;; Forked from https://github.com/nvim-treesitter/nvim-treesitter/blob/master/queries/javascript/highlights.scm
;; Licensed under the Apache License 2.0
; inherits: ecma,jsx
;;; Parameters
(formal_parameters
  (identifier) @parameter
)

(formal_parameters
  (rest_pattern
    (identifier) @parameter
  )
)

;; ({ a }) => null
(formal_parameters
  (object_pattern
    (shorthand_property_identifier_pattern) @parameter
  )
)

;; ({ a = b }) => null
(formal_parameters
  (object_pattern
    (object_assignment_pattern
      (shorthand_property_identifier_pattern) @parameter
    )
  )
)

;; ({ a: b }) => null
(formal_parameters
  (object_pattern
    (pair_pattern
      value: (identifier) @parameter
    )
  )
)

;; ([ a ]) => null
(formal_parameters
  (array_pattern
    (identifier) @parameter
  )
)

;; ({ a } = { a }) => null
(formal_parameters
  (assignment_pattern
    (object_pattern
      (shorthand_property_identifier_pattern) @parameter
    )
  )
)

;; ({ a = b } = { a }) => null
(formal_parameters
  (assignment_pattern
    (object_pattern
      (object_assignment_pattern
        (shorthand_property_identifier_pattern) @parameter
      )
    )
  )
)

;; a => null
(arrow_function
  parameter: (identifier) @parameter
)

;; optional parameters
(formal_parameters
  (assignment_pattern
    left: (identifier) @parameter
  )
)

;; punctuation
; crates.io skip
(optional_chain) @punctuation.delimiter