Switch typescript provider, closes #428

syntax/basic/identifiers.vim

@@ -0,0 +1,33 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'typescript') != -1
+  finish
+endif
+
+syntax cluster afterIdentifier contains=
+  \ typescriptDotNotation,
+  \ typescriptFuncCallArg,
+  \ typescriptTemplate,
+  \ typescriptIndexExpr,
+  \ @typescriptSymbols,
+  \ typescriptTypeArguments
+
+syntax match   typescriptIdentifierName        /\<\K\k*/
+  \ nextgroup=@afterIdentifier
+  \ transparent
+  \ contains=@_semantic
+  \ skipnl skipwhite
+
+syntax match   typescriptProp contained /\K\k*!\?/
+  \ transparent
+  \ contains=@props
+  \ nextgroup=@afterIdentifier
+  \ skipwhite skipempty
+
+syntax region  typescriptIndexExpr      contained matchgroup=typescriptProperty start=/\[/rs=s+1 end=/]/he=e-1 contains=@typescriptValue nextgroup=@typescriptSymbols,typescriptDotNotation,typescriptFuncCallArg skipwhite skipempty
+
+syntax match   typescriptDotNotation           /\./ nextgroup=typescriptProp skipnl
+syntax match   typescriptDotStyleNotation      /\.style\./ nextgroup=typescriptDOMStyle transparent
+" syntax match   typescriptFuncCall              contained /[a-zA-Z]\k*\ze(/ nextgroup=typescriptFuncCallArg
+syntax region  typescriptParenExp              matchgroup=typescriptParens start=/(/ end=/)/ contains=@typescriptComments,@typescriptValue,typescriptCastKeyword nextgroup=@typescriptSymbols skipwhite skipempty
+syntax region  typescriptFuncCallArg           contained matchgroup=typescriptParens start=/(/ end=/)/ contains=@typescriptValue,@typescriptComments nextgroup=@typescriptSymbols,typescriptDotNotation skipwhite skipempty skipnl
+syntax region  typescriptEventFuncCallArg      contained matchgroup=typescriptParens start=/(/ end=/)/ contains=@typescriptEventExpression
+syntax region  typescriptEventString           contained start=/\z(["']\)/  skip=/\\\\\|\\\z1\|\\\n/  end=/\z1\|$/ contains=typescriptASCII,@events