1 files changed, 83 insertions, 0 deletions
diff --git a/.config/nvim/lsp/ts_ls.lua b/.config/nvim/lsp/ts_ls.lua
new file mode 100644
index 0000000..e9ef670
--- /dev/null
+++ b/.config/nvim/lsp/ts_ls.lua
@@ -0,0 +1,83 @@
+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', 'deno.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 = {
+          diagnostics = {},
+          only = source_actions,
+        },
+      })
+    end, {})
+  end,
+}