added LSP and treesitter

nvim/lua/tracer/options.lua

@@ -7,6 +7,7 @@ opt.laststatus = 2
 opt.termguicolors = true
 opt.autoread = true
 opt.mouse = "a"
+opt.clipboard:append("unnamedplus")
 opt.expandtab = true
 opt.shiftwidth = 4
 opt.tabstop = 4
@@ -15,6 +16,7 @@ opt.smartindent = true
 opt.wrap = false
 opt.wildmode = "longest:full,full"
 opt.title = true
+opt.signcolumn = 'yes:1'
 
 vim.cmd.colorscheme("slate")
 

nvim/lua/tracer/plugins.lua

@@ -107,6 +107,53 @@ require("packer").startup(function(use)
       vim.g.pasta_disabled_filetypes = { "fugitive" }
     end,
   })
+  -- Git integration.
+  use({
+    "lewis6991/gitsigns.nvim",
+    config = function()
+      require("gitsigns").setup({ current_line_blame = true })
+
+      vim.keymap.set("n", "]h", ":Gitsigns next_hunk<CR>")
+      vim.keymap.set("n", "[h", ":Gitsigns prev_hunk<CR>")
+      vim.keymap.set("n", "gs", ":Gitsigns stage_hunk<CR>")
+      vim.keymap.set("n", "gS", ":Gitsigns undo_stage_hunk<CR>")
+      vim.keymap.set("n", "gp", ":Gitsigns preview_hunk<CR>")
+      vim.keymap.set("n", "gb", ":Gitsigns blame_line<CR>")
+    end,
+  })
+  -- Git commands.
+  use({
+    "tpope/vim-fugitive",
+    requires = "tpope/vim-rhubarb",
+    config = function()
+      require("tracer.plugins.fugitive").setup()
+    end,
+  })
+  -- Improved syntax highlighting.
+  use({
+    "nvim-treesitter/nvim-treesitter",
+    run = function()
+      require("nvim-treesitter.install").update({ with_sync = true })
+    end,
+    requires = {
+      "JoosepAlviste/nvim-ts-context-commentstring",
+      "nvim-treesitter/nvim-treesitter-textobjects",
+    },
+    config = function()
+      pcall(require, "tracer.plugins.treesitter")
+    end,
+  })
+  -- Language Server Protocol.
+  use({
+    "neovim/nvim-lspconfig",
+    requires = {
+      "williamboman/mason.nvim",
+      "williamboman/mason-lspconfig.nvim",
+    },
+    config = function()
+      pcall(require, "tracer.plugins.lspconfig")
+    end,
+  })
 
   -- Fuzzy finder
   use({
@@ -119,7 +166,7 @@ require("packer").startup(function(use)
     },
     config = function()
       require("tracer.plugins.telescope")
-    end,
+end,
   })
 
   -- File tree sidebar for project-style navigation.

nvim/lua/tracer/plugins/fugitive.lua

@@ -0,0 +1,90 @@
+local M = {}
+
+local function homepage_for_remote(remote)
+  local patterns = {
+    "^gitea@([^:]+):(.+)%.git$",
+    "^git@([^:]+):(.+)%.git$",
+    "^ssh://git@([^/]+)/(.+)%.git$",
+    "^https?://([^/]+)/(.+)%.git$",
+    "^https?://([^/]+)/(.+)$",
+  }
+
+  for _, pattern in ipairs(patterns) do
+    local host, repo = remote:match(pattern)
+    if host and repo then
+      return ("https://%s/%s"):format(host, repo)
+    end
+  end
+
+  return nil
+end
+
+local function url_escape(value)
+  return (value:gsub("#", "%%23"):gsub(" ", "%%20"))
+end
+
+local function gitea_browse(opts)
+  local root = homepage_for_remote(opts.remote or "")
+  if not root then
+    return nil
+  end
+
+  local path = (opts.path or ""):gsub("^/", "")
+  local ref = (opts.path or ""):match("^/?%.git/(refs/.*)")
+
+  if ref and ref:match("^refs/heads/") then
+    local branch = ref:gsub("^refs/heads/", "")
+    return root .. "/commits/branch/" .. url_escape(branch)
+  end
+
+  if ref and ref:match("^refs/tags/") then
+    local tag = ref:gsub("^refs/tags/", "")
+    return root .. "/releases/tag/" .. url_escape(tag)
+  end
+
+  if ref and ref:match("^refs/remotes/[^/]+/.+") then
+    local branch = ref:match("^refs/remotes/[^/]+/(.+)$")
+    return root .. "/commits/branch/" .. url_escape(branch)
+  end
+
+  if (opts.path or ""):match("^/?%.git") then
+    return root
+  end
+
+  local commit = url_escape(opts.commit or "HEAD")
+  local url
+
+  if opts.type == "tree" or path:match("/$") then
+    url = root .. "/src/commit/" .. commit
+    if path ~= "" then
+      url = url .. "/" .. url_escape(path):gsub("/$", "")
+    end
+  elseif opts.type == "blob" or path:match("[^/]$") then
+    url = root .. "/src/commit/" .. commit
+    if path ~= "" then
+      url = url .. "/" .. url_escape(path)
+    end
+
+    if opts.line2 and opts.line1 and opts.line1 > 0 and opts.line1 == opts.line2 then
+      url = url .. "#L" .. opts.line1
+    elseif opts.line1 and opts.line2 and opts.line1 > 0 and opts.line2 > 0 then
+      url = url .. "#L" .. opts.line1 .. "-L" .. opts.line2
+    end
+  else
+    url = root .. "/commit/" .. commit
+  end
+
+  return url
+end
+
+function M.setup()
+  if vim.g.tracer_fugitive_gitea_handler_loaded then
+    return
+  end
+
+  vim.g.tracer_fugitive_gitea_handler_loaded = true
+  vim.g.fugitive_browse_handlers = vim.g.fugitive_browse_handlers or {}
+  table.insert(vim.g.fugitive_browse_handlers, 1, gitea_browse)
+end
+
+return M

nvim/lua/tracer/plugins/lspconfig.lua

@@ -0,0 +1,34 @@
+-- Setup Mason to automatically install LSP servers
+require("mason").setup()
+
+require("mason-lspconfig").setup({ automatic_installation = true })
+
+-- Keymaps
+vim.keymap.set("n", "<Leader>d", vim.diagnostic.open_float)
+vim.keymap.set("n", "[d", vim.diagnostic.goto_prev)
+vim.keymap.set("n", "]d", vim.diagnostic.goto_next)
+vim.keymap.set("n", "gd", vim.lsp.buf.definition)
+vim.keymap.set("n", "gi", "<cmd>Telescope lsp_implementations<CR>")
+vim.keymap.set("n", "gr", "<cmd>Telescope lsp_references<CR>")
+vim.keymap.set("n", "K", vim.lsp.buf.hover)
+vim.keymap.set("n", "<Leader>rn", vim.lsp.buf.rename)
+
+-- Emmet for HTML and JSX-style markup editing
+vim.lsp.config("emmet_language_server", {
+  filetypes = {
+    "css",
+    "html",
+    "javascriptreact",
+    "less",
+    "sass",
+    "scss",
+    "typescriptreact",
+  },
+})
+
+vim.lsp.enable("intelephense")
+vim.lsp.enable("ts_ls")
+vim.lsp.enable("eslint")
+vim.lsp.enable("html")
+vim.lsp.enable("cssls")
+vim.lsp.enable("emmet_language_server")

nvim/lua/tracer/plugins/treesitter.lua

@@ -0,0 +1,30 @@
+local ok, configs = pcall(require, "nvim-treesitter.configs")
+if not ok then
+  return
+end
+
+configs.setup({
+  ensure_installed = "all",
+  highlight = {
+    enable = true,
+    additional_vim_regex_highlighting = true,
+  },
+  context_commentstring = {
+    enable = true,
+  },
+  indent = {
+    enable = true,
+  },
+  textobjects = {
+    select = {
+      enable = true,
+      lookahead = true,
+      keymaps = {
+        ["if"] = "@function.inner",
+        ["af"] = "@function.outer",
+        ["ia"] = "@parameter.inner",
+        ["aa"] = "@parameter.outer",
+      },
+    },
+  },
+})