51 lines
1.8 KiB
Markdown
51 lines
1.8 KiB
Markdown
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---
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id: 587d7fb4367417b2b2512c00
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title: Expand Your Project with External Packages from npm
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challengeType: 2
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---
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## Description
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<section id='description'>
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One of the biggest reasons to use a package manager is their powerful dependency management. Instead of manually having to make sure that you get all dependencies whenever you set up a project on a new computer, npm automatically installs everything for you. But how can npm know exactly what your project needs? Meet the dependencies-section of your package.json.
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In the dependencies-section, packages your project require are stored using the following format:
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<code>"dependencies": {</code>
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<code> "package-name": "version",</code>
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<code> "express": "4.14.0"</code>
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<code>}</code>
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Instructions
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Add version 2.14.0 of the package moment to the dependencies-field of your package.json
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Moment is a handy library for working with time and dates.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: '"dependencies" should include "moment"'
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testString: 'getUserInput => $.get(getUserInput(''url'') + ''/_api/package.json'').then(data => { var packJson = JSON.parse(data); assert.property(packJson.dependencies, ''moment'', ''"dependencies" does not include "moment"''); }, xhr => { throw new Error(xhr.responseText); })'
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- text: '"moment" version should be "2.14.0"'
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testString: 'getUserInput => $.get(getUserInput(''url'') + ''/_api/package.json'').then(data => { var packJson = JSON.parse(data); assert.match(packJson.dependencies.moment, /^[\^\~]?2\.14\.0/, ''Wrong version of "moment" installed. It should be 2.14.0''); }, xhr => { throw new Error(xhr.responseText); })'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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