gatsby port modification

Copygatsby-node.js: copy code to clipboard// Implement the Gatsby API “createPages”. This is called once the// data layer is bootstrapped to let plugins create pages from data.exports.createPages = async ({ graphql, actions, reporter }) => {  const { createPage } = actions  // Query for markdown nodes to use in creating pages.  const result = await graphql(    `      {        allMarkdownRemark(limit: 1000) {          edges {            node {              frontmatter {                path              }            }          }        }      }    `  )  // Handle errors  if (result.errors) {    reporter.panicOnBuild(`Error while running GraphQL query.`)    return  }  // Create pages for each markdown file.  const blogPostTemplate = path.resolve(`src/templates/blog-post.js`)  result.data.allMarkdownRemark.edges.forEach(({ node }) => {    const path = node.frontmatter.path    createPage({      path,      component: blogPostTemplate,      // In your blog post template's graphql query, you can use pagePath      // as a GraphQL variable to query for data from the markdown file.      context: {        pagePath: path,      },    })  })}