lix-website/themes/lix/assets/bootstrap/node_modules/custom-event/index.js
2024-04-26 22:49:34 -06:00

49 lines
1.1 KiB
JavaScript

var NativeCustomEvent = global.CustomEvent;
function useNative () {
try {
var p = new NativeCustomEvent('cat', { detail: { foo: 'bar' } });
return 'cat' === p.type && 'bar' === p.detail.foo;
} catch (e) {
}
return false;
}
/**
* Cross-browser `CustomEvent` constructor.
*
* https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent.CustomEvent
*
* @public
*/
module.exports = useNative() ? NativeCustomEvent :
// IE >= 9
'undefined' !== typeof document && 'function' === typeof document.createEvent ? function CustomEvent (type, params) {
var e = document.createEvent('CustomEvent');
if (params) {
e.initCustomEvent(type, params.bubbles, params.cancelable, params.detail);
} else {
e.initCustomEvent(type, false, false, void 0);
}
return e;
} :
// IE <= 8
function CustomEvent (type, params) {
var e = document.createEventObject();
e.type = type;
if (params) {
e.bubbles = Boolean(params.bubbles);
e.cancelable = Boolean(params.cancelable);
e.detail = params.detail;
} else {
e.bubbles = false;
e.cancelable = false;
e.detail = void 0;
}
return e;
}