plugins, keymaps + fix formatting

lua/utils/formatting.lua

@@ -0,0 +1,32 @@
+local M = {}
+
+---filter passed to vim.lsp.buf.format
+---always selects null-ls if it's available and caches the value per buffer
+---@param client table client attached to a buffer
+---@return boolean if client matches
+function M.format_filter(client)
+  local filetype = vim.bo.filetype
+  local n = require('null-ls')
+  local s = require('null-ls.sources')
+  local method = n.methods.FORMATTING
+  local available_formatters = s.get_available(filetype, method)
+
+  if #available_formatters > 0 then
+    return client.name == 'null-ls'
+  elseif client.supports_method('textDocument/formatting') then
+    return true
+  else
+    return false
+  end
+end
+
+---Simple wrapper for vim.lsp.buf.format() to provide defaults
+---@param opts table|nil
+function M.format(opts)
+  opts = opts or {}
+  opts.filter = opts.filter or M.format_filter
+
+  return vim.lsp.buf.format(opts)
+end
+
+return M