INNER CODE UNIT · JavaScript

handler

cyrus-and/chrome-remote-interface · lib/api.js:41

    const handler = (sessionId, handler) => {
        if (typeof sessionId === 'function') {
            handler = sessionId;
            sessionId = undefined;
        }
        const rawEventName = sessionId ? `${eventName}.${sessionId}` : eventName;
        if (typeof handler === 'function') {
            chrome.on(rawEventName, handler);
            return () => chrome.removeListener(rawEventName, handler);
        } else {
            return new Promise((fulfill, reject) => {
                chrome.once(rawEventName, fulfill);
            });
        }
    };
    decorate(handler, 'event', event);
    chrome[eventName] = chrome[domainName][event.name] = handler;
}

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