123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 |
- 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;
- }
- module.exports = useNative() ? NativeCustomEvent :
- '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;
- } :
- 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;
- }
|