ungleich-staticcms/assets/u/static/popper.js-1.16.0/packages/test-utils/utils/customEventPolyfill.js

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(function() {
if (typeof window.CustomEvent === 'function') {
return false;
}
function CustomEvent(event, params) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
const evt = document.createEvent('CustomEvent');
evt.initCustomEvent(
event,
params.bubbles,
params.cancelable,
params.detail
);
return evt;
}
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent;
})();