golombcodedsets.js
This is an NPM package with a refactored version of https://github.com/rasky/gcs
var gcs = require('golombcodedsets');
var builder = new gcs.GCSBuilder(numberOfItems, error_probability);
builder.add('item1');
builder.add('item2');
var arrayBuffer = builder.finalize();
var query = new gcs.GCSQuery(arrayBuffer);
builder.query('item1'); // true
builder.query('item3'); // false
Custom hash functions
The default are the 32 least significant bits of a md5 hash; Using murmurhash (faster) instead:
var murmurhash = require('murmurhash');
var builder = new gcs.GCSBuilder(numberOfItems, error_probability, murmurhash.v3);
var query = new gcs.GCSQuery(arrayBuffer, murmurhash.v3);
Parameter of the hash function should be a string, while the output is an integer.