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Merge pull request #13854 from Snuffleupagus/issue-13851

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Prevent breaking errors when an optional content group is undefined (issue 13851)
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Tim van der Meij 2021-08-03 23:34:34 +02:00 • committed by GitHub
commit 85be62c684
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4
src/display/optional_content_config.js
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@ -95,6 +95,10 @@ class OptionalContentConfig {
}
isVisible(group) {
if (!group) {
warn("Optional content group not defined.");
return true;
}
if (group.type === "OCG") {
if (!this._groups.has(group.id)) {
warn(`Optional content group not found: ${group.id}`);