Fix Australian timezone abbreviations in tooltips

Fixes Australian 4-letter timezone abbreviations which were rendering
incorrectly in many places.

Changelog: fixed

app/assets/javascripts/lib/utils/datetime_range.js

@@ -26,7 +26,17 @@ const isValidDateString = (dateString) => {
     return false;
   }
 
-  return !Number.isNaN(Date.parse(dateformat(dateString, 'isoUtcDateTime')));
+  let isoFormatted;
+  try {
+    isoFormatted = dateformat(dateString, 'isoUtcDateTime');
+  } catch (e) {
+    if (e instanceof TypeError) {
+      // not a valid date string
+      return false;
+    }
+    throw e;
+  }
+  return !Number.isNaN(Date.parse(isoFormatted));
 };
 
 const handleRangeDirection = ({ direction = DEFAULT_DIRECTION, anchorDate, minDate, maxDate }) => {

jest.config.base.js

@@ -122,7 +122,7 @@ module.exports = (path, options = {}) => {
       '^.+\\.(md|zip|png)$': 'jest-raw-loader',
     },
     transformIgnorePatterns: [
-      'node_modules/(?!(@gitlab/ui|@gitlab/favicon-overlay|bootstrap-vue|three|monaco-editor|monaco-yaml|fast-mersenne-twister|prosemirror-markdown)/)',
+      'node_modules/(?!(@gitlab/ui|@gitlab/favicon-overlay|bootstrap-vue|three|monaco-editor|monaco-yaml|fast-mersenne-twister|prosemirror-markdown|dateformat)/)',
     ],
     timers: 'fake',
     testEnvironment: '<rootDir>/spec/frontend/environment.js',

package.json

@@ -120,7 +120,7 @@
     "d3": "^5.16.0",
     "d3-sankey": "^0.12.3",
     "d3-selection": "^1.2.0",
-    "dateformat": "^4.5.1",
+    "dateformat": "^5.0.1",
     "deckar01-task_list": "^2.3.1",
     "diff": "^3.4.0",
     "dompurify": "^2.3.3",

yarn.lock

@@ -4333,10 +4333,10 @@ date-now@^0.1.4:
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
   integrity sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=
 
-dateformat@^4.5.1:
-  version "4.5.1"
-  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-4.5.1.tgz#c20e7a9ca77d147906b6dc2261a8be0a5bd2173c"
-  integrity sha512-OD0TZ+B7yP7ZgpJf5K2DIbj3FZvFvxgFUuaqA/V5zTjAtAAXZ1E8bktHxmAGs4x5b7PflqA9LeQ84Og7wYtF7Q==
+dateformat@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-5.0.1.tgz#60a27a2deb339f888ba4532f533e25ac73ca3d19"
+  integrity sha512-DrcKxOW2am3mtqoJwBTK3OlWcF0QSk1p8diEWwpu3Mf//VdURD7XVaeOV738JvcaBiFfm9o2fisoMhiJH0aYxg==
 
 de-indent@^1.0.2:
   version "1.0.2"