Add vim-jsdoc to typescript layer (#2527)

* Add vim-jsdoc to typescript layer

* Improve typescript layer doc

autoload/SpaceVim/layers/lang/typescript.vim

@@ -10,6 +10,7 @@
 function! SpaceVim#layers#lang#typescript#plugins() abort
   let plugins = []
   call add(plugins, ['leafgarland/typescript-vim'])
+  call add(plugins, ['heavenshell/vim-jsdoc', { 'on_cmd': 'JsDoc' }])
   if !SpaceVim#layers#lsp#check_filetype('typescript')
     if has('nvim')
       call add(plugins, ['mhartington/nvim-typescript', {'build': './install.sh'}])
@@ -91,6 +92,11 @@ function! s:on_ft() abort
             \ 'references', 1)
     endif
   endif
+  let g:_spacevim_mappings_space.l.g = {'name' : '+Generate'}
+
+  call SpaceVim#mapping#space#langSPC('nnoremap', ['l', 'g', 'd'], 'JsDoc',
+        \ 'generate JSDoc', 1)
+
 endfunction
 
 function! s:go_to_def() abort

docs/cn/layers/lang/typescript.md

@@ -62,4 +62,5 @@ npm install -g typescript
 | `SPC l r`   | references         |
 | `SPC l s`   | search             |
 | `SPC l t`   | type               |
+| `SPC l g d` | generate doc       |
 | `g d`       | defintion preview  |

docs/layers/lang/typescript.md

@@ -1,6 +1,6 @@
 ---
 title: "SpaceVim lang#typescript layer"
-description: "This layer is for TypeScript development"
+description: "This layer is for TypeScript development, includding code completion, Syntax lint, and doc generation."
 ---
 
 # [Available Layers](../../) >> lang#typescript
@@ -17,7 +17,7 @@ description: "This layer is for TypeScript development"
 
 ## Description
 
-This layer is for TypeScript development.
+This layer is for TypeScript development, includding code completion, Syntax lint, and doc generation.
 
 ## Install
 
@@ -61,4 +61,5 @@ npm install -g typescript
 | `SPC l r`   | references         |
 | `SPC l s`   | search             |
 | `SPC l t`   | type               |
-| `g d`   | defintion preview  |
+| `SPC l g d` | generate doc       |
+| `g d`       | defintion preview  |