How to use the @lumino/signaling.Signal.disconnectReceiver function in @lumino/signaling
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jupyterlab / jupyterlab / testutils / src / index.ts View on Github 
signal.connect((sender: T, args: U) => {
if (!options.find || options.find(sender, args)) {
try {
Signal.disconnectReceiver(object);
if (options.test) {
options.test(sender, args);
}
} catch (e) {
done.reject(e);
}
done.resolve(options.value || undefined);
}
}, object);
return done.promise;defaultSession.kernelChanged.connect((s, args) => {
called = args;
Signal.disconnectReceiver(object);
}, object);
const previous = defaultSession.kernel;
