1 files changed, 91 insertions, 0 deletions
diff --git a/nvim/lua/plugins/lsp.lua b/nvim/lua/plugins/lsp.lua
new file mode 100644
index 0000000..40a205c
--- /dev/null
+++ b/nvim/lua/plugins/lsp.lua
@@ -0,0 +1,91 @@
+return {
+  {
+    'williamboman/mason.nvim',
+    lazy = false,
+    opts = {},
+  },
+
+  -- Autocompletion
+  {
+    'hrsh7th/nvim-cmp',
+    event = 'InsertEnter',
+    config = function()
+      local cmp = require('cmp')
+
+      cmp.setup({
+        sources = {
+          {name = 'nvim_lsp'},
+        },
+        mapping = cmp.mapping.preset.insert({
+          ['<C-Space>'] = cmp.mapping.complete(),
+          ['<C-u>'] = cmp.mapping.scroll_docs(-4),
+          ['<C-d>'] = cmp.mapping.scroll_docs(4),
+        }),
+        snippet = {
+          expand = function(args)
+            vim.snippet.expand(args.body)
+          end,
+        },
+      })
+    end
+  },
+
+  -- LSP
+  {
+    'neovim/nvim-lspconfig',
+    cmd = {'LspInfo', 'LspInstall', 'LspStart'},
+    event = {'BufReadPre', 'BufNewFile'},
+    dependencies = {
+      {'hrsh7th/cmp-nvim-lsp'},
+      {'williamboman/mason.nvim'},
+      {'williamboman/mason-lspconfig.nvim'},
+    },
+    init = function()
+      -- Reserve a space in the gutter
+      -- This will avoid an annoying layout shift in the screen
+      vim.opt.signcolumn = 'yes'
+    end,
+    config = function()
+      local lsp_defaults = require('lspconfig').util.default_config
+
+      -- Add cmp_nvim_lsp capabilities settings to lspconfig
+      -- This should be executed before you configure any language server
+      lsp_defaults.capabilities = vim.tbl_deep_extend(
+        'force',
+        lsp_defaults.capabilities,
+        require('cmp_nvim_lsp').default_capabilities()
+      )
+
+      -- LspAttach is where you enable features that only work
+      -- if there is a language server active in the file
+      vim.api.nvim_create_autocmd('LspAttach', {
+        desc = 'LSP actions',
+        callback = function(event)
+          local opts = {buffer = event.buf}
+
+          vim.keymap.set('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>', opts)
+          vim.keymap.set('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>', opts)
+          vim.keymap.set('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>', opts)
+          vim.keymap.set('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>', opts)
+          vim.keymap.set('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>', opts)
+          vim.keymap.set('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>', opts)
+          vim.keymap.set('n', 'gs', '<cmd>lua vim.lsp.buf.signature_help()<cr>', opts)
+          vim.keymap.set('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>', opts)
+          vim.keymap.set({'n', 'x'}, '<F3>', '<cmd>lua vim.lsp.buf.format({async = true})<cr>', opts)
+          vim.keymap.set('n', '<F4>', '<cmd>lua vim.lsp.buf.code_action()<cr>', opts)
+        end,
+      })
+
+      require('mason-lspconfig').setup({
+        ensure_installed = {},
+        handlers = {
+          -- this first function is the "default handler"
+          -- it applies to every language server without a "custom handler"
+          function(server_name)
+            require('lspconfig')[server_name].setup({})
+          end,
+        }
+      })
+    end
+  }
+}