Update runtime files.

runtime/ftplugin/typescript.vim

@@ -0,0 +1,39 @@
+" Vim filetype plugin file
+" Language:	TypeScript
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2019 Aug 30
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo-=C
+
+" Set 'formatoptions' to break comment lines but not other lines,
+" and insert the comment leader when hitting <CR> or using "o".
+setlocal formatoptions-=t formatoptions+=croql
+
+" Set 'comments' to format dashed lists in comments.
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,://
+
+setlocal commentstring=//%s
+
+setlocal suffixesadd+=.ts,.d.ts,.tsx,.js,.jsx,.cjs,.mjs
+
+" Change the :browse e filter to primarily show TypeScript-related files.
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+    let  b:browsefilter="TypeScript Files (*.ts)\t*.ts\n" .
+		\	"TypeScript Declaration Files (*.d.ts)\t*.d.ts\n" .
+		\	"TSX Files (*.tsx)\t*.tsx\n" .
+		\	"JavaScript Files (*.js)\t*.js\n" .
+		\	"JavaScript Modules (*.es, *.cjs, *.mjs)\t*.es;*.cjs;*.mjs\n" .
+		\	"JSON Files (*.json)\t*.json\n" .
+		\	"All Files (*.*)\t*.*\n"
+endif
+       
+let b:undo_ftplugin = "setl fo< com< cms< sua< | unlet! b:browsefilter" 
+
+let &cpo = s:cpo_save
+unlet s:cpo_save