ant-design-vue/components/_util/supportsPassive.js

14 lines
387 B
JavaScript

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