const path = require(`path`) const { createFilePath } = require(`gatsby-source-filesystem`) exports.onCreateNode = ({ node, getNode, actions }) => { const { createNodeField } = actions if (node.internal.type === `MarkdownRemark`) { const slug = createFilePath({ node, getNode, basePath: `pages` }) const parent = getNode(node.parent) createNodeField({ node, name: `slug`, value: slug, }) createNodeField({ node, name: 'collection', value: parent.sourceInstanceName, }) } } exports.createPages = async ({ graphql, actions, reporter }) => { const { createPage } = actions // Posts query const posts = await graphql( ` { allMarkdownRemark(filter:{frontmatter: {draft: {ne: true}}, fields: {collection: {eq: "posts"}}}) { edges { node { fields { slug } } } } } ` ) // Handle errors if (posts.errors) { reporter.panicOnBuild(`Error while running GraphQL query.`) return } // Create pages for each markdown file. const blogPostTemplate = path.resolve(`src/templates/blog-post.js`) posts.data.allMarkdownRemark.edges.forEach(({ node }) => { createPage({ path: `/posts${node.fields.slug}`, component: blogPostTemplate, context: { slug: node.fields.slug, }, }) }) const pages = await graphql( ` { allMarkdownRemark(filter: {fields: {collection: {eq: "pages"}}}) { edges { node { fields { slug } } } } } ` ) // Handle errors if (pages.errors) { reporter.panicOnBuild(`Error while running GraphQL query.`) return } // Create pages for each markdown file. const pageTemplate = path.resolve(`src/templates/page.js`) pages.data.allMarkdownRemark.edges.forEach(({ node }) => { createPage({ path: node.fields.slug, component: pageTemplate, context: { slug: node.fields.slug, }, }) }) }