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

dot_vim/plugged/vim-vsnip/autoload/vsnip/source/user_snippet.vim

@@ -0,0 +1,69 @@
+let s:cache = {}
+
+"
+" vsnip#source#user_snippet#find.
+"
+function! vsnip#source#user_snippet#find(bufnr) abort
+  let l:sources = []
+  for l:path in s:get_source_paths(a:bufnr)
+    if !has_key(s:cache, l:path)
+      let s:cache[l:path] = vsnip#source#create(l:path)
+    endif
+    call add(l:sources, s:cache[l:path])
+  endfor
+  return l:sources
+endfunction
+
+"
+" vsnip#source#user_snippet#refresh.
+"
+function! vsnip#source#user_snippet#refresh(path) abort
+  if has_key(s:cache, a:path)
+    unlet s:cache[a:path]
+  endif
+endfunction
+
+function! s:get_source_dirs(bufnr) abort
+  let l:dirs = []
+  let l:buf_dir = getbufvar(a:bufnr, 'vsnip_snippet_dir', v:null)
+  if l:buf_dir isnot v:null
+      let l:dirs += [l:buf_dir]
+  endif
+  let l:dirs += getbufvar(a:bufnr, 'vsnip_snippet_dirs', [])
+  let l:dirs += [g:vsnip_snippet_dir]
+  let l:dirs += g:vsnip_snippet_dirs
+  return l:dirs
+endfunction
+
+"
+" get_source_paths.
+"
+function! s:get_source_paths(bufnr) abort
+  let l:filetypes = vsnip#source#filetypes(a:bufnr)
+
+  let l:paths = []
+  for l:dir in s:get_source_dirs(a:bufnr)
+    for l:filetype in l:filetypes
+      let l:path = resolve(expand(printf('%s/%s.json', l:dir, l:filetype)))
+      if has_key(s:cache, l:path) || filereadable(l:path)
+        call add(l:paths, l:path)
+      endif
+    endfor
+  endfor
+  return l:paths
+endfunction
+
+"
+" vsnip#source#user_snippet#dirs
+"
+fun! vsnip#source#user_snippet#dirs(...) abort
+  return s:get_source_dirs(a:0 ? a:1 : bufnr(''))
+endfun
+
+"
+" vsnip#source#user_snippet#paths
+"
+fun! vsnip#source#user_snippet#paths(...) abort
+  return s:get_source_paths(a:0 ? a:1 : bufnr(''))
+endfun
+