$ npm install string.prototype.padend
An ES2017 spec-compliant String.prototype.padEnd shim. Invoke its "shim" method to shim String.prototype.padEnd if it is unavailable.
This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the spec.
Most common usage:
var padEnd = require('string.prototype.padend');
assert(padEnd('foo', 5, 'bar') === 'fooba');
padEnd.shim();
assert(padEnd('foo', 2) === 'foo'.padEnd(2));
Simply clone the repo, npm install, and run npm test