More refactoring, leveraging after/ftplugin

after/ftplugin/cs.vim

@@ -0,0 +1,14 @@
+let g:OmniSharp_selector_ui = 'ctrlp'
+let g:OmniSharp_highlight_groups = {
+            \ 'csUserIdentifier': [
+            \ 'constant name', 'enum member name', 'field name', 'identifier',
+            \ 'local name', 'parameter name', 'property name', 'static symbol'],
+            \ 'csUserInterface': ['interface name'],
+            \ 'csUserMethod': ['extension method name', 'method name'],
+            \ 'csUserType': ['class name', 'enum name', 'namespace name', 'struct name']
+            \}
+let g:OmniSharp_highlight_types = 2
+
+nnoremap <buffer> <leader>D  :OmniSharpGotoDefinition<CR>
+nnoremap <buffer> <leader>cc :OmniSharpGlobalCodeCheck<CR>
+nnoremap <buffer> <F12>      :OmniSharpGetCodeActions<CR>

after/ftplugin/javascript.vim

@@ -0,0 +1,2 @@
+setlocal suffixesadd='.js'
+setlocal ai sw=2 sts=2 et

after/ftplugin/typescript.vim

@@ -0,0 +1,2 @@
+setlocal suffixesadd='.ts'
+setlocal suffixesadd='/index.ts'