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| 5 |
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| 6 | 'use strict'
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| 7 |
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| 8 | const execcli = require('execcli')
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| 9 | const co = require('co')
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| 10 | const mkdirp = require('mkdirp')
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| 11 | const path = require('path')
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| 12 |
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| 13 |
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| 14 | function takeCapture (url, filename, options = {}) {
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| 15 | let { selector, width, height } = options
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| 16 | let size = [ width || 480, height || 240 ].join('x')
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| 17 | let script = require.resolve('../phantom_scripts/capture_elm.phantom.js')
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| 18 | return co(function * () {
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| 19 | yield new Promise((resolve, reject) =>
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| 20 | mkdirp(path.dirname(filename), (err) => err ? reject(err) : resolve())
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| 21 | )
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| 22 | yield execcli.npmBin('phantomjs', [ script, url, filename, selector, size ], {
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| 23 | notfound: 'Try `npm install -g phantomjs`'
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| 24 | })
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| 25 | })
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| 26 | }
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| 27 |
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| 28 | module.exports = takeCapture
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