@netlify/content-engine
Version:
41 lines • 1.29 kB
JavaScript
;
// This is a simple event emitter based on mitt.js
// It mainly changes the data model to use a Map and Set, rather than a
// regular object and an array.
Object.defineProperty(exports, "__esModule", { value: true });
exports.mett = mett;
function mett() {
const mettEvents = new Map();
return {
on(eventName, callback) {
const set = mettEvents.get(eventName);
if (set) {
set.add(callback);
}
else {
mettEvents.set(eventName, new Set([callback]));
}
},
off(eventName, callback) {
const set = mettEvents.get(eventName);
if (set) {
set.delete(callback);
}
},
emit(eventName, e) {
const setName = mettEvents.get(eventName);
if (setName) {
setName.forEach(function mettEmitEachC(callback) {
callback(e, eventName);
});
}
const setStar = mettEvents.get(`*`);
if (setStar) {
setStar.forEach(function mettEmitEachStar(callback) {
callback(e, eventName);
});
}
},
};
}
//# sourceMappingURL=mett.js.map