getset #

Sets a new value for a key, and returns its previously stored value.

[Redis documentation]

Arguments #

getset(key, value, [options]);

string

*

object

options #

The options arguments can contain the following option properties:

boolean (true)

Resolve #

Resolves to the previously set value, or null if the key didn't exist prior to this operation.

Usage #

try {
  await kuzzle.ms.set('foo', 'bar');
  // Prints: 'bar'
  console.log(await kuzzle.ms.getset('foo', 'qux'));
  // Prints: 'qux'
  console.log(await kuzzle.ms.get('foo'));
} catch (error) {
  console.error(error.message);
}