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/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS205: Consider reworking code to avoid use of IIFEs
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
// Collection class for creating (and internally managing) channel subscriptions. The only method intended to be triggered by the user
// us ActionCable.Subscriptions#create, and it should be called through the consumer like so:
//
// @App = {}
// App.cable = ActionCable.createConsumer "ws://example.com/accounts/1"
// App.appearance = App.cable.subscriptions.create "AppearanceChannel"
//
// For more details on how you'd configure an actual channel subscription, see ActionCable.Subscription.
ActionCable.Subscriptions = class Subscriptions {
constructor(consumer) {
this.consumer = consumer
this.subscriptions = []
}
create(channelName, mixin) {
const channel = channelName
const params = typeof channel === "object" ? channel : {channel}
const subscription = new ActionCable.Subscription(this.consumer, params, mixin)
return this.add(subscription)
}
// Private
add(subscription) {
this.subscriptions.push(subscription)
this.consumer.ensureActiveConnection()
this.notify(subscription, "initialized")
this.sendCommand(subscription, "subscribe")
return subscription
}
remove(subscription) {
this.forget(subscription)
if (!this.findAll(subscription.identifier).length) {
this.sendCommand(subscription, "unsubscribe")
}
return subscription
}
reject(identifier) {
return (() => {
const result = []
for (let subscription of Array.from(this.findAll(identifier))) {
this.forget(subscription)
this.notify(subscription, "rejected")
result.push(subscription)
}
return result
})()
}
forget(subscription) {
this.subscriptions = (Array.from(this.subscriptions).filter((s) => s !== subscription))
return subscription
}
findAll(identifier) {
return Array.from(this.subscriptions).filter((s) => s.identifier === identifier)
}
reload() {
return Array.from(this.subscriptions).map((subscription) =>
this.sendCommand(subscription, "subscribe"))
}
notifyAll(callbackName, ...args) {
return Array.from(this.subscriptions).map((subscription) =>
this.notify(subscription, callbackName, ...Array.from(args)))
}
notify(subscription, callbackName, ...args) {
let subscriptions
if (typeof subscription === "string") {
subscriptions = this.findAll(subscription)
} else {
subscriptions = [subscription]
}
return (() => {
const result = []
for (subscription of Array.from(subscriptions)) {
result.push((typeof subscription[callbackName] === "function" ? subscription[callbackName](...Array.from(args || [])) : undefined))
}
return result
})()
}
sendCommand(subscription, command) {
const {identifier} = subscription
return this.consumer.send({command, identifier})
}
}
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