feat: initial commit

lua/user/plugins/lsp/format.lua

@@ -0,0 +1,49 @@
+local M = {}
+
+M.autoformat = true
+
+function M.toggle()
+  M.autoformat = not M.autoformat
+  if M.autoformat then
+    vim.notify("enabled format on save")
+  else
+    vim.notify("disabled format on save")
+  end
+end
+
+function M.format()
+  if M.autoformat then
+    vim.lsp.buf.format()
+  end
+end
+
+function M.nls_formatter(ft)
+  local sources = require("null-ls.sources")
+  local available = sources.get_available(ft, "NULL_LS_FORMATTING")
+  return #available > 0
+end
+
+function M.on_attach(client, buf)
+  local ft = vim.api.nvim_buf_get_option(buf, "filetype")
+
+  local enable = false
+  if M.nls_formatter(ft) then
+    enable = client.name == "null-ls"
+  else
+    enable = not (client.name == "null-ls")
+  end
+
+  client.server_capabilities.documentFormattingProvider = enable
+  -- format on save
+  if client.server_capabilities.documentFormattingProvider then
+    vim.api.nvim_create_autocmd("BufWritePre", {
+      group = vim.api.nvim_create_augroup("LspFormat", {}),
+      buffer = 0,
+      callback = function()
+        M.format()
+      end,
+    })
+  end
+end
+
+return M