1 files changed, 32 insertions, 0 deletions
diff --git a/queries/javascript/locals.scm b/queries/javascript/locals.scm
index b6d9b28bf..f4f0e92de 100644
--- a/queries/javascript/locals.scm
+++ b/queries/javascript/locals.scm
@@ -1 +1,33 @@
 ; inherits: ecma,jsx
+
+(formal_parameters
+  (identifier) @definition.parameter)
+
+; function(arg = []) {
+(formal_parameters
+  (assignment_pattern
+    left: (identifier) @definition.parameter))
+
+; x => x
+(arrow_function
+  parameter: (identifier) @definition.parameter)
+
+;; ({ a }) => null
+(formal_parameters
+  (object_pattern
+    (shorthand_property_identifier_pattern) @definition.parameter))
+
+;; ({ a: b }) => null
+(formal_parameters
+  (object_pattern
+    (pair_pattern
+      value: (identifier) @definition.parameter)))
+
+;; ([ a ]) => null
+(formal_parameters
+  (array_pattern
+    (identifier) @definition.parameter))
+
+(formal_parameters
+  (rest_pattern
+    (identifier) @definition.parameter))