Fix vim support

autoload/SpaceVim/layers/lang/typescript.vim

@@ -24,3 +24,17 @@ function! SpaceVim#layers#lang#typescript#config() abort
         autocmd FileType typescript setlocal omnifunc=tsuquyomi#complete
     endif
 endfunction
+
+function! SpaceVim#layers#typescript#set_variable(var) abort
+    if has('nvim')
+        let  g:nvim_typescript#server_path =
+                    \ get(a:var, 'typescript_server_path',
+                    \ './node_modules/.bin/tsserver')
+    else
+        let tsserver_path = get(a:var, 'typescript_server_path', '')
+        if !empty(tsserver_path)
+            let g:tsuquyomi_use_dev_node_module = 2
+            let g:tsuquyomi_tsserver_path = tsserver_path
+        endif
+    endif
+endfunction

docs/layers/lang/typescript.md

@@ -0,0 +1,39 @@
+---
+title: "SpaceVim lang#typescript layer"
+---
+
+# [SpaceVim Layers:](https://spacevim.org/layers) lang#typescript
+
+<!-- vim-markdown-toc GFM -->
+
+- [Description](#description)
+- [Layer Installation](#layer-installation)
+- [Features](#features)
+- [Layer configuration](#layer-configuration)
+
+<!-- vim-markdown-toc -->
+
+## Description
+
+This layer is for TypeScript development.
+
+## Layer Installation
+
+To use this configuration layer, add `call SpaceVim#layers#load('lang#typescript')` to your custom configuration file. BTW, you need to install TypeScript via:
+
+```sh
+npm install -g typescript
+```
+
+## Features
+
+- auto-completion
+- syntax checking
+- viewing documentation
+- type-signature
+- goto definition
+- refernce finder
+
+## Layer configuration
+
+`typescript_server_path`: set the path of the tsserver.