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Small fixes to frontend events

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This commit is contained in:
Lea Anthony
2020-10-03 15:29:34 +10:00
parent e960afe8f6
commit 10d68b2676
1 changed files with 38 additions and 27 deletions
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65
v2/internal/runtime/js/core/events.js
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@@ -82,6 +82,38 @@ export function Once(eventName, callback) {
OnMultiple(eventName, callback, 1);
}
function notifyListeners(eventData) {
// Get the event name
var eventName = eventData.name;
// Check if we have any listeners for this event
if (eventListeners[eventName]) {
// Keep a list of listener indexes to destroy
const newEventListenerList = eventListeners[eventName].slice();
// Iterate listeners
for (let count = 0; count < eventListeners[eventName].length; count += 1) {
// Get next listener
const listener = eventListeners[eventName][count];
var data = eventData.data;
// Do the callback
const destroy = listener.Callback(data);
if (destroy) {
// if the listener indicated to destroy itself, add it to the destroy list
newEventListenerList.splice(count, 1);
}
}
// Update callbacks with new list of listners
eventListeners[eventName] = newEventListenerList;
}
}
/**
* Notify informs frontend listeners that an event was emitted with the given data
*
@@ -100,33 +132,7 @@ export function Notify(notifyMessage) {
throw new Error(error);
}
var eventName = message.name;
// Check if we have any listeners for this event
if (eventListeners[eventName]) {
// Keep a list of listener indexes to destroy
const newEventListenerList = eventListeners[eventName].slice();
// Iterate listeners
for (let count = 0; count < eventListeners[eventName].length; count += 1) {
// Get next listener
const listener = eventListeners[eventName][count];
var data = message.data;
// Do the callback
const destroy = listener.Callback(data);
if (destroy) {
// if the listener indicated to destroy itself, add it to the destroy list
newEventListenerList.splice(count, 1);
}
}
// Update callbacks with new list of listners
eventListeners[eventName] = newEventListenerList;
}
notifyListeners(message);
}
/**
@@ -141,6 +147,11 @@ export function Emit(eventName) {
name: eventName,
data: [].slice.apply(arguments).slice(1),
};
// Notify JS listeners
notifyListeners(payload);
// Notify Go listeners
SendMessage('Ej' + JSON.stringify(payload));
}