From 1aae0aa6ae3b9cf7d94a3bf35131b1c0a3675da1 Mon Sep 17 00:00:00 2001
From: Joshua Potter <jrpotter2112@gmail.com>
Date: Sun, 29 Sep 2024 16:04:55 -0600
Subject: [PATCH] Drop luasnip.

---
 users/jrpotter/neovim/config/utils/cmp.lua    |  11 -
 .../jrpotter/neovim/config/utils/luasnip.lua  |  98 -------
 .../neovim/config/utils/statusline.lua        |   8 -
 users/jrpotter/neovim/config/utils/utf8.lua   | 258 ------------------
 users/jrpotter/neovim/default.nix             |  12 -
 5 files changed, 387 deletions(-)
 delete mode 100644 users/jrpotter/neovim/config/utils/luasnip.lua
 delete mode 100644 users/jrpotter/neovim/config/utils/utf8.lua

diff --git a/users/jrpotter/neovim/config/utils/cmp.lua b/users/jrpotter/neovim/config/utils/cmp.lua
index d279b96..12a0408 100644
--- a/users/jrpotter/neovim/config/utils/cmp.lua
+++ b/users/jrpotter/neovim/config/utils/cmp.lua
@@ -2,18 +2,11 @@ local M = {}
 
 local cmp = require("cmp")
 local cmp_buffer = require("cmp_buffer")
-local luasnip = require("luasnip")
 local types = require("cmp.types")
 
 function M.setup()
   cmp.setup {
-    snippet = {
-      expand = function(args)
-        require("luasnip").lsp_expand(args.body)
-      end,
-    },
     sources = {
-      { name = "luasnip", option = { show_autosnippets = true } },
       { name = "nvim_lsp" },
       {
         name = "buffer",
@@ -70,8 +63,6 @@ function M.setup()
       ["<c-n>"] = cmp.mapping(function(fallback)
         if cmp.visible() then
           cmp.select_next_item()
-        elseif luasnip.expand_or_locally_jumpable() then
-          luasnip.expand_or_jump()
         else
           fallback()
         end
@@ -80,8 +71,6 @@ function M.setup()
       ["<c-p>"] = cmp.mapping(function(fallback)
         if cmp.visible() then
           cmp.select_prev_item()
-        elseif luasnip.locally_jumpable(-1) then
-          luasnip.jump(-1)
         else
           fallback()
         end
diff --git a/users/jrpotter/neovim/config/utils/luasnip.lua b/users/jrpotter/neovim/config/utils/luasnip.lua
deleted file mode 100644
index 2187198..0000000
--- a/users/jrpotter/neovim/config/utils/luasnip.lua
+++ /dev/null
@@ -1,98 +0,0 @@
-local M = {}
-
-local luasnip = require("luasnip")
-local types = require("luasnip.util.types")
-
-function M.visual_isn(pos)
-  local d = luasnip.dynamic_node
-  local i = luasnip.insert_node
-  local isn = luasnip.indent_snippet_node
-  local sn = luasnip.snippet_node
-
-  return isn(pos, d(1, function(_, parent)
-    local res, env = {}, parent.snippet.env
-    for _, ele in ipairs(env.LS_SELECT_DEDENT or {}) do
-      table.insert(res, ele)
-    end
-    return sn(nil, i(1, res))
-  end), "$PARENT_INDENT\t")
-end
-
-function M.choice_index(choice_node)
-  for i, c in ipairs(choice_node.choices) do
-    if c == choice_node.active_choice then
-      return i
-    end
-  end
-  return 1
-end
-
-function M.setup()
-  luasnip.config.setup {
-    region_check_events = "InsertEnter",
-    delete_check_events = "InsertLeave",
-    store_selection_keys = "<tab>",
-    enable_autosnippets = true,
-    ext_opts = {
-      [types.snippet] = {
-        active = {
-          virt_text = { { "●", "DiagnosticWarn" } },
-        },
-      },
-      [types.insertNode] = {
-        passive = {
-          hl_group = "DiagnosticVirtualTextWarn",
-        },
-      },
-      [types.choiceNode] = {
-        active = {
-          hl_group = "DiagnosticVirtualTextHint",
-          virt_text = { { "⧨", "DiagnosticHint" } },
-        },
-      },
-    },
-  }
-
-  -- Track where we are expanding the snippet.
-  luasnip.env_namespace("INFO", {
-    init = function(info) return { POS = info.pos } end,
-  })
-
-  vim.keymap.set({ "i", "s" }, "<c-e>", function()
-    if luasnip.choice_active() then
-      return "<Plug>luasnip-next-choice"
-    else
-      return "<c-e>"
-    end
-  end, { silent = true, expr = true, remap = true })
-
-  vim.keymap.set({ "i", "s" }, "<c-y>", function()
-    if luasnip.choice_active() then
-      return "<Plug>luasnip-prev-choice"
-    else
-      return "<c-y>"
-    end
-  end, { silent = true, expr = true, remap = true })
-
-  -- Allow aborting the active snippet at any point in time.
-  vim.keymap.set({ "n", "i", "s" }, "<c-l>", "<cmd>LuaSnipUnlinkCurrent<cr>")
-
-  -- Allow toggling autoexpansion on and off. This is more or less the intended
-  -- approach: https://github.com/L3MON4D3/LuaSnip/issues/832#issuecomment-1474993417
-  luasnip.expand_auto_on = true
-
-  local expand_auto = luasnip.expand_auto
-  local toggle_expand_auto = function()
-    if luasnip.expand_auto_on then
-      luasnip.expand_auto = function() end
-    else
-      luasnip.expand_auto = expand_auto
-    end
-    luasnip.expand_auto_on = not luasnip.expand_auto_on
-  end
-
-  toggle_expand_auto()
-  vim.keymap.set({ "n", "i", "s" }, "", toggle_expand_auto)
-end
-
-return M
diff --git a/users/jrpotter/neovim/config/utils/statusline.lua b/users/jrpotter/neovim/config/utils/statusline.lua
index 8462af2..9b4b612 100644
--- a/users/jrpotter/neovim/config/utils/statusline.lua
+++ b/users/jrpotter/neovim/config/utils/statusline.lua
@@ -24,12 +24,4 @@ function M.get_dap_status()
   end
 end
 
-function M.get_autoexpand_status()
-  if require('luasnip').expand_auto_on then
-    return "🟢 auto"
-  else
-    return "🔴 auto"
-  end
-end
-
 return M
diff --git a/users/jrpotter/neovim/config/utils/utf8.lua b/users/jrpotter/neovim/config/utils/utf8.lua
deleted file mode 100644
index 2c0f50e..0000000
--- a/users/jrpotter/neovim/config/utils/utf8.lua
+++ /dev/null
@@ -1,258 +0,0 @@
-local ls = require('luasnip')
-
-local s = ls.snippet
-local t = ls.text_node
-
-return {
-  -- Superscripts
-  s(
-    { trig = [[\^+]], wordTrig = false },
-    t("⁺")
-  ),
-  s(
-    { trig = [[\^-]], wordTrig = false },
-    t("⁻")
-  ),
-  s(
-    { trig = [[\^0]], wordTrig = false },
-    t("⁰")
-  ),
-  s(
-    { trig = [[\^1]], wordTrig = false },
-    t("¹")
-  ),
-  s(
-    { trig = [[\^2]], wordTrig = false },
-    t("²")
-  ),
-  s(
-    { trig = [[\^3]], wordTrig = false },
-    t("³")
-  ),
-  s(
-    { trig = [[\^4]], wordTrig = false },
-    t("⁴")
-  ),
-  s(
-    { trig = [[\^5]], wordTrig = false },
-    t("⁵")
-  ),
-  s(
-    { trig = [[\^6]], wordTrig = false },
-    t("⁶")
-  ),
-  s(
-    { trig = [[\^7]], wordTrig = false },
-    t("⁷")
-  ),
-  s(
-    { trig = [[\^8]], wordTrig = false },
-    t("⁸")
-  ),
-  s(
-    { trig = [[\^9]], wordTrig = false },
-    t("⁹")
-  ),
-
-  -- Subscripts
-  s(
-    { trig = [[\_+]], wordTrig = false },
-    t("₊")
-  ),
-  s(
-    { trig = [[\_-]], wordTrig = false },
-    t("₋")
-  ),
-  s(
-    { trig = [[\_0]], wordTrig = false },
-    t("₀")
-  ),
-  s(
-    { trig = [[\_1]], wordTrig = false },
-    t("₁")
-  ),
-  s(
-    { trig = [[\_2]], wordTrig = false },
-    t("₂")
-  ),
-  s(
-    { trig = [[\_3]], wordTrig = false },
-    t("₃")
-  ),
-  s(
-    { trig = [[\_4]], wordTrig = false },
-    t("₄")
-  ),
-  s(
-    { trig = [[\_5]], wordTrig = false },
-    t("₅")
-  ),
-  s(
-    { trig = [[\_6]], wordTrig = false },
-    t("₆")
-  ),
-  s(
-    { trig = [[\_7]], wordTrig = false },
-    t("₇")
-  ),
-  s(
-    { trig = [[\_8]], wordTrig = false },
-    t("₈")
-  ),
-  s(
-    { trig = [[\_9]], wordTrig = false },
-    t("₉")
-  ),
-  s(
-    { trig = [[\_a]], wordTrig = false },
-    t("ₐ")
-  ),
-  s(
-    { trig = [[\_i]], wordTrig = false },
-    t("ᵢ")
-  ),
-  s(
-    { trig = [[\_j]], wordTrig = false },
-    t("ⱼ")
-  ),
-  s(
-    { trig = [[\_k]], wordTrig = false },
-    t("ₖ")
-  ),
-  s(
-    { trig = [[\_m]], wordTrig = false },
-    t("ₘ")
-  ),
-  s(
-    { trig = [[\_n]], wordTrig = false },
-    t("ₙ")
-  ),
-
-  -- Lists
-  s(
-    { trig = [[\.]], wordTrig = false },
-    t("·")
-  ),
-  s(
-    { trig = [[\circ]], wordTrig = false },
-    t("∘")
-  ),
-
-  -- Arrows
-  s(
-    { trig = [[\d]], wordTrig = false },
-    t("↓")
-  ),
-  s(
-    { trig = [[\l]], wordTrig = false },
-    t("←")
-  ),
-  s(
-    { trig = [[\lr]], wordTrig = false },
-    t("↔")
-  ),
-  s(
-    { trig = [[←r]], wordTrig = false },
-    t("↔")
-  ),
-  s(
-    { trig = [[\r]], wordTrig = false },
-    t("→")
-  ),
-  s(
-    { trig = [[\u]], wordTrig = false },
-    t("↑")
-  ),
-
-  -- Greek letters
-  s(
-    { trig = [[\a]], wordTrig = false },
-    t("α")
-  ),
-  s(
-    { trig = [[\b]], wordTrig = false },
-    t("β")
-  ),
-  s(
-    { trig = [[\g]], wordTrig = false },
-    t("γ")
-  ),
-  s(
-    { trig = [[\e]], wordTrig = false },
-    t("ε")
-  ),
-  s(
-    { trig = [[\pi]], wordTrig = false },
-    t("π")
-  ),
-  s(
-    { trig = [[\s]], wordTrig = false },
-    t("σ")
-  ),
-  s(
-    { trig = [[\z]], wordTrig = false },
-    t("ζ")
-  ),
-
-  -- Other operators
-  s(
-    { trig = [[\not]], wordTrig = false },
-    t("¬")
-  ),
-  s(
-    { trig = [[\and]], wordTrig = false },
-    t("∧")
-  ),
-  s(
-    { trig = [[αnd]], wordTrig = false },
-    t('∧')
-  ),
-  s(
-    { trig = [[\or]], wordTrig = false },
-    t("∨")
-  ),
-  s(
-    { trig = [[\iff]], wordTrig = false },
-    t("⇔")
-  ),
-  s(
-    { trig = [[\imp]], wordTrig = false },
-    t("⇒")
-  ),
-  s(
-    { trig = [[\cap]], wordTrig = false },
-    t("∩")
-  ),
-  s(
-    { trig = [[\cup]], wordTrig = false },
-    t("∪")
-  ),
-  s(
-    { trig = [[\leq]], wordTrig = false },
-    t("≤")
-  ),
-  s(
-    { trig = [[←eq]], wordTrig = false },
-    t("≤")
-  ),
-  s(
-    { trig = [[\geq]], wordTrig = false },
-    t("≥")
-  ),
-  s(
-    { trig = [[γeq]], wordTrig = false },
-    t("≥")
-  ),
-  s(
-    { trig = [[\in]], wordTrig = false },
-    t("∈")
-  ),
-  s(
-    { trig = [[\notin]], wordTrig = false },
-    t("∉")
-  ),
-  s(
-    { trig = [[¬in]], wordTrig = false },
-    t("∉")
-  ),
-}
diff --git a/users/jrpotter/neovim/default.nix b/users/jrpotter/neovim/default.nix
index 92e29cc..f9e2c14 100644
--- a/users/jrpotter/neovim/default.nix
+++ b/users/jrpotter/neovim/default.nix
@@ -28,16 +28,6 @@ let
     '';
   };
 
-  luasnip = {
-    plugin = pkgs.vimPlugins.luasnip;
-    config = ''
-      require("utils.luasnip").setup()
-      require("luasnip").add_snippets("all", require("utils.utf8"), {
-        type = "autosnippets",
-      })
-    '';
-  };
-
   nvim-cmp = {
     plugin = pkgs.vimPlugins.nvim-cmp;
     config = ''
@@ -129,7 +119,6 @@ in
         } else p) [
         colorscheme  # Is always first.
         lualine
-        luasnip
         nvim-cmp
         nvim-dap
         nvim-lspconfig
@@ -137,7 +126,6 @@ in
         nvim-treesitter
         pkgs.vimPlugins.cmp-buffer
         pkgs.vimPlugins.cmp-nvim-lsp
-        pkgs.vimPlugins.cmp_luasnip
         pkgs.vimPlugins.nvim-web-devicons
         pkgs.vimPlugins.vim-prettier
       ];