yes there's a bit of java in my nvim config why do you ask?

lua/conf/plugins/luasnip.lua

@@ -0,0 +1,52 @@
+local misc = require('core.misc')
+local map = misc.map
+
+return { 'L3MON4D3/LuaSnip',
+  branch = 'v2.3.0',
+  disable = vim.version().minor < 7,
+  config = function()
+    vim.cmd('make install_jsregexp')
+  end,
+  function()
+    local luasnip = require('luasnip')
+    local types = require("luasnip.util.types")
+
+    luasnip.config.set_config {
+      history = true, -- return back into snippet
+      updateevents = { "TextChanged", "TextChangedI" }, -- update on text insert
+      ext_opts = {
+        [types.choiceNode] = {
+          active = {
+            virt_text = {{ "●", "@boolean" }}
+          }
+        },
+        [types.insertNode] = {
+          active = {
+            virt_text = {{ "●", "@constant" }}
+          }
+        },
+      },
+    }
+
+    map({"i", "s"}, { "<C-e>", "<C-a>" }, function()
+      if luasnip.choice_active() then
+        luasnip.change_choice(1)
+      end
+    end)
+
+    map({"i", "s"}, "<C-k>", function()
+      if luasnip.expandable(-1) then
+        luasnip.expand(-1)
+      end
+    end)
+
+    -- load all snippets from snippet directory
+    for _, file in ipairs(vim.api.nvim_get_runtime_file("lua/snippets/*.lua", true)) do
+      local fn = file:gsub('^.*/', ''):gsub('%.lua$', '')
+      local ret = misc.include('snippets.'..fn)
+      if type(ret) ~= "boolean" then
+        luasnip.add_snippets(fn, ret, { key = fn })
+      end
+    end
+  end
+}