fix js completion

.gitmodules

@@ -85,3 +85,9 @@
 [submodule "pack/plugins/opt/nvim-cmp"]
 	path = pack/plugins/opt/nvim-cmp
 	url = https://github.com/hrsh7th/nvim-cmp.git
+[submodule "pack/plugins/opt/cmp-vsnip"]
+	path = pack/plugins/opt/cmp-vsnip
+	url = https://github.com/hrsh7th/cmp-vsnip
+[submodule "pack/plugins/opt/vim-vsnip"]
+	path = pack/plugins/opt/vim-vsnip
+	url = https://github.com/hrsh7th/vim-vsnip

pack/plugins/opt/cmp-vsnip

@@ -0,0 +1 @@
+Subproject commit 1588c35bf8f637e8f5287477f31895781858f970

pack/plugins/opt/vim-vsnip

@@ -0,0 +1 @@
+Subproject commit 9ac8044206d32bea4dba34e77b6a3b7b87f65df6

plugins.vim

@@ -1,8 +1,10 @@
 " cmp-nvim-lsp, nvim-cmp, nvim-lspconfig
 if has('nvim')
     packadd cmp-nvim-lsp
+    packadd cmp-vsnip
     packadd nvim-cmp
     packadd nvim-lspconfig
+    packadd vim-vsnip
 
 lua << EOF
     -- Use an on_attach function to only map the following keys
@@ -63,6 +65,12 @@ lua << EOF
         },
         sources = {
             {name = 'nvim_lsp'},
+            {name = 'vsnip'},
+        },
+        snippet = {
+            expand = function(args)
+                vim.fn["vsnip#anonymous"](args.body)
+            end,
         },
     }