NoopTextMapPropagator.js 1016 B

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  1. /*
  2. * Copyright The OpenTelemetry Authors
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * https://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. /**
  17. * No-op implementations of {@link TextMapPropagator}.
  18. */
  19. export class NoopTextMapPropagator {
  20. /** Noop inject function does nothing */
  21. inject(_context, _carrier) { }
  22. /** Noop extract function does nothing and returns the input context */
  23. extract(context, _carrier) {
  24. return context;
  25. }
  26. fields() {
  27. return [];
  28. }
  29. }
  30. //# sourceMappingURL=NoopTextMapPropagator.js.map