Improve TS/TSX/JS syntax highlighting for parameters, types, and punctuation (#44532)

Relands https://github.com/zed-industries/zed/pull/43437

Release Notes:

- Refined syntax highlighting in JavaScript and TypeScript for better
visual distinction of types, parameters, and JSDoc elements

---------

Co-authored-by: MrSubidubi <dev@bahn.sh>
Co-authored-by: Clay Tercek <30105080+claytercek@users.noreply.github.com>
This commit is contained in:
authored and GitHub committed 2025-12-11 12:02:28 +01:00
1 parent d4cfa21beb
commit e0efdf429b
5 files changed
+397 -6

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+105 -2
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@@ -2,6 +2,40 @@
(identifier) @variable
(call_expression
function: (member_expression
object: (identifier) @type.builtin
(#any-of?
@type.builtin
"Promise"
"Array"
"Object"
"Map"
"Set"
"WeakMap"
"WeakSet"
"Date"
"Error"
"TypeError"
"RangeError"
"SyntaxError"
"ReferenceError"
"EvalError"
"URIError"
"RegExp"
"Function"
"Number"
"String"
"Boolean"
"Symbol"
"BigInt"
"Proxy"
"ArrayBuffer"
"DataView"
)
)
)
; Properties
(property_identifier) @property
@@ -18,6 +52,12 @@
function: (member_expression
property: [(property_identifier) (private_property_identifier)] @function.method))
(new_expression
constructor: (identifier) @type)
(nested_type_identifier
module: (identifier) @type)
; Function and method definitions
(function_expression
@@ -47,10 +87,45 @@
left: (identifier) @function
right: [(function_expression) (arrow_function)])
; Parameters
(required_parameter
(identifier) @variable.parameter)
(required_parameter
(_
([
(identifier)
(shorthand_property_identifier_pattern)
]) @variable.parameter))
(optional_parameter
(identifier) @variable.parameter)
(optional_parameter
(_
([
(identifier)
(shorthand_property_identifier_pattern)
]) @variable.parameter))
(catch_clause
parameter: (identifier) @variable.parameter)
(index_signature
name: (identifier) @variable.parameter)
(arrow_function
parameter: (identifier) @variable.parameter)
; Special identifiers
;
(class_declaration
(type_identifier) @type.class)
(extends_clause
value: (identifier) @type.class)
((identifier) @type
(#match? @type "^[A-Z]"))
(type_identifier) @type
(predefined_type) @type.builtin
@@ -251,6 +326,34 @@
(jsx_closing_element (identifier) @tag.jsx (#match? @tag.jsx "^[a-z][^.]*$"))
(jsx_self_closing_element (identifier) @tag.jsx (#match? @tag.jsx "^[a-z][^.]*$"))
(jsx_opening_element
[
(identifier) @type
(member_expression
object: (identifier) @type
property: (property_identifier) @type
)
]
)
(jsx_closing_element
[
(identifier) @type
(member_expression
object: (identifier) @type
property: (property_identifier) @type
)
]
)
(jsx_self_closing_element
[
(identifier) @type
(member_expression
object: (identifier) @type
property: (property_identifier) @type
)
]
)
(jsx_attribute (property_identifier) @attribute.jsx)
(jsx_opening_element (["<" ">"]) @punctuation.bracket.jsx)
(jsx_closing_element (["</" ">"]) @punctuation.bracket.jsx)