Add typescript-language-server and configure telescope.

config/nvim/lsp/ts_ls.lua

@@ -0,0 +1,81 @@
+return {
+  init_options = { hostInfo = 'neovim' },
+  cmd = { 'typescript-language-server', '--stdio' },
+  filetypes = {
+    'javascript',
+    'javascriptreact',
+    'javascript.jsx',
+    'typescript',
+    'typescriptreact',
+    'typescript.tsx',
+  },
+  root_dir = function(bufnr, on_dir)
+    -- The project root is where the LSP can be started from
+    -- As stated in the documentation above, this LSP supports monorepos and simple projects.
+    -- We select then from the project root, which is identified by the presence of a package
+    -- manager lock file.
+    local root_markers = { 'package-lock.json', 'yarn.lock', 'pnpm-lock.yaml', 'bun.lockb', 'bun.lock' }
+    -- Give the root markers equal priority by wrapping them in a table
+    root_markers = vim.fn.has 'nvim-0.11.3' == 1 and { root_markers, { '.git' } } or vim.list_extend(root_markers, { '.git' })
+    -- We fallback to the current working directory if no project root is found
+    local project_root = vim.fs.root(bufnr, root_markers) or vim.fn.getcwd()
+
+    on_dir(project_root)
+  end,
+  handlers = {
+    -- handle rename request for certain code actions like extracting functions / types
+    ['_typescript.rename'] = function(_, result, ctx)
+      local client = assert(vim.lsp.get_client_by_id(ctx.client_id))
+      vim.lsp.util.show_document({
+        uri = result.textDocument.uri,
+        range = {
+          start = result.position,
+          ['end'] = result.position,
+        },
+      }, client.offset_encoding)
+      vim.lsp.buf.rename()
+      return vim.NIL
+    end,
+  },
+  commands = {
+    ['editor.action.showReferences'] = function(command, ctx)
+      local client = assert(vim.lsp.get_client_by_id(ctx.client_id))
+      local file_uri, position, references = unpack(command.arguments)
+
+      local quickfix_items = vim.lsp.util.locations_to_items(references, client.offset_encoding)
+      vim.fn.setqflist({}, ' ', {
+        title = command.title,
+        items = quickfix_items,
+        context = {
+          command = command,
+          bufnr = ctx.bufnr,
+        },
+      })
+
+      vim.lsp.util.show_document({
+        uri = file_uri,
+        range = {
+          start = position,
+          ['end'] = position,
+        },
+      }, client.offset_encoding)
+
+      vim.cmd 'botright copen'
+    end,
+  },
+  on_attach = function(client, bufnr)
+    -- ts_ls provides `source.*` code actions that apply to the whole file. These only appear in
+    -- `vim.lsp.buf.code_action()` if specified in `context.only`.
+    vim.api.nvim_buf_create_user_command(bufnr, 'LspTypescriptSourceAction', function()
+      local source_actions = vim.tbl_filter(function(action)
+        return vim.startswith(action, 'source.')
+      end, client.server_capabilities.codeActionProvider.codeActionKinds)
+
+      vim.lsp.buf.code_action {
+        context = {
+          only = source_actions,
+        },
+      }
+    end, {})
+  end,
+}

config/nvim/lua/config/lsp.lua

@@ -1,6 +1,7 @@
 -- enables LSPs and configures useful bindings
 
-vim.lsp.enable('lua_ls')
+vim.lsp.enable 'lua_ls'
+vim.lsp.enable 'ts_ls'
 
 vim.api.nvim_create_autocmd('LspAttach', {
   callback = function(ev)
@@ -12,11 +13,11 @@ vim.api.nvim_create_autocmd('LspAttach', {
         vim.lsp.completion.get()
       end)
     end
-  end
+  end,
 })
 
 -- Diagnostics
-vim.diagnostic.config({
+vim.diagnostic.config {
   -- Use the default configuration
   -- virtual_lines = true
 
@@ -25,4 +26,4 @@ vim.diagnostic.config({
     -- Only show virtual line diagnostics for the current cursor line
     current_line = true,
   },
-})
+}

config/nvim/lua/plugins/telescope.lua

@@ -2,7 +2,45 @@ return {
   {
     'nvim-telescope/telescope.nvim',
     tag = '0.1.8',
-    dependencies = { 'nvim-lua/plenary.nvim', { 'nvim-telescope/telescope-fzf-native.nvim', build = 'make' } },
-    config = function() end,
+    dependencies = {
+      'nvim-lua/plenary.nvim',
+      {
+        'nvim-telescope/telescope-fzf-native.nvim',
+        build = 'make',
+        config = function()
+          require('telescope').load_extension 'fzf'
+        end,
+      },
+    },
+    keys = {
+      {
+        '<leader>t',
+        function()
+          require('telescope.builtin').find_files()
+        end,
+        desc = 'Find file',
+      },
+      {
+        '<leader>f',
+        function()
+          require('telescope.builtin').live_grep()
+        end,
+        desc = 'Codesearch',
+      },
+      {
+        '<leader>g',
+        function()
+          require('telescope.builtin').lsp_references()
+        end,
+        desc = 'View references',
+      },
+    },
+    opts = {
+      pickers = {
+        lsp_references = {
+          theme = 'ivy',
+        },
+      },
+    },
   },
 }