ant-design-vue/components/_util/supportsPassive.js
2023-08-30 22:48:17 +08:00

14 lines
389 B
JavaScript

// Test via a getter in the options object to see if the passive property is accessed
let supportsPassive = false;
try {
const opts = Object.defineProperty({}, 'passive', {
get() {
supportsPassive = true;
},
});
window.addEventListener('testPassive', null, opts);
window.removeEventListener('testPassive', null, opts);
} catch (e) {}
export default supportsPassive;