23 lines
909 B
JavaScript
23 lines
909 B
JavaScript
const MamiEventTarget = function(prefix) {
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prefix = typeof prefix === 'string' ? `${prefix}:` : '';
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const eventTarget = new EventTarget;
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const createEvent = (name, detail) => new CustomEvent(prefix + name, (typeof detail === 'object' && detail !== null && 'detail' in detail ? detail : { detail: detail }));
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return {
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create: createEvent,
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addEventListener: eventTarget.addEventListener.bind(eventTarget),
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removeEventListener: eventTarget.removeEventListener.bind(eventTarget),
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dispatchEvent: eventTarget.dispatchEvent.bind(eventTarget),
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watch: (name, ...args) => {
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eventTarget.addEventListener(prefix + name, ...args);
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},
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unwatch: (name, ...args) => {
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eventTarget.removeEventListener(prefix + name, ...args);
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},
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dispatch: (...args) => eventTarget.dispatchEvent(createEvent(...args)),
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};
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};
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