switch to lua-snipp

nvim/init.lua

@@ -6,8 +6,9 @@ require('pluginoptions')
 
 -- PLUGIN OPTIONS
 require('telescopeconfig')
+require('statusline')
+require('snippets')
 require('autocompletion')
 require('treesitterconfig')
 require('filemanager')
-require('statusline')
 require('notes')

nvim/lua/autocompletion.lua

@@ -1,15 +1,17 @@
 -- Setup nvim-cmp.
-local cmp = require'cmp'
+local cmp = require 'cmp'
 
 cmp.setup({
   snippet = {
     expand = function(args)
-      vim.fn['UltiSnips#Anon'](args.body) -- For `ultisnips` users.
+      require('luasnip').lsp_expand(args.body)
     end,
   },
   mapping = {
     ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
     ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
+    ['<C-n>'] = cmp.mapping(cmp.mapping.select_next_item(), {'i','c'}),
+    ['<C-p>'] = cmp.mapping(cmp.mapping.select_prev_item(), {'i','c'}),
     ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
     ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
     ['<C-e>'] = cmp.mapping({
@@ -22,6 +24,7 @@ cmp.setup({
   },
   sources = cmp.config.sources({
     { name = 'nvim_lsp' },
+    { name = 'luasnip' },
   }, {
     { name = 'buffer' },
   })

nvim/lua/plugins.lua

@@ -76,8 +76,8 @@ Plug 'hrsh7th/cmp-path'
 Plug 'hrsh7th/cmp-cmdline'
 Plug 'hrsh7th/nvim-cmp'
 
-Plug 'SirVer/ultisnips'
+Plug 'L3MON4D3/LuaSnip'
-Plug 'quangnguyen30192/cmp-nvim-ultisnips'
+Plug 'saadparwaiz1/cmp_luasnip'
 
 -- Autoformatter
 Plug 'sbdchd/neoformat'

nvim/lua/snippets.lua

@@ -0,0 +1,56 @@
+local ls = require "luasnip"
+
+local types = require "luasnip.util.types"
+
+ls.config.set_config {
+  history = true,
+  updateevents = "TextChanged,TextChangedI",
+
+  enable_autosnippets = true,
+
+  ext_opts = {
+    [types.choiceNode] = {
+      active = {
+	virt_text = { { "<-", "Error" } },
+      }
+    }
+  },
+}
+
+-- expand snippet / jump to next location
+vim.keymap.set({"i", "s" }, "<c-k>", function()
+  if ls.expand_or_jumpable() then
+    ls.expand_or_jump()
+  end
+end, { silent = true })
+
+-- jump to previous location
+vim.keymap.set({"i", "s" }, "<c-j>", function()
+  if ls.jumpable(-1) then
+    ls.jump(-1)
+  end
+end, { silent = true })
+
+-- jump to previous location
+vim.keymap.set({"i"}, "<c-l>", function()
+  if ls.choice_active() then
+    ls.change_choice(1)
+  end
+end, { silent = true })
+
+-- source luafile again
+vim.keymap.set("n", "<leader><leader>s", "<cmd>source ~/.config/nvim/lua/snippets.lua<CR>")
+
+local s = ls.s
+local i = ls.insert_node
+local rep = require("luasnip.extras").rep
+local fmt = require("luasnip.extras.fmt").fmt
+
+
+ls.add_snippets("tex", {
+    s("beg", fmt([[
+\begin{<>}
+  <>
+\end{<>}
+    ]], {i(1, "itemize"), i(2, "test"), rep(1)}, {delimiters = "<>"})),
+})