1. /**
  2. * Filters log stream data for staging environments, supporting older versions.
  3. *
  4. * @param {Array<Object>} logs - An array of log objects. Each object is expected to have a 'environment' and 'version' property.
  5. * @param {string} targetEnvironment - The target environment to filter for (e.g., 'staging').
  6. * @param {string} minVersion - The minimum supported version (e.g., '1.0'). Older versions will be excluded.
  7. * @returns {Array<Object>} - An array containing only the log objects from the specified environment and version.
  8. */
  9. function filterLogStreams(logs, targetEnvironment, minVersion) {
  10. if (!Array.isArray(logs)) {
  11. return []; // Return empty array if input is not an array
  12. }
  14. const filteredLogs = logs.filter(log => {
  15. // Check if the log object has the required properties
  16. if (!log.environment || !log.version) {
  17. return false; // Skip logs without environment or version
  18. }
  20. // Compare the environment and version
  21. return log.environment === targetEnvironment && log.version >= minVersion;
  22. });
  24. return filteredLogs;
  25. }
  27. //Example Usage (for testing)
  28. // const logs = [
  29. // { environment: 'staging', version: '1.1' },
  30. // { environment: 'production', version: '2.0' },
  31. // { environment: 'staging', version: '1.0' },
  32. // { environment: 'staging', version: '1.2' },
  33. // { environment: 'staging', version: '0.9' }
  34. // ];
  36. // const filtered = filterLogStreams(logs, 'staging', '1.0');
  37. // console.log(filtered);

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