Only trigger reloading if an event in html/css/js file is detected

lua/livepreview/server/init.lua

@@ -102,17 +102,24 @@ end
 
 --- Watch a directory for changes and trigger an event
 function Server:watch_dir()
-	local callback = vim.schedule_wrap(function()
-		api.nvim_exec_autocmds("User", {
-			pattern = "LivePreviewDirChanged",
-		})
-	end)
-	local function on_change(err, filename, event)
+	local callback = vim.schedule_wrap(
+	---@param filename string
+	---@param events {change: boolean, rename: boolean}
+		function(filename, events)
+			api.nvim_exec_autocmds("User", {
+				pattern = "LivePreviewDirChanged",
+				data = {
+					filename = filename,
+					events = events,
+				},
+			})
+		end)
+	local function on_change(err, filename, events)
 		if err then
 			print("Watch error: " .. err)
 			return
 		end
-		callback()
+		callback(filename, events)
 	end
 	local function watch(path, recursive)
 		local handle = uv.new_fs_event()
@@ -129,7 +136,7 @@ function Server:watch_dir()
 	else
 		local watcherObj = fswatch.Watcher:new(self.webroot)
 		watcherObj:start(function(filename, events)
-			callback()
+			callback(filename, events)
 		end)
 		self._watcher = watcherObj
 	end
@@ -152,7 +159,10 @@ function Server:start(ip, port, opts)
 				api.nvim_create_autocmd("User", {
 					group = "LivePreview",
 					pattern = k,
-					callback = function()
+					callback = function(param)
+						if not param.data.filename:match('%.(html|css|js)$') then
+							return
+						end
 						for _, client in ipairs(M.connecting_clients) do
 							v(client)
 						end