-
Notifications
You must be signed in to change notification settings - Fork 0
/
gatsby-node.js
101 lines (91 loc) · 2.38 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
89
90
91
92
93
94
95
96
97
98
99
100
101
const _ = require('lodash')
const path = require('path')
const { createFilePath } = require('gatsby-source-filesystem')
exports.createPages = ({ actions, graphql }) => {
const { createPage } = actions
return graphql(`
{
allMarkdownRemark(limit: 1000) {
edges {
node {
id
fields {
slug
}
frontmatter {
tags
templateKey
}
}
}
}
}
`).then((result) => {
if (result.errors) {
result.errors.forEach((e) => console.error(e.toString()))
return Promise.reject(result.errors)
}
const posts = result.data.allMarkdownRemark.edges
posts.forEach((edge) => {
const id = edge.node.id
createPage({
path: edge.node.fields.slug,
tags: edge.node.frontmatter.tags,
component: path.resolve(
`src/templates/${String(edge.node.frontmatter.templateKey)}.tsx`
),
// additional data can be passed via context
context: {
id,
},
})
})
// Create blog post list pages
const postsPerPage = 10
const numPages = Math.ceil(posts.length / postsPerPage)
Array.from({ length: numPages }).forEach((_, i) => {
createPage({
path: i === 0 ? `/` : `/${i + 1}`,
component: path.resolve('./src/templates/blog-list.tsx'),
context: {
limit: postsPerPage,
skip: i * postsPerPage,
numPages,
currentPage: i + 1,
},
})
})
// Tag pages:
let tags = []
// Iterate through each post, putting all found tags into `tags`
posts.forEach((edge) => {
if (_.get(edge, `node.frontmatter.tags`)) {
tags = tags.concat(edge.node.frontmatter.tags)
}
})
// Eliminate duplicate tags
tags = _.uniq(tags)
// Make tag pages
tags.forEach((tag) => {
const tagPath = `/tags/${_.kebabCase(tag)}/`
createPage({
path: tagPath,
component: path.resolve(`src/templates/tag-page.tsx`),
context: {
tag,
},
})
})
})
}
exports.onCreateNode = ({ node, actions, getNode }) => {
const { createNodeField } = actions;
if (node.internal.type === `MarkdownRemark`) {
const value = createFilePath({ node, getNode })
createNodeField({
name: `slug`,
node,
value,
})
}
}