ltrim #

Trims an existing list so that it will contain only the specified range of elements specified.

[Redis documentation]

Arguments #

ltrim(key, start, stop, [options]);

string

integer

integer

object

The start and stop arguments can be negative. In that case, the offset is calculated from the end of the list, going backward. For instance, -3 is the third element from the end of the list.

options #

The options arguments can contain the following option properties:

boolean (true)

Resolve #

Resolves once the operation is finished.

Usage #

try {
  await kuzzle.ms.rpush('listfoo', ['a', 'b', 'c', 'd', 'e', 'f']);
  await kuzzle.ms.ltrim('listfoo', 3, -2);
  // Prints [ 'd', 'e' ]
  console.log(await kuzzle.ms.lrange('listfoo', 0, -1));
} catch (error) {
  console.error(error.message);
}