A small library that adds commas to numbers. https://www.npmjs.com/package/@jvega300/number-formatter
npm install @jvega300/number-formatter
import numFormmater from '@jvega300/number-formatter'
var formattedNum = numFormatter(35666);
Output should be 35,666
npm test
In lieu of a formal style guide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code. It´s based on tutorial from https://codeburst.io/how-to-create-and-publish-your-first-node-js-module-444e7585b738