nvim-treesitter/queries/angular/highlights.scm

(identifier) @variable

(pipe_sequence
  "|" @operator)

(string) @string

(number) @number

(pipe_call
  name: (identifier) @function)

(pipe_call
  arguments:
    (pipe_arguments
      (identifier) @variable.parameter))

(structural_assignment
  operator: (identifier) @keyword)

(member_expression
  property: (identifier) @property)

(call_expression
  function: (identifier) @function)

(call_expression
  function:
    ((identifier) @function.builtin
      (#eq? @function.builtin "$any")))

[
  "let"
  "as"
] @keyword

[
  "("
  ")"
  "["
  "]"
  "{"
  "}"
] @punctuation.bracket

[
  ";"
  "."
  ","
  "?."
] @punctuation.delimiter

((identifier) @boolean
  (#any-of? @boolean "true" "false"))

((identifier) @variable.builtin
  (#any-of? @variable.builtin "this" "\$event" "null"))

[
  "-"
  "&&"
  "+"
  "<"
  "<="
  "="
  "=="
  "==="
  "!="
  "!=="
  ">"
  ">="
  "*"
  "/"
  "||"
  "%"
] @operator