lpush #
Prepends the specified values to a list.
If the key does not exist, it is created holding an empty list before performing the operation.
Arguments #
lpush(key, values, [options]);
Arguments | Type | Description |
---|---|---|
key | string | List key |
values | string[] | Values 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 length of the list.
Usage #
try {
await kuzzle.ms.rpush('listfoo', ['foobar']);
// Prints: 3
console.log(await kuzzle.ms.lpush('listfoo', ['World', 'Hello']));
// Prints: [ 'Hello', 'World', 'foobar' ]
console.log(await kuzzle.ms.lrange('listfoo', 0, -1));
} catch (error) {
console.error(error.message);
}
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