Added in native resolution of snippets

init.lua

@@ -6,4 +6,5 @@ end
 require("core.options")
 require("core.treesitter")
 require("core.lsp")
+require("core.snippets")
 require("core.statusline")

lua/core/snippets.lua

@@ -0,0 +1,49 @@
+local snippet_group = vim.api.nvim_create_augroup('user-snippet-expand', {})
+vim.api.nvim_create_autocmd('CompleteDone', {
+  group = snippet_group,
+  desc = 'Expand LSP snippet',
+  pattern = '*',
+  callback = function(opts)
+    local comp = vim.v.completed_item;
+    local item = vim.tbl_get(comp, 'user_data', 'nvim', 'lsp', 'completion_item');
+
+    -- check that we were given a snippet
+    if (
+      not item
+      or not item.insertTextFormat
+      or item.insertTextFormat == 1
+    ) then
+    return;
+  end
+
+  -- remove the inserted text
+  local cursor = vim.api.nvim_win_get_cursor(0);
+  local line = vim.api.nvim_get_current_line();
+  local lnum = cursor[1] - 1;
+  local start_char = cursor[2] - #comp.word;
+  vim.api.nvim_buf_set_text(opts.buf, lnum, start_char, lnum, #line, {''});
+
+  -- insert snippet
+  local snip_text = vim.tbl_get(item, 'textEdit', 'newText') or item.insertText;
+  assert(snip_text, "Language server indicated it had a snippet, but no snippet text could be found!");
+  vim.snippet.expand(snip_text);
+end
+});
+
+vim.api.nvim_create_autocmd('LspAttach', {
+  callback = function (args)
+    vim.keymap.set({'i', 'n'}, '<C-l>', function ()
+      if vim.snippet.active({direction = 1}) then
+        vim.snippet.jump(1);
+      end
+    end,
+    { buffer = args.buf, noremap = true });
+
+    vim.keymap.set({'i', 'n'}, '<C-h>', function ()
+      if vim.snippet.active({direction = 1}) then
+        vim.snippet.jump(-1)
+      end
+    end,
+    { buffer = args.buf, noremap = false });
+  end
+})