69 lines
1.6 KiB
JavaScript
69 lines
1.6 KiB
JavaScript
import React from 'react'
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import { Link } from 'react-router'
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import { prefixLink } from 'gatsby-helpers'
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import { prune, include as includes } from 'underscore.string'
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import find from 'lodash/find'
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import { rhythm, scale } from 'utils/typography'
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class ReadNext extends React.Component {
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render () {
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const { pages, post } = this.props
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const { readNext } = post
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let nextPost
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if (readNext) {
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nextPost = find(pages, (page) =>
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includes(page.path, readNext)
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)
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}
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if (!nextPost) {
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return React.createElement('noscript', null)
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} else {
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nextPost = find(pages, (page) =>
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includes(page.path, readNext.slice(1, -1))
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)
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// Create pruned version of the body.
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const html = nextPost.data.body
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const body = prune(html.replace(/<[^>]*>/g, ''), 200)
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return (
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<div>
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<h6
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style={{
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...scale(-0.5),
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margin: 0,
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letterSpacing: -0.25,
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}}
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>
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READ THIS NEXT:
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</h6>
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<h3
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style={{
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marginTop: 0,
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marginBottom: rhythm(1/4),
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}}
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>
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<Link
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to={{
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pathname: prefixLink(nextPost.path),
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query: {
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readNext: true,
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},
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}}
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>
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{nextPost.data.title}
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</Link>
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</h3>
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<p>{body}</p>
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<hr />
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</div>
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)
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}
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}
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}
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ReadNext.propTypes = {
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post: React.PropTypes.object.isRequired,
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pages: React.PropTypes.array,
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}
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export default ReadNext
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