Socket.io: ๋ฆฌ์Šค๋„ˆ๋ฅผ ์ œ๊ฑฐํ•˜์ง€ ์•Š๋Š” removeListener

์— ๋งŒ๋“  2014๋…„ 03์›” 08์ผ  ยท  4์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: socketio/socket.io

socket.io์šฉ ๋ž˜ํผ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

on: function (eventName, callback) {
            console.log('socket on hit');
            socket.on(eventName, function () {
                var args = arguments;
                $rootScope.$apply(function () {
                    callback.apply(socket, args);
                });

            });

            //removes duplicate listener
//            console.log('about to remove a listener') ;
            socket.removeListener(eventName, callback);
        }

์ด๋กœ ์ธํ•ด ์‹œ๊ฐ„์ด ์ง€๋‚จ์— ๋”ฐ๋ผ ์ค‘๋ณต ๋ฆฌ์Šค๋„ˆ๊ฐ€ ๋‚จ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

์šฐ๋ฆฌ๋Š” 2๋…„์ด ์ง€๋‚œ ํ›„์—๋„ ์—ฌ์ „ํžˆ ๊ฐ™์€ ๋ฌธ์ œ์— ์ง๋ฉดํ•ด ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹จ์ผ ๋ฆฌ์Šค๋„ˆ๋ฅผ ์ œ๊ฑฐํ•˜๋Š” ๊ฒƒ์€ ๊ธฐ๋ณธ์ ์ด์–ด์•ผ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.

๋ชจ๋“  4 ๋Œ“๊ธ€

์ด๊ฒƒ์€ ์—ฌ์ „ํžˆ โ€‹โ€‹๋ฌธ์ œ์ž…๋‹ˆ๋‹ค. removeListener๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ์ด๋ฒคํŠธ๊ฐ€ ์ œ๊ฑฐ๋˜์ง€ ์•Š์ง€๋งŒ removeAllListeners๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.

+1 removeAllListeners๋งŒ ์ œ๋Œ€๋กœ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.

์šฐ๋ฆฌ๋Š” 2๋…„์ด ์ง€๋‚œ ํ›„์—๋„ ์—ฌ์ „ํžˆ ๊ฐ™์€ ๋ฌธ์ œ์— ์ง๋ฉดํ•ด ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹จ์ผ ๋ฆฌ์Šค๋„ˆ๋ฅผ ์ œ๊ฑฐํ•˜๋Š” ๊ฒƒ์€ ๊ธฐ๋ณธ์ ์ด์–ด์•ผ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.

์•„์ง ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ด ์—†๋‚˜์š”?

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