Open elmarini opened 8 months ago
TypeError: Cannot redefine property: onload
When using jest's createMockFromModule it seems to trigger some code where a DOM element's non-configurable attribute is being redefined?
createMockFromModule
Object.register_event (node_modules/mixpanel-browser/dist/mixpanel.cjs.js:1170:29) var register_event = function(element, type, handler, oldSchool, useCapture) { if (!element) { console.error('No valid element provided to register_event'); return; }
if (element.addEventListener && !oldSchool) { element.addEventListener(type, handler, !!useCapture); } else { var ontype = 'on' + type; var old_handler = element[ontype]; // can be undefined element[ontype] = makeHandler(element, handler, old_handler); } };
TypeError: Cannot redefine property: onload
When using jest's
createMockFromModule
it seems to trigger some code where a DOM element's non-configurable attribute is being redefined?Object.register_event (node_modules/mixpanel-browser/dist/mixpanel.cjs.js:1170:29) var register_event = function(element, type, handler, oldSchool, useCapture) { if (!element) { console.error('No valid element provided to register_event'); return; }