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January 10, 2021 22:41
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chapter 5 create the web socket
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| (defn connect! [url receive-handler] | |
| (if-let [chan (js/WebSocket. url)] | |
| (do | |
| (set! (.-onmessage chan) (receive-message! receive-handler)) | |
| (reset! ws-chan chan)) | |
| (throw (js/Error. "WebSocket connection failed!")))) |
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