/
gatsby-node.js
108 lines (97 loc) · 2.63 KB
/
gatsby-node.js
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const path = require(`path`)
const { createFilePath } = require(`gatsby-source-filesystem`)
exports.createPages = ({ graphql, actions }) => {
const { createPage } = actions
const blogPost = path.resolve(`./src/templates/blog-post.js`)
const collectionPost = path.resolve("./src/templates/collection.js")
return graphql(
`
{
blogs: allMarkdownRemark(
filter: { fileAbsolutePath: { glob: "**/content/blog/**/*.md" } }
sort: { fields: [frontmatter___date], order: DESC }
limit: 1000
) {
edges {
node {
fields {
slug
}
frontmatter {
title
published
}
}
}
}
collections: allMarkdownRemark(
filter: { fileAbsolutePath: { glob: "**/content/collections/*.md" } }
sort: { fields: [frontmatter___date], order: DESC }
limit: 1000
) {
edges {
node {
fields {
slug
}
frontmatter {
title
published
}
}
}
}
}
`
).then(result => {
if (result.errors) {
throw result.errors
}
// Create blog posts pages.
const posts = result.data.blogs.edges
posts.forEach((post, index) => {
const previous = index === posts.length - 1 ? null : posts[index + 1].node
const next = index === 0 ? null : posts[index - 1].node
createPage({
path: post.node.fields.slug,
component: blogPost,
context: {
slug: post.node.fields.slug,
relativePath: `content/blog${post.node.fields.slug}`,
repositoryName: process.env.REPOSITORY_NAME,
repositoryOwner: process.env.REPOSITORY_OWNER,
previous,
next,
},
})
})
const collections = result.data.collections.edges
collections.forEach((collection, index) => {
createPage({
path: collection.node.fields.slug,
component: collectionPost,
context: {
slug: collection.node.fields.slug,
},
})
})
return null
})
}
exports.onCreateNode = ({ node, actions, getNode }) => {
const { createNodeField } = actions
if (node.internal.type === `MarkdownRemark`) {
const value = createFilePath({ node, getNode })
createNodeField({
name: `slug`,
node,
value,
})
const fileNode = getNode(node.parent)
createNodeField({
node,
name: 'sourceName',
value: fileNode.sourceInstanceName,
})
}
}