defensive javascript (#3210)
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@@ -176,7 +176,7 @@ export default class KimaiFormSelect extends KimaiPlugin {
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let emptyOpts = [];
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let options = [];
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let titlePattern = null;
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if (select[0].dataset['optionPattern'] !== undefined) {
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if (select[0] !== undefined && select[0].dataset !== undefined && select[0].dataset['optionPattern'] !== undefined) {
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titlePattern = select[0].dataset['optionPattern'];
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}
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if (titlePattern === null || titlePattern === '') {
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