feat(lsp): allow overriding options for vim.lsp.buf.format. Fixes #51

lua/lazyvim/plugins/lsp/format.lua

@@ -18,7 +18,7 @@ function M.format()
   local ft = vim.bo[buf].filetype
   local have_nls = #require("null-ls.sources").get_available(ft, "NULL_LS_FORMATTING") > 0
 
-  vim.lsp.buf.format({
+  vim.lsp.buf.format(vim.tbl_deep_extend("force", {
     bufnr = buf,
     filter = function(client)
       if have_nls then
@@ -26,7 +26,7 @@ function M.format()
       end
       return client.name ~= "null-ls"
     end,
-  })
+  }, require("lazyvim.util").opts("nvim-lspconfig").format or {}))
 end
 
 function M.on_attach(client, buf)

lua/lazyvim/plugins/lsp/init.lua

@@ -12,12 +12,20 @@ return {
     },
     ---@class PluginLspOpts
     opts = {
+      -- options for vim.diagnostic.config()
       diagnostics = {
         underline = true,
         update_in_insert = false,
         virtual_text = { spacing = 4, prefix = "●" },
         severity_sort = true,
       },
+      -- options for vim.lsp.buf.format
+      -- `bufnr` and `filter` is handled by the LazyVim formatter,
+      -- but can be also overriden when specified
+      format = {
+        formatting_options = nil,
+        timeout = nil,
+      },
       ---@type lspconfig.options
       servers = {
         jsonls = {},

lua/lazyvim/util/init.lua

@@ -20,6 +20,16 @@ function M.has(plugin)
   return require("lazy.core.config").plugins[plugin] ~= nil
 end
 
+---@param name string
+function M.opts(name)
+  local plugin = require("lazy.core.config").plugins[name]
+  if not plugin then
+    return {}
+  end
+  local Plugin = require("lazy.core.plugin")
+  return Plugin.values(plugin, "opts", false)
+end
+
 -- returns the root directory based on:
 -- * lsp workspace folders
 -- * lsp root_dir