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import-lazy
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import-lazy - npm Package Compare versions
Comparing version 2.1.0 to 3.0.0
32
index.js
@@ -8,34 +8,2 @@ 'use strict'; | ||
| return function () { | ||
| if (arguments.length === 0) { | ||
| mod = lazy(mod, fn, id); | ||
| return mod; | ||
| } | ||
| const ret = {}; | ||
| [].forEach.call(arguments, prop => { | ||
| Object.defineProperty(ret, prop, { | ||
| get: () => { | ||
| mod = lazy(mod, fn, id); | ||
| if (typeof mod[prop] === 'function') { | ||
| return function () { | ||
| return mod[prop].apply(mod, arguments); | ||
| }; | ||
| } | ||
| return mod[prop]; | ||
| } | ||
| }); | ||
| }); | ||
| return ret; | ||
| }; | ||
| }; | ||
| }; | ||
| module.exports.proxy = fn => { | ||
| return id => { | ||
| let mod; | ||
| const handler = { | ||
@@ -42,0 +10,0 @@ get: (target, property) => { |
| { | ||
| "name": "import-lazy", | ||
| "version": "2.1.0", | ||
| "description": "Import modules lazily", | ||
| "version": "3.0.0", | ||
| "description": "Import a module lazily", | ||
| "license": "MIT", | ||
@@ -19,3 +19,3 @@ "repository": "sindresorhus/import-lazy", | ||
| "engines": { | ||
| "node": ">=4" | ||
| "node": ">=6" | ||
| }, | ||
@@ -22,0 +22,0 @@ "scripts": { |
| # import-lazy [](https://travis-ci.org/sindresorhus/import-lazy) | ||
| > Import modules lazily | ||
| > Import a module lazily | ||
| Note: Version 3 is exclusively `Proxy`-based and requires Node.js 6+. Use [version 2](https://github.com/sindresorhus/import-lazy/tree/ed6c2fac31aaf8a7d91a27295756383487f3965d) if you need Node.js <=5 support. | ||
| ## Install | ||
| ``` | ||
| $ npm install --save import-lazy | ||
| $ npm install import-lazy | ||
| ``` | ||
@@ -20,19 +22,13 @@ | ||
| // Where you would normally do | ||
| // Instead of referring to its exported properties directly… | ||
| _.isNumber(2); | ||
| // You now instead call it as a function | ||
| _().isNumber(2); | ||
| // …it's cached on consecutive calls | ||
| _.isNumber('unicorn'); | ||
| // It's cached on consecutive calls | ||
| _().isString('unicorn'); | ||
| // It also works using destructuring assignment in ES2015 | ||
| const {isNumber, isString} = importLazy('lodash'); | ||
| // Extract lazy variations of the props you need | ||
| const members = importLazy('lodash')('isNumber', 'isString'); | ||
| // Useful when using destructuring assignment in ES2015 | ||
| const {isNumber, isString} = importLazy('lodash')('isNumber', 'isString'); | ||
| // Works out of the box for functions and regular properties | ||
| const stuff = importLazy('./math-lib')('sum', 'PHI'); | ||
| const stuff = importLazy('./math-lib'); | ||
| console.log(stuff.sum(1, 2)); // => 3 | ||
@@ -42,14 +38,3 @@ console.log(stuff.PHI); // => 1.618033 | ||
| ### Proxy support in Node.js 6 or later | ||
| If you use Node.js 6 or later, you can take advantage of ES2015 proxies and don't need to call it as a function. | ||
| ```js | ||
| const importLazy = require('import-lazy').proxy(require); | ||
| const _ = importLazy('lodash'); | ||
| // No need to call it as a function but still lazily imported | ||
| _.isNumber(2); | ||
| ``` | ||
| ## Related | ||
@@ -56,0 +41,0 @@ |
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Worsened metrics
- Total package byte prevSize
- decreased by-17.62%
3926
- Lines of code
- decreased by-59.09%
18
- Number of lines in readme file
- decreased by-23.08%
50
No dependency changes