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Show local time in Launchpad bug history

Appends local time after GMT timestamps on Launchpad bug history page

  1. // ==UserScript==
  2. // @name         Show local time in Launchpad bug history
  3. // @namespace    http://anthonywong.net/
  4. // @version      1.0
  5. // @description  Appends local time after GMT timestamps on Launchpad bug history page
  6. // @match        https://bugs.launchpad.net/*/+bug/*/+activity
  7. // @grant        none
  8. // @author       Anthony Wong <yp@anthonywong.net>
  9. // @license      GPLv2
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.  
  15.     function convertToLocalTime(gmtTime) {
  16.         // Parse the GMT time string into a Date object
  17.         const date = new Date(gmtTime + ' GMT+0');
  18.         if (isNaN(date.getTime())) {
  19.             return ''; // Return empty if date parsing fails
  20.         }
  21.  
  22.         // Format to local date and time
  23.         return date.toLocaleString();
  24.     }
  25.  
  26.     // Loop through each row in the table
  27.     document.querySelectorAll('table.listing tbody tr').forEach(row => {
  28.         const timestampCell = row.cells[0]; // First column (Timestamp)
  29.  
  30.         if (timestampCell) {
  31.             const gmtTime = timestampCell.innerText.trim();
  32.             const localTime = convertToLocalTime(gmtTime);
  33.  
  34.             if (localTime) {
  35.                 // Append the local time in parentheses
  36.                 timestampCell.innerText += ` (local time: ${localTime})`;
  37.             }
  38.         }
  39.     });
  40. })();