eewingset-proto 
Robustly set the Prototype of an object. Uses the best available method.
Getting started
npm install --save set-proto
Usage/Examples
const assert = require('assert');
const setProto = require('set-proto');
const a = { a: 1, b: 2, [Symbol.toStringTag]: 'foo' };
const b = { c: 3 };
assert.ok(!('c' in a));
setProto(a, b);
assert.ok('c' in a);
Tests
Clone the repo, npm install, and run npm test