text: 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` })
      createNodeField({
        node,
        name: `slug`,
        value: slug,
      })
    }
  }
  
  exports.createPages = ({ graphql, actions }) => {
      const { createPage } = actions
      return graphql(`
        {
          allMarkdownRemark {
            edges {
              node {
                fields {
                  slug
                }
              }
            }
          }
        }
      `).then(result => {
          result.data.allMarkdownRemark.edges.forEach(({ node }) => {
              createPage({
                  path: node.fields.slug,
                  component: path.resolve(`./src/templates/blog-post.js`),
                  context: {
                      slug: node.fields.slug,
                  },
              })
          })
      })
  }