3cad287233
Either due to lower parsing costs or better type inference, this seems to perform better than direct object inlining. (All along, the main win was skipping a loop through props, not avoiding a function call.)
babel-helpers
Collection of helper functions used by Babel transforms.
Install
$ npm install babel-helpers
Usage
import * as helpers from 'babel-helpers';
import * as t from 'babel-types';
const typeofHelper = helpers.get('typeof');
t.isExpressionStatement(typeofHelper);
// true