38 lines
772 B
JavaScript
38 lines
772 B
JavaScript
let callbacks = {};
|
|
|
|
const register = (eventName, callback) => {
|
|
if (!callbacks[eventName]) {
|
|
callbacks[eventName] = new Set();
|
|
}
|
|
callbacks[eventName].add(callback);
|
|
};
|
|
|
|
const unRegister = (eventName, callback) => {
|
|
if (!callbacks[eventName]) {
|
|
callbacks[eventName] = new Set();
|
|
}
|
|
callbacks[eventName].delete(callback);
|
|
};
|
|
|
|
const unRegisterAll = () => {
|
|
callbacks = {};
|
|
};
|
|
|
|
const fire = (eventName, payload) => {
|
|
if (callbacks[eventName]) {
|
|
callbacks[eventName].forEach(callback => {
|
|
try {
|
|
callback(payload);
|
|
} catch (error) {
|
|
console.log(error);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
export default {
|
|
register,
|
|
unRegister,
|
|
unRegisterAll,
|
|
fire
|
|
}; |