65 lines
1.3 KiB
JavaScript
65 lines
1.3 KiB
JavaScript
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const path = require(`path`)
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const { createFilePath } = require(`gatsby-source-filesystem`)
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exports.createPages = async ({ graphql, actions }) => {
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const { createPage } = actions
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const blogPost = path.resolve(`./src/templates/blog-post.js`)
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const result = await graphql(
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`
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{
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allMdx(
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sort: { fields: [frontmatter___date], order: DESC }
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limit: 1000
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) {
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edges {
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node {
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fields {
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slug
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}
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frontmatter {
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title
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}
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}
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}
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}
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}
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`
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)
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if (result.errors) {
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throw result.errors
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}
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// Create blog posts pages.
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const posts = result.data.allMdx.edges
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posts.forEach((post, index) => {
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const previous = index === posts.length - 1 ? null : posts[index + 1].node
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const next = index === 0 ? null : posts[index - 1].node
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createPage({
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path: post.node.fields.slug,
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component: blogPost,
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context: {
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slug: post.node.fields.slug,
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previous,
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next,
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},
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})
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})
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}
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exports.onCreateNode = ({ node, actions, getNode }) => {
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const { createNodeField } = actions
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if (node.internal.type === `Mdx`) {
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const value = createFilePath({ node, getNode })
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createNodeField({
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name: `slug`,
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node,
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value,
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})
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}
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}
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