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import-lazy ![Build Status](https://travis-ci.org/sindresorhus/import-lazy.svg?branch=master)
Import a module lazily
Note: Version 3 is exclusively Proxy
-based and requires Node.js 6+. Use version 2 if you need Node.js <=5 support.
Install
$ npm install import-lazy
Usage
// Pass in `require` or a custom import function
const importLazy = require('import-lazy')(require);
const _ = importLazy('lodash');
// Instead of referring to its exported properties directly…
_.isNumber(2);
// …it's cached on consecutive calls
_.isNumber('unicorn');
// It also works using destructuring assignment in ES2015
const {isNumber, isString} = importLazy('lodash');
// Works out of the box for functions and regular properties
const stuff = importLazy('./math-lib');
console.log(stuff.sum(1, 2)); // => 3
console.log(stuff.PHI); // => 1.618033
Related
- resolve-from - Resolve the path of a module from a given path
- import-from - Import a module from a given path
- resolve-pkg - Resolve the path of a package regardless of it having an entry point
- lazy-value - Create a lazily evaluated value
- define-lazy-prop - Define a lazily evaluated property on an object
License
MIT © Sindre Sorhus