[language-typescript] Various highlighting fixes…

* Declared namespaces should be `entity` only, not `support`
* `<` and `>` in type parameters should always have the proper `punctuation` scopes applied
* All TSX tags should have the surrounding `meta.tag.ts.tsx` scope applied
* TSX fragments (`<>`) should be highlighted

packages/language-typescript/grammars/common/highlights.scm

@@ -294,7 +294,8 @@
 ; ==========
 
 (interface_declaration
-  name: (_) @entity.name.type.interface._LANG_)
+  name: (_) @entity.name.type.interface._LANG_
+  (#set! capture.final))
 
 
 ; TYPES
@@ -310,6 +311,11 @@
 (type_arguments ">" @punctuation.definition.parameters.end.bracket.angle.js
   (#set! capture.final))
 
+(type_parameters "<" @punctuation.definition.parameters.begin.bracket.angle.js
+  (#set! capture.final))
+(type_parameters ">" @punctuation.definition.parameters.end.bracket.angle.js
+  (#set! capture.final))
+
 "=>" @storage.type.arrow._LANG_
 
 ; TODO: If I allow scopes like `storage.type.string._LANG_`, I will make a lot of

packages/language-typescript/grammars/tree-sitter-tsx/highlights.scm

@@ -9,24 +9,27 @@
 
 ; The "Foo" in `<Foo>`.
 (jsx_opening_element
-  name: (identifier) @entity.name.tag.ts.tsx)
+  name: (identifier) @entity.name.tag.ts.tsx) @meta.tag.ts.tsx
 
 ; The "Foo.Bar" in `<Foo.Bar>`.
 (jsx_opening_element
-  name: (nested_identifier) @entity.name.tag.ts.tsx)
+  name: (nested_identifier) @entity.name.tag.ts.tsx) @meta.tag.ts.tsx
 
 ; The "Foo" in `</Foo>`.
 (jsx_closing_element
-  name: (identifier) @entity.name.tag.ts.tsx)
+  name: (identifier) @entity.name.tag.ts.tsx) @meta.tag.ts.tsx
 
 ; The "Foo.Bar" in `</Foo.Bar>`.
 (jsx_closing_element
-  name: (nested_identifier) @entity.name.tag.ts.tsx)
+  name: (nested_identifier) @entity.name.tag.ts.tsx) @meta.tag.ts.tsx
 
 ; The "bar" in `<Foo bar={true} />`.
 (jsx_attribute
   (property_identifier) @entity.other.attribute-name.ts.tsx)
 
+; The empty tag used as a shorthand for a fragment: `<>`.
+(jsx_fragment) @meta.tag.ts.tsx
+
 ; The slashes in closing tags should not be interpreted as math operators.
 (jsx_self_closing_element "/" @punctuation.definition.tag.end.ts.tsx
   (#set! capture.final true))
@@ -48,6 +51,10 @@
   "<" @punctuation.definition.tag.begin.ts.tsx
   ">" @punctuation.definition.tag.end.ts.tsx)
 
+(jsx_fragment
+  "<" @punctuation.definition.tag.begin.ts.tsx
+  ">" @punctuation.definition.tag.end.ts.tsx)
+
 (jsx_self_closing_element
   "<" @punctuation.definition.tag.begin.ts.tsx
   (#set! capture.final true))