Emit an event to clear history on all open clients

client/js/helpers/contextMenu.js

@@ -147,12 +147,6 @@ export function generateChannelContextMenu($root, channel, network) {
 							return;
 						}
 
-						channel.messages = [];
-						channel.unread = 0;
-						channel.highlight = 0;
-						channel.firstUnread = 0;
-						channel.moreHistoryAvailable = false;
-
 						socket.emit("history:clear", {
 							target: channel.id,
 						});

client/js/socket-events/history_clear.js

@@ -0,0 +1,14 @@
+"use strict";
+
+import socket from "../socket";
+import store from "../store";
+
+socket.on("history:clear", function(data) {
+	const {channel} = store.getters.findChannel(data.target);
+
+	channel.messages = [];
+	channel.unread = 0;
+	channel.highlight = 0;
+	channel.firstUnread = 0;
+	channel.moreHistoryAvailable = false;
+});

client/js/socket-events/index.js

@@ -23,3 +23,4 @@ import "./sessions_list";
 import "./configuration";
 import "./changelog";
 import "./setting";
+import "./history_clear";

src/client.js

@@ -514,6 +514,10 @@ Client.prototype.clearHistory = function(data) {
 	target.chan.highlight = 0;
 	target.chan.firstUnread = 0;
 
+	client.emit("history:clear", {
+		target: target.chan.id,
+	});
+
 	if (!target.chan.isLoggable()) {
 		return;
 	}