I broke up with neovim....vim is my best friend now

dot_vim/plugged/vim-vsnip-integ/autoload/vsnip_integ/integration/vimlsp.vim

@@ -0,0 +1,32 @@
+"
+" vsnip_integ#integration#vimlsp#attach
+"
+function! vsnip_integ#integration#vimlsp#attach() abort
+  let g:lsp_text_edit_enabled = v:true
+  let g:lsp_get_supported_capabilities = [function('s:get_supported_capabilities')]
+  let g:lsp_snippet_expand = [{ option -> vsnip#anonymous(option.snippet) }]
+endfunction
+
+"
+" get_supported_capabilities.
+"
+function! s:get_supported_capabilities(server_info) abort
+  let l:capabilities = lsp#default_get_supported_capabilities(a:server_info)
+
+  if !has_key(l:capabilities, 'textDocument')
+    let l:capabilities.textDocument = {}
+  endif
+
+  if !has_key(l:capabilities.textDocument, 'completion')
+    let l:capabilities.textDocument.completion = {}
+  endif
+
+  if !has_key(l:capabilities.textDocument.completion, 'completionItem')
+    let l:capabilities.textDocument.completion.completionItem = {}
+  endif
+
+  let l:capabilities.textDocument.completion.completionItem.snippetSupport = v:true
+
+  return l:capabilities
+endfunction
+