Update

syntax/basic/keyword.vim

@@ -5,7 +5,7 @@ endif
 "Import
 syntax keyword typescriptImport                from as
 syntax keyword typescriptImport                import
-  \ nextgroup=typescriptImportType
+  \ nextgroup=typescriptImportType,typescriptTypeBlock,typescriptDefaultImportName
   \ skipwhite
 syntax keyword typescriptImportType            type
   \ contained
@@ -17,11 +17,10 @@ syntax match typescriptExportType              /\<type\s*{\@=/
 syntax keyword typescriptModule                namespace module
 
 
-syntax keyword typescriptCastKeyword           as
+syntax keyword typescriptCastKeyword           as satisfies
   \ nextgroup=@typescriptType
   \ skipwhite
 
-
 syntax keyword typescriptVariable              let var
   \ nextgroup=@typescriptVariableDeclarations
   \ skipwhite skipempty
@@ -90,6 +89,17 @@ syntax cluster typescriptAmbients contains=
   \ typescriptModule
 
 syntax keyword typescriptIdentifier            arguments  nextgroup=@afterIdentifier
+syntax match typescriptDefaultImportName /\v\h\k*( |,)/
+  \ contained
+  \ nextgroup=typescriptTypeBlock
+  \ skipwhite skipempty
+
+syntax region  typescriptTypeBlock
+  \ matchgroup=typescriptBraces
+  \ start=/{/ end=/}/
+  \ contained
+  \ contains=typescriptIdentifierName,typescriptImportType
+  \ fold
 
 "Program Keywords
 exec 'syntax keyword typescriptNull null '.(exists('g:typescript_conceal_null') ? 'conceal cchar='.g:typescript_conceal_null : '').' nextgroup=@typescriptSymbols skipwhite skipempty'

syntax/basic/literal.vim

@@ -22,9 +22,20 @@ syntax region  typescriptString
 
 syntax match   typescriptSpecial            contained "\v\\%(x\x\x|u%(\x{4}|\{\x{1,6}})|c\u|.)"
 
-" From vim runtime
-" <https://github.com/vim/vim/blob/master/runtime/syntax/javascript.vim#L48>
-syntax region  typescriptRegexpString          start=+/[^/*]+me=e-1 skip=+\\\\\|\\/+ end=+/[gimsuy]\{0,5\}\s*$+ end=+/[gimsuy]\{0,5\}\s*[;.,)\]}:]+me=e-1 nextgroup=typescriptDotNotation oneline
+" From pangloss/vim-javascript
+" <https://github.com/pangloss/vim-javascript/blob/d6e137563c47fb59f26ed25d044c0c7532304f18/syntax/javascript.vim#L64-L72>
+syntax region  typescriptRegexpCharClass    contained start=+\[+ skip=+\\.+ end=+\]+ contains=typescriptSpecial extend
+syntax match   typescriptRegexpBoundary     contained "\v\c[$^]|\\b"
+syntax match   typescriptRegexpBackRef      contained "\v\\[1-9]\d*"
+syntax match   typescriptRegexpQuantifier   contained "\v[^\\]%([?*+]|\{\d+%(,\d*)?})\??"lc=1
+syntax match   typescriptRegexpOr           contained "|"
+syntax match   typescriptRegexpMod          contained "\v\(\?[:=!>]"lc=1
+syntax region  typescriptRegexpGroup        contained start="[^\\]("lc=1 skip="\\.\|\[\(\\.\|[^]]\+\)\]" end=")" contains=typescriptRegexpCharClass,@typescriptRegexpSpecial keepend
+syntax region  typescriptRegexpString
+  \ start=+\%(\%(\<return\|\<typeof\|\_[^)\]'"[:blank:][:alnum:]_$]\)\s*\)\@<=/\ze[^*/]+ skip=+\\.\|\[[^]]\{1,}\]+ end=+/[gimyus]\{,6}+
+  \ contains=typescriptRegexpCharClass,typescriptRegexpGroup,@typescriptRegexpSpecial
+  \ oneline keepend extend
+syntax cluster typescriptRegexpSpecial    contains=typescriptSpecial,typescriptRegexpBoundary,typescriptRegexpBackRef,typescriptRegexpQuantifier,typescriptRegexpOr,typescriptRegexpMod
 
 syntax region  typescriptTemplate
   \ start=/`/  skip=/\\\\\|\\`\|\n/  end=/`\|$/