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MDL-77241 course: optional chaining safety for section toggles.

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This commit is contained in:
Paul Holden 2023-02-14 12:51:08 +00:00
parent eb84455a05
commit be6cb6ab13
3 changed files with 3 additions and 3 deletions
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2
course/format/amd/build/local/content.min.js vendored
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course/format/amd/build/local/content.min.js.map
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course/format/amd/src/local/content.js
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@ -161,7 +161,7 @@ export default class Component extends BaseComponent {
const closestCollapse = event.target.closest(this.selectors.COLLAPSE);
// Assume that chevron is the only collapse toggler in a section heading;
// I think this is the most efficient way to verify at the moment.
const isChevron = closestCollapse.closest(this.selectors.SECTION_ITEM);
const isChevron = closestCollapse?.closest(this.selectors.SECTION_ITEM);
if (sectionlink || isChevron) {