rpushx #

Appends a value at the end of a list, only if the destination key already exists, and if it holds a list.

Arguments #

rpushx(key, value, [options]);

Arguments	Type	Description
`key`	string	List key
`value`	string	Value to append
`options`	object	Optional query arguments

options #

The options arguments can contain the following option properties:

Property	Type (default)	Description
`queuable`	boolean (true)	If true, queues the request during downtime, until connected to Kuzzle again

Resolve #

Resolves to the updated list length.

Usage #

try {
  // Prints: 0
  // ("listfoo" does not exist: the operation fails)
  console.log(await kuzzle.ms.rpushx('listfoo', 'qux'));
  await kuzzle.ms.rpush('listfoo', ['foo', 'bar', 'baz']);
  // Prints: 4
  console.log(await kuzzle.ms.rpushx('listfoo', 'qux'));
} catch (error) {
  console.error(error.message);
}

Edit this page on Github