flake.nix

@@ -139,6 +139,7 @@
             general = with pkgs.vimPlugins; [
               nvim-autopairs
               nvim-lspconfig
+              intellitab-nvim
               which-key-nvim
               telescope-nvim
               markdown-preview-nvim
@@ -170,8 +171,6 @@
               rustaceanvim
               crates-nvim
               haskell-tools-nvim
-              vim-wakatime
-              lsp_lines-nvim
               vim-sleuth
             ];
           };

lua/keymaps.lua

@@ -1,5 +1,5 @@
--- Mostly remaps of existing keys. New keybinds are generally defined directly
--- in their plugin specs for `lz.n`
+-- Non-exhaustive collection of keymaps. I've decided it's more sane to place
+-- plugin specific maps in their respective setup scripts
 
 vim.g.mapleader = " "
 vim.keymap.set("n", "<leader>", "<nop>")
@@ -22,6 +22,8 @@ vim.keymap.set({ "n", "v" }, "<leader>Y", '"+Y', { desc = "yank rest of line to
 vim.keymap.set({ "n", "v" }, "<leader>p", '"+p', { desc = "put after cursor from clipboard" })
 vim.keymap.set({ "n", "v" }, "<leader>P", '"+P', { desc = "put before cursor from clipboard" })
 
+vim.keymap.set("i", "<Tab>", require("scripts.intellitab").indent)
+
 -- Allow increment/decrement repeatedly in visual
 vim.keymap.set("v", "<C-a>", "<C-a>gv")
 vim.keymap.set("v", "<C-x>", "<C-x>gv")

lua/lsp/init.lua

@@ -1,11 +1,3 @@
-return function()
-  local symbols = { Error = "󰅙", Info = "󰋼", Hint = "󰌵", Warn = "" }
-
-  for name, icon in pairs(symbols) do
-    local hl = "DiagnosticSign" .. name
-    vim.fn.sign_define(hl, { text = icon, numhl = hl, texthl = hl })
-  end
-
 local lspconfig = require("lspconfig")
 
 lspconfig.lua_ls.setup({
@@ -34,4 +26,3 @@ return function()
 lspconfig.nixd.setup({})
 lspconfig.marksman.setup({})
 lspconfig.tinymist.setup({})
-end

lua/plugins/lz-spec.lua

@@ -12,12 +12,13 @@ return {
   require("plugins.render-markdown"),
   require("plugins.toggleterm"),
   { "telescope-ui-select.nvim" },
-  { "vim-wakatime" },
   { "vim-sleuth" },
   {
     "nvim-lspconfig",
     event = "BufEnter",
-    after = require("lsp"),
+    after = function()
+      require("lsp")
+    end,
   },
   {
     "which-key.nvim",
@@ -231,22 +232,11 @@ return {
   },
   {
     "crates.nvim",
-    event = "BufRead Cargo.toml",
+    filetypes = "*.toml",
     after = function()
       require("crates").setup()
     end,
   },
   { "rustaceanvim" },
   { "haskell-tools.nvim" },
-  {
-    "lsp_lines.nvim",
-    event = "LspAttach",
-    after = function()
-      require("lsp_lines").setup()
-      vim.diagnostic.config({
-        virtual_text = false,
-        virtual_lines = { only_current_line = true },
-      })
-    end,
-  },
 }

lua/scripts/intellitab.lua

@@ -0,0 +1,72 @@
+-- `intellitab.nvim` by Pedro Alves (https://github.com/pta2002)
+-- URL: https://github.com/pta2002/intellitab.nvim?tab=MIT-1-ov-file
+-- Copyright 2021 Pedro Alves. Licensed under MIT.
+
+local v = vim.api
+
+local treesitter = require("nvim-treesitter")
+
+local function get_line_indent(line, sw)
+  local indent = 0
+
+  for c in line:gmatch("%s") do
+    if c == "\t" then
+      indent = indent + sw
+    else
+      indent = indent + 1
+    end
+  end
+
+  return indent
+end
+
+local function indent()
+  local cursor = v.nvim_win_get_cursor(0)
+  local line = v.nvim_buf_get_lines(0, cursor[1] - 1, cursor[1], false)[1]
+
+  local indentexpr = v.nvim_get_option_value("indentexpr", { buf = 0 })
+  local expand = v.nvim_get_option_value("expandtab", { buf = 0 })
+  local shiftwidth = v.nvim_eval("shiftwidth()")
+  local tab_char = v.nvim_replace_termcodes("<Tab>", true, true, true)
+  local indent_goal
+
+  if treesitter ~= nil and treesitter.get_indent ~= nil then
+    indent_goal = treesitter.get_indent(line)
+  end
+
+  if indent_goal == nil or indent_goal < 0 then
+    if indentexpr ~= "" then
+      indent_goal = v.nvim_eval(indentexpr)
+    elseif v.nvim_get_option_value("cindent", { buf = 0 }) then
+      indent_goal = v.nvim_call_function("cindent", { cursor[1] })
+    else
+      indent_goal = v.nvim_call_function("indent", { cursor[1] })
+    end
+  end
+
+  if indent_goal == -1 and cursor[1] ~= 1 then
+    local prev_line = v.nvim_buf_get_lines(0, cursor[1] - 2, cursor[1] - 1, false)[1]
+    indent_goal = get_line_indent(prev_line, shiftwidth)
+  end
+
+  -- Reset the cursor, since the functions are free to move it
+  v.nvim_win_set_cursor(0, cursor)
+
+  if cursor[2] == 0 and line == "" and indent_goal ~= nil and indent_goal > 0 then
+    local i = 0
+    while i < indent_goal do
+      if expand then
+        v.nvim_feedkeys(" ", "n", true)
+        i = i + 1
+      else
+        v.nvim_feedkeys(tab_char, "n", true)
+        i = i + shiftwidth
+      end
+    end
+    print(i, indent_goal)
+  else
+    v.nvim_feedkeys(tab_char, "n", true)
+  end
+end
+
+return { indent = indent }