nvim: move out capabilities to a module

.config/nvim/plugin/lsp.lua

@@ -114,10 +114,6 @@ end
 -- Set log level
 vim.lsp.set_log_level("off")
 
--- Capabilities
-local capabilities = vim.lsp.protocol.make_client_capabilities()
-capabilities = require("cmp_nvim_lsp").default_capabilities(capabilities)
-
 ----------
 -- Init --
 ----------
@@ -125,7 +121,7 @@ local mylsp = require("lsp")
 
 for name, config in pairs(servers) do
     require("lspconfig")[name].setup {
-        capabilities = capabilities,
+        capabilities = mylsp.capabilities,
         settings = config.settings,
         -- NOTE: https://github.com/neovim/neovim/issues/30675
         offset_encoding = config.offset_encoding or "utf-8",
@@ -142,7 +138,7 @@ end
 -- Java
 local config = {
     on_attach = mylsp.on_attach,
-    capabilities = capabilities,
+    capabilities = mylsp.capabilities,
     cmd = {
         -- https://github.com/NixOS/nixpkgs/issues/232822#issuecomment-1564243667
         -- `-data` argument is necessary
@@ -162,7 +158,7 @@ vim.api.nvim_create_autocmd("FileType", {
 -- Scala
 local metals = require("metals")
 local metals_config = metals.bare_config()
-metals_config.capabilities = capabilities
+metals_config.capabilities = mylsp.capabilities
 metals_config.settings.useGlobalExecutable = true
 
 require("dap").configurations.scala = {