id: no-identity-pipe
language: TypeScript
message: Remove identity callbacks from pipe calls.
severity: error
rule:
  any:
    - pattern: $RECEIVER.pipe(($VALUE) => $VALUE)
    - pattern: $RECEIVER.pipe($VALUE => $VALUE)
    - pattern: "$RECEIVER.pipe(($VALUE: $TYPE) => $VALUE)"
    - pattern: $RECEIVER.pipe(($VALUE) => { return $VALUE })
    - pattern: $RECEIVER.pipe($VALUE => { return $VALUE })
    - pattern: "$RECEIVER.pipe(($VALUE: $TYPE) => { return $VALUE })"