From 414d93ebabcdd4c694e6739e19a72bc541e4c7f3 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Tue, 5 Nov 2024 13:54:49 +0100
Subject: [PATCH] client: reconnect immediately if network comes online during
 backoff

---
 lib/client.js | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/lib/client.js b/lib/client.js
index 90c25ba..9092ed8 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -201,13 +201,10 @@ export default class Client extends EventTarget {
 			this.monitored = new irc.CaseMapMap(null, irc.CaseMapping.RFC1459);
 
 			if (this.autoReconnect) {
+				window.addEventListener("online", this.handleOnline);
+
 				if (!navigator.onLine) {
 					console.info("Waiting for network to go back online");
-					const handleOnline = () => {
-						window.removeEventListener("online", handleOnline);
-						this.reconnect();
-					};
-					window.addEventListener("online", handleOnline);
 				} else {
 					let delay = this.reconnectBackoff.next();
 					console.info("Reconnecting to server in " + (delay / 1000) + " seconds");
@@ -226,6 +223,8 @@ export default class Client extends EventTarget {
 		clearTimeout(this.reconnectTimeoutID);
 		this.reconnectTimeoutID = null;
 
+		window.removeEventListener("online", this.handleOnline);
+
 		this.setPingInterval(0);
 
 		if (this.ws) {
@@ -245,6 +244,13 @@ export default class Client extends EventTarget {
 		this.dispatchEvent(new CustomEvent("error", { detail: err }));
 	}
 
+	handleOnline() {
+		window.removeEventListener("online", this.handleOnline);
+		if (this.autoReconnect && this.status === Client.Status.DISCONNECTED) {
+			this.reconnect();
+		}
+	}
+
 	handleOpen() {
 		console.log("Connection opened");
 		this.setStatus(Client.Status.REGISTERING);