Function hrwShard

hrwShard(key: string, shards: string[]): string
Selects a shard for key using rendezvous hashing.

Each candidate is scored with a hash of the shard name combined with the key, and the highest score wins, with the shard name breaking exact ties. Adding or removing a shard only moves the keys whose winner changed, and the result is independent of the order shards is given in.
Parameters
- key: string
  Primary key to place
- shards: string[]
  Candidate shard bindings (at least one)
Returns string
The winning shard binding
Throws
If shards is empty

Since
1.4.0
Example
```
hrwShard('user-123', ['db-east', 'db-west']); // => 'db-east'
```
- Defined in src/placement.ts:161