ComponentLogger.js 3.6 KB

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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. var __read = (this && this.__read) || function (o, n) {
  17. var m = typeof Symbol === "function" && o[Symbol.iterator];
  18. if (!m) return o;
  19. var i = m.call(o), r, ar = [], e;
  20. try {
  21. while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
  22. }
  23. catch (error) { e = { error: error }; }
  24. finally {
  25. try {
  26. if (r && !r.done && (m = i["return"])) m.call(i);
  27. }
  28. finally { if (e) throw e.error; }
  29. }
  30. return ar;
  31. };
  32. var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
  33. if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
  34. if (ar || !(i in from)) {
  35. if (!ar) ar = Array.prototype.slice.call(from, 0, i);
  36. ar[i] = from[i];
  37. }
  38. }
  39. return to.concat(ar || Array.prototype.slice.call(from));
  40. };
  41. import { getGlobal } from '../internal/global-utils';
  42. /**
  43. * Component Logger which is meant to be used as part of any component which
  44. * will add automatically additional namespace in front of the log message.
  45. * It will then forward all message to global diag logger
  46. * @example
  47. * const cLogger = diag.createComponentLogger({ namespace: '@opentelemetry/instrumentation-http' });
  48. * cLogger.debug('test');
  49. * // @opentelemetry/instrumentation-http test
  50. */
  51. var DiagComponentLogger = /** @class */ (function () {
  52. function DiagComponentLogger(props) {
  53. this._namespace = props.namespace || 'DiagComponentLogger';
  54. }
  55. DiagComponentLogger.prototype.debug = function () {
  56. var args = [];
  57. for (var _i = 0; _i < arguments.length; _i++) {
  58. args[_i] = arguments[_i];
  59. }
  60. return logProxy('debug', this._namespace, args);
  61. };
  62. DiagComponentLogger.prototype.error = function () {
  63. var args = [];
  64. for (var _i = 0; _i < arguments.length; _i++) {
  65. args[_i] = arguments[_i];
  66. }
  67. return logProxy('error', this._namespace, args);
  68. };
  69. DiagComponentLogger.prototype.info = function () {
  70. var args = [];
  71. for (var _i = 0; _i < arguments.length; _i++) {
  72. args[_i] = arguments[_i];
  73. }
  74. return logProxy('info', this._namespace, args);
  75. };
  76. DiagComponentLogger.prototype.warn = function () {
  77. var args = [];
  78. for (var _i = 0; _i < arguments.length; _i++) {
  79. args[_i] = arguments[_i];
  80. }
  81. return logProxy('warn', this._namespace, args);
  82. };
  83. DiagComponentLogger.prototype.verbose = function () {
  84. var args = [];
  85. for (var _i = 0; _i < arguments.length; _i++) {
  86. args[_i] = arguments[_i];
  87. }
  88. return logProxy('verbose', this._namespace, args);
  89. };
  90. return DiagComponentLogger;
  91. }());
  92. export { DiagComponentLogger };
  93. function logProxy(funcName, namespace, args) {
  94. var logger = getGlobal('diag');
  95. // shortcut if logger not set
  96. if (!logger) {
  97. return;
  98. }
  99. args.unshift(namespace);
  100. return logger[funcName].apply(logger, __spreadArray([], __read(args), false));
  101. }
  102. //# sourceMappingURL=ComponentLogger.js.map