Working on LSP and shit like that, Astro config is confusing, need to

learn it myself from scratch

lua/user/null-ls.lua

@@ -0,0 +1,47 @@
+-- npm install -g cspell@latest
+
+local output = vim.fn.system {
+  "which",
+  "cspell",
+}
+if output == nil or output == "" then
+  -- if v:shell_error != 0 then
+  vim.fn.system {
+    "npm",
+    "install",
+    "-g",
+    "cspell@latest",
+  }
+end
+
+return {
+  "jose-elias-alvarez/null-ls.nvim",
+	commit = "77e53bc3bac34cc273be8ed9eb9ab78bcf67fa48",
+  opts = function(_, config)
+    -- config variable is the default definitions table for the setup function call
+    local null_ls = require "null-ls"
+
+    -- Check supported formatters and linters
+    -- https://github.com/jose-elias-alvarez/null-ls.nvim/tree/main/lua/null-ls/builtins/formatting
+    -- https://github.com/jose-elias-alvarez/null-ls.nvim/tree/main/lua/null-ls/builtins/diagnostics
+    config.sources = {
+      -- Set a formatter
+      null_ls.builtins.formatting.stylua,
+      null_ls.builtins.formatting.prettier,
+      null_ls.builtins.formatting.rustfmt,
+      -- null_ls.builtins.code_actions.proselint, -- TODO looks interesting
+      null_ls.builtins.code_actions.cspell.with {
+        config = {
+          find_json = function() return vim.fn.findfile("cspell.json", vim.fn.environ().HOME .. "/.config/nvim/lua/user/;") end,
+        },
+      },
+      null_ls.builtins.diagnostics.cspell.with {
+        extra_args = { "--config", "~/.config/nvim/lua/user/cspell.json" },
+      },
+    }
+
+    config.update_in_insert = true
+
+    return config -- return final config table
+  end,
+}