1 files changed, 36 insertions, 0 deletions
diff --git a/runtime/queries/_javascript/highlights.scm b/runtime/queries/_javascript/highlights.scm
new file mode 100644
index 00000000..8b0bbb94
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+++ b/runtime/queries/_javascript/highlights.scm
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+; Function and method parameters
+;-------------------------------
+
+; Javascript and Typescript Treesitter grammars deviate when defining the
+; tree structure for parameters, so we need to address them in each specific
+; language instead of ecma.
+
+; (p)
+(formal_parameters 
+  (identifier) @variable.parameter)
+
+; (...p)
+(formal_parameters
+  (rest_pattern
+    (identifier) @variable.parameter))
+
+; ({ p })
+(formal_parameters
+  (object_pattern
+    (shorthand_property_identifier_pattern) @variable.parameter))
+
+; ({ a: p })
+(formal_parameters
+  (object_pattern
+    (pair_pattern
+      value: (identifier) @variable.parameter)))
+
+; ([ p ])
+(formal_parameters
+  (array_pattern
+    (identifier) @variable.parameter))
+
+; (p = 1)
+(formal_parameters
+  (assignment_pattern
+    left: (identifier) @variable.parameter))