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Require modules lazily
$ npm install --save lazy-req
// pass in `require` or a custom require function
var lazyReq = require('lazy-req')(require);
var _ = lazyReq('lodash');
// where you would normally do
_.isNumber(2);
// you now instead call it as a function
_().isNumber(2);
// it's cached on consecutive calls
_().isString('unicorn');
// extract lazy variations of the props you need
var members = lazyReq('lodash')('isNumber', 'isString');
// useful when using destructuring assignment in ES2015
const { isNumber, isString } = lazyReq('lodash')('isNumber', 'isString');
// works out of the box for functions and regular properties
var stuff = lazyReq('./math-lib')('sum', 'PHI');
console.log(stuff.sum(1, 2)); // => 3
console.log(stuff.PHI); // => 1.618033
MIT © Sindre Sorhus