Package Exports
- resolve-once-cb
- resolve-once-cb/package.json
Readme
resolve-once-cb
Resolves a promise only once and memoizes the result.
Usage
const { callbackify } = require('util');
const resolveOnce = require('resolve-once-cb');
const { MongoClient } = require('mongodb');
const connection = resolveOnce((cb) => callbackify(MongoClient.connect)('mongodb://localhost:27017/database', cb) );
connection((err, db1) => { })
connection((err, db2) => { })
// db1 === db2