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Removed event bus

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This commit is contained in:
Simon Backx 2022-09-09 11:48:24 +02:00
parent 527abdbcd6
commit f72e804d08
1 changed files with 0 additions and 56 deletions
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56
apps/comments-ui/src/utils/event-bus.js
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@ -1,56 +0,0 @@
class EventBus {
listeners = new Map()
addListener(owner, type, listener) {
const existing = this.listeners.get(owner);
if (existing) {
existing.push({type, listener});
} else {
this.listeners.set(owner, [{type, listener}]);
}
}
/**
*
* @param {*} owner
* @param {*} [type] Leave out if you want to remove all types
*/
removeListener(owner, type) {
if (type) {
const existing = this.listeners.get(owner);
if (existing) {
this.listeners.set(
owner,
existing.filter(t => t.type !== type)
);
}
} else {
this.listeners.delete(owner);
}
}
/**
*
* @param {*} type
* @param {*} value
* @param {*} [excludeOwner] Don't send the event to this owner (e.g. the sender of the message doesn't want to receive it when it is also listening for it)
* @returns
*/
sendEvent(type, value, excludeOwner) {
const values = [];
for (const owner of this.listeners.values()) {
if (excludeOwner !== undefined && owner === excludeOwner) {
return;
}
for (const listener of owner) {
if (listener.type === type) {
values.push(listener.listener(value, type));
}
}
}
return values;
}
}
export const GlobalEventBus = new EventBus();