-
Notifications
You must be signed in to change notification settings - Fork 0
/
gatsby-node.js
88 lines (78 loc) 路 2.24 KB
/
gatsby-node.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
const each = require('lodash/each')
const Promise = require('bluebird')
const path = require('path')
const Remarkable = require('remarkable').Remarkable
const prism = require('prismjs')
const loadLanguages = require('prismjs/components/');
const md = new Remarkable({
langPrefix: 'language-',
highlight: (str, lang) => {
lang = lang.toLowerCase()
if (lang && !prism.languages[lang]) {
try {
loadLanguages([lang])
}
catch (err) { }
}
if (lang && prism.languages[lang]) {
try {
return prism.highlight(str, prism.languages[lang], lang)
} catch (err) {}
}
return '' // use external default escaping
}
})
exports.onCreateNode = ({ node, actions }) => {
const { createNodeField } = actions
if (node.internal.type === 'CosmicjsPosts') {
const html = md.render(node.metadata.content_markdown)
createNodeField({node, name: 'content_markdown', value: html.replace('<pre>', '<pre class="language-">')})
}
}
exports.createPages = ({ graphql, actions }) => {
const { createPage } = actions
const indexPage = path.resolve('./src/pages/index.js')
createPage({
path: `posts`,
component: indexPage,
})
return new Promise((resolve, reject) => {
const blogPost = path.resolve('./src/templates/blog-post.js')
resolve(
graphql(
`
{
allCosmicjsPosts(sort: { fields: [created], order: DESC }, limit: 1000) {
edges {
node {
slug,
title
}
}
}
}
`
).then(result => {
if (result.errors) {
console.log(result.errors)
reject(result.errors)
}
// Create blog posts pages.
const posts = result.data.allCosmicjsPosts.edges;
each(posts, (post, index) => {
const next = index === posts.length - 1 ? null : posts[index + 1].node;
const previous = index === 0 ? null : posts[index - 1].node;
createPage({
path: `posts/${post.node.slug}`,
component: blogPost,
context: {
slug: post.node.slug,
previous,
next,
},
})
})
})
)
})
}