Nvim: Configure plugins in after directory

Switch from fzf to telescope and filesystem to defx

.config/nvim/after/plugin/lspconfig.rc.vim

@@ -0,0 +1,89 @@
+if !exists('g:lspconfig')
+  finish
+endif
+"
+" Completion configuration for native neovim + nvim-lspconfig
+lua << EOF
+local nvim_lsp = require'lspconfig'
+
+nvim_lsp.ccls.setup {
+  init_options = {
+    compilationDatabaseDirectory = ".";
+    index = {
+      threads = 0;
+    };
+    clang = {
+      excludeArgs = { "-frounding-math"} ;
+    };
+  }
+}
+
+nvim_lsp.pylsp.setup{}
+nvim_lsp.cmake.setup{}
+nvim_lsp.rls.setup {
+  settings = {
+    rust = {
+      unstable_features = true,
+      build_on_save = false,
+      all_features = true,
+    },
+  },
+}
+
+-- Use an on_attach function to only map the following keys
+-- after the language server attaches to the current buffer
+local on_attach = function(client, bufnr)
+  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+  --Enable completion triggered by <c-x><c-o>
+  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  -- Mappings.
+  local opts = { noremap=true, silent=true }
+
+  -- See `:help vim.lsp.*` for documentation on any of the below functions
+  buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+  buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
+  buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
+  require'completion'.on_attach()
+end
+
+vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
+  vim.lsp.diagnostic.on_publish_diagnostics, {
+    signs = {
+      severity_limit = 'Warning',
+    },
+    underline = false,
+    update_in_insert = false,
+    virtual_text = {
+      spacing = 40,
+      severity_limit = 'Warning',
+    },
+  }
+)
+
+-- Use a loop to conveniently call 'setup' on multiple servers and
+-- map buffer local keybindings when the language server attaches
+local servers = { "pylsp", "rls", "cmake", 'ccls' }
+for _, lsp in ipairs(servers) do
+  nvim_lsp[lsp].setup {
+    on_attach = on_attach,
+    on_publish_diagnostics = diagnostic_handler
+  }
+end
+EOF