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65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
// https://dom.spec.whatwg.org/#interface-event
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/* c8 ignore start */
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// Node 15 has Event but 14 and 12 don't
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const BUBBLING_PHASE = 3;
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const AT_TARGET = 2;
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const CAPTURING_PHASE = 1;
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const NONE = 0;
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function getCurrentTarget(ev) {
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return ev.currentTarget;
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}
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/**
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* @implements globalThis.Event
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*/
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class GlobalEvent {
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static get BUBBLING_PHASE() { return BUBBLING_PHASE; }
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static get AT_TARGET() { return AT_TARGET; }
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static get CAPTURING_PHASE() { return CAPTURING_PHASE; }
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static get NONE() { return NONE; }
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constructor(type, eventInitDict = {}) {
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this.type = type;
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this.bubbles = !!eventInitDict.bubbles;
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this.cancelBubble = false;
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this._stopImmediatePropagationFlag = false;
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this.cancelable = !!eventInitDict.cancelable;
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this.eventPhase = this.NONE;
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this.timeStamp = Date.now();
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this.defaultPrevented = false;
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this.originalTarget = null;
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this.returnValue = null;
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this.srcElement = null;
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this.target = null;
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this._path = [];
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}
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get BUBBLING_PHASE() { return BUBBLING_PHASE; }
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get AT_TARGET() { return AT_TARGET; }
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get CAPTURING_PHASE() { return CAPTURING_PHASE; }
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get NONE() { return NONE; }
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preventDefault() { this.defaultPrevented = true; }
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// simplified implementation, should be https://dom.spec.whatwg.org/#dom-event-composedpath
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composedPath() {
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return this._path.map(getCurrentTarget);
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}
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stopPropagation() {
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this.cancelBubble = true;
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}
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stopImmediatePropagation() {
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this.stopPropagation();
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this._stopImmediatePropagationFlag = true;
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}
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}
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export {GlobalEvent as Event};
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/* c8 ignore stop */
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