init

lua/lsp/golangci_lint_ls.lua

@@ -0,0 +1,31 @@
+local M = {
+  filetypes = { 'go', 'gomod' },
+}
+
+-- disable lsp if wrong version installed
+function M.enable()
+  local enable = true
+
+  if
+    pcall(function()
+      vim
+        .system({ 'golangci-lint', '--version' }, { text = true }, function(out)
+          if out.code ~= 0 then
+            enable = false
+            return
+          end
+          if out.stdout:match ' 1%.%d+%.%d+' then
+            enable = false
+            return
+          end
+        end)
+        :wait()
+    end)
+  then
+    return enable
+  else
+    return false -- disable if golangci-lint isn't available
+  end
+end
+
+return M

lua/lsp/init.lua

@@ -0,0 +1,53 @@
+local M = {}
+
+function M.setup()
+  local servers = {
+    ts_ls = { filetypes = { 'javascript', 'typescript', 'javascriptreact', 'typescriptreact' } },
+    gopls = { filetypes = { 'go', 'gomod' } },
+    rust_analyzer = {
+      filetypes = { 'rust' },
+      settings = {
+        ['rust-analyzer'] = {
+          check = {
+            command = 'clippy',
+            extraArgs = {
+              '--',
+              '-Dclippy::correctness',
+              '-Wclippy::complexity',
+              '-Wclippy::pedantic',
+              '-Wclippy::perf',
+            },
+          },
+        },
+      },
+    },
+    golangci_lint_ls = require 'lsp.golangci_lint_ls',
+    erlangls = { cmd = { '/home/fergusmolloy/.local/bin/erlang_ls' }, filetypes = { 'erlang' } },
+    elixirls = { cmd = { 'elixir-ls' }, filetypes = { 'elixir' } },
+    lua_ls = require 'lsp.lua_ls',
+  }
+
+  local on_attach = require 'lsp.on_attach'
+  local lspconfig = require 'lspconfig'
+
+  for server, config in pairs(servers) do
+    if require('lsp.utils').check_ft(server, config) then
+      if config['enable'] then
+        if not config['enable']() then
+          vim.notify('Disabling language server ' .. server, vim.log.levels.WARN)
+          goto continue
+        end
+      end
+    else
+      goto continue
+    end
+    config.capabilities = require('blink.cmp').get_lsp_capabilities(config.capabilities)
+    config.on_attach = require 'lsp.on_attach'
+    vim.lsp.enable(server)
+    vim.lsp.config(server, config)
+
+    ::continue::
+  end
+end
+
+return M

lua/lsp/lua_ls.lua

@@ -0,0 +1,34 @@
+return {
+  on_init = function(client)
+    if client.workspace_folders then
+      local path = client.workspace_folders[1].name
+      if path ~= vim.fn.stdpath 'config' and (vim.uv.fs_stat(path .. '/.luarc.json') or vim.uv.fs_stat(path .. '/.luarc.jsonc')) then
+        return
+      end
+    end
+
+    client.config.settings.Lua = vim.tbl_deep_extend('force', client.config.settings.Lua, {
+      runtime = {
+        -- Tell the language server which version of Lua you're using
+        -- (most likely LuaJIT in the case of Neovim)
+        version = 'LuaJIT',
+      },
+      -- Make the server aware of Neovim runtime files
+      workspace = {
+        checkThirdParty = false,
+        library = {
+          vim.env.VIMRUNTIME,
+          -- Depending on the usage, you might want to add additional paths here.
+          -- "${3rd}/luv/library"
+          -- "${3rd}/busted/library",
+        },
+        -- or pull in all of 'runtimepath'. NOTE: this is a lot slower and will cause issues when working on your own configuration (see https://github.com/neovim/nvim-lspconfig/issues/3189)
+        -- library = vim.api.nvim_get_runtime_file("", true)
+      },
+    })
+  end,
+  settings = {
+    Lua = {},
+  },
+  filetypes = { 'lua' },
+}

lua/lsp/on_attach.lua

@@ -0,0 +1,29 @@
+return function(client, bufnr)
+  require('nvim-navbuddy').attach(client, bufnr)
+
+  local nmap = function(keys, func, desc)
+    if desc then
+      desc = 'LSP: ' .. desc
+    end
+
+    vim.keymap.set('n', keys, func, { buffer = bufnr, desc = desc })
+  end
+
+  nmap('gd', vim.lsp.buf.definition, '[G]oto [D]efinition')
+  nmap('gi', vim.lsp.buf.implementation, '[G]oto [I]mplementation')
+  nmap('<leader>D', vim.lsp.buf.type_definition, 'Type [D]efinition')
+  nmap('<leader>rn', vim.lsp.buf.rename, '[R]e[N]ame')
+  nmap('<leader>ca', vim.lsp.buf.code_action, '[C]ode [A]ction')
+  nmap('K', vim.lsp.buf.hover, 'Hover docs')
+
+  -- Lesser used LSP functionality
+  nmap('gD', vim.lsp.buf.declaration, '[G]oto [D]eclaration')
+  nmap('<leader>wa', vim.lsp.buf.add_workspace_folder, '[W]orkspace [A]dd Folder')
+  nmap('<leader>wr', vim.lsp.buf.remove_workspace_folder, '[W]orkspace [R]emove Folder')
+  nmap('<leader>wl', function()
+    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+  end, '[W]orkspace [L]ist Folders')
+
+  nmap('<leader>e', vim.diagnostic.open_float, 'Open floating diagnostics')
+  nmap('<leader>q', vim.diagnostic.setloclist, 'Open diagnostics list')
+end

lua/lsp/utils.lua

@@ -0,0 +1,15 @@
+local M = {}
+function M.check_ft(server, config)
+  if config.filetypes == nil or next(config.filetypes) == nil then
+    return true -- if no filetypes specified then enable
+  else
+    config.server = server
+    for _, ft in ipairs(config.filetypes) do
+      if vim.bo[0].filetype == ft then
+        return true
+      end
+    end
+  end
+  return false
+end
+return M