/
gatsby-node.js
98 lines (88 loc) · 2.12 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
const path = require("path");
const paginate = require("gatsby-paginate");
const createPostPages = (createPage, edges) => {
const blogPostTemplate = path.resolve(`src/templates/blog-post.js`);
edges.forEach(({ node }, index) => {
const prev = index === 0 ? false : edges[index - 1];
const next = index === edges.length - 1 ? false : edges[index + 1];
createPage({
path: node.frontmatter.path,
component: blogPostTemplate,
context: {
prev: prev.node,
next: next.node
}
});
});
};
const createTagPages = (createPage, edges) => {
const tagTemplate = path.resolve(`src/templates/tags.js`);
const posts = {};
edges.forEach(({ node }) => {
if (node.frontmatter.tags) {
node.frontmatter.tags.forEach(tag => {
if (!posts[tag]) {
posts[tag] = [];
}
posts[tag].push(node);
});
}
});
createPage({
path: "/tags",
component: tagTemplate,
context: {
posts
}
});
Object.keys(posts).forEach(tagName => {
const post = posts[tagName];
createPage({
path: `/tags/${tagName}`,
component: tagTemplate,
context: {
posts,
post,
tag: tagName
}
});
});
};
exports.createPages = ({ boundActionCreators, graphql }) => {
const { createPage } = boundActionCreators;
return graphql(`
{
allMarkdownRemark(
sort: { order: DESC, fields: [frontmatter___date] }
limit: 1000
) {
edges {
node {
excerpt(pruneLength: 200)
html
id
frontmatter {
date(formatString: "MMMM DD, YYYY")
path
title
tags
image
}
}
}
}
}
`).then(result => {
if (result.errors) {
return Promise.reject(result.errors);
}
const posts = result.data.allMarkdownRemark.edges;
createTagPages(createPage, posts);
paginate({
edges: posts,
createPage,
pageTemplate: "./src/templates/paginatedPostList.js"
});
createPostPages(createPage, posts);
});
};