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	Refactor all .length === 0 patterns in JS (#30045)
				
					
				
			This pattern comes of often during review, so let's fix it once and for all. Did not test, but changes are trivial enough imho.
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		| @@ -153,11 +153,11 @@ export function initRepoTopicBar() { | ||||
|  | ||||
|   $.fn.form.settings.rules.validateTopic = function (_values, regExp) { | ||||
|     const $topics = $topicDropdown.children('a.ui.label'); | ||||
|     const status = $topics.length === 0 || $topics.last()[0].getAttribute('data-value').match(regExp); | ||||
|     const status = !$topics.length || $topics.last()[0].getAttribute('data-value').match(regExp); | ||||
|     if (!status) { | ||||
|       $topics.last().removeClass('green').addClass('red'); | ||||
|     } | ||||
|     return status && $topicDropdown.children('a.ui.label.red').length === 0; | ||||
|     return status && !$topicDropdown.children('a.ui.label.red').length; | ||||
|   }; | ||||
|  | ||||
|   $topicForm.form({ | ||||
|   | ||||
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