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Merge pull request #2212 from joedf/regression-fix-2201

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Undefined check for object descriptor
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Ian Gilman 2022-10-24 14:16:21 -07:00 committed by GitHub
commit af564547f0
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1 changed files with 10 additions and 4 deletions
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14
src/openseadragon.js
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@ -1102,13 +1102,19 @@ function OpenSeadragon( options ){
// Extend the base object
for ( name in options ) {
var descriptor = Object.getOwnPropertyDescriptor(options, name);
if (descriptor.get || descriptor.set) {
Object.defineProperty(target, name, descriptor);
if (descriptor !== undefined) {
if (descriptor.get || descriptor.set) {
Object.defineProperty(target, name, descriptor);
continue;
}
copy = descriptor.value;
} else {
$.console.warn('Could not copy inherited property "' + name + '".');
continue;
}
copy = descriptor.value;
// Prevent never-ending loop
if ( target === copy ) {
continue;