27 +44,16 @@ return {
           })
         end,
       },
-        min_editor_width = 72,
+      pdfviewer = (function()
-        rconsole_width = 78,
+        if vim.loop.os_uname().sysname:find("Windows", 1, true) then
-        disable_cmds = {
+          return "open" -- according to @Aman9das on Github
-          "RClearConsole",
+        elseif vim.loop.os_uname().sysname:find("Darwin", 1, true) then
-          "RCustomStart",
+          return "open"
-          "RSPlot",
+        else
-          "RSaveClose",
+          return "xdg-open" -- according to @Aman9das on Github
-        },
-        synctex = false,
-        pdfviewer = "open",
-      }
-      -- Check if the environment variable "R_AUTO_START" exists.
-      -- If using fish shell, you could put in your config.fish:
-      -- alias r "R_AUTO_START=true nvim"
-      if vim.env.R_AUTO_START == "true" then
-        opts.auto_start = "on startup"
-        opts.objbr_auto_start = true
         end
-      require("r").setup(opts)
+      end)(),
-    end,
+    },
-    lazy = false,
   },
   {
     "hrsh7th/nvim-cmp",