Utilities

A few utilities are exposed to help you in your daily development.

CouchbaseCas

The class CouchbaseCas can be used to convert a CAS representation to another or to compare two CAS.

CouchbaseCas.from

Create a new instance from the given value.

const cas = CouchbaseCas.from(0);

CouchbaseCas.toString

Returns a string representation of the CAS.
You can use this function to send a CAS a part of a JSON object for example.

const { content, cas } = await collection.insert(
  'book::001', 
  { title: 'Couchbase SDK for Node.js & TypeScript' }
);
return CouchbaseCas.toString(cas);

CouchbaseCas.isZeroCas

Returns true if the CAS representation can be translated to 0.

if (CouchbaseCas.isZeroCas(cas)) {
    // some logic
}

CouchbaseCas.isEqual

Returns true if two CAS represent the same value.

if (CouchbaseCas.isEqual(stringCas, bufferCas)) {
    // some logic
}