gatsby-node.js

/**
 * Implement Gatsby's Node APIs in this file.
 *
 * See: https://www.gatsbyjs.org/docs/node-apis/
 */

// You can delete this file if you're not using it

// gatsby-node.js
const path = require('path')

exports.createPages = ({ graphql, actions }) => {
  const { createPage } = actions

  return graphql(`
    {
      allMarkdownRemark(
        sort: { order: DESC, fields: [frontmatter___date] }
        limit: 1000
      ) {
        edges {
          node {
            id
            frontmatter {
              path
              date
              title
              category
              event
              thumbnail
              overview
            }
          }
        }
      }
    }
  `).then(result => {
    if (result.errors) return Promise.reject(result.errors)

    result.data.allMarkdownRemark.edges.forEach(({ node }) => {
      createPage({
        path: node.frontmatter.path,
        component: path.resolve(`src/templates/blog-template.js`),
        context: {
          path: node.frontmatter.path
        }
      })
    })
  })
}

exports.onCreateWebpackConfig = ({ stage, loaders, actions }) => {
  if (stage === "build-html") {
    actions.setWebpackConfig({
      module: {
        rules: [
          {
            test: /react-force-graph-2d/,
            use: loaders.null(),
          },
        ],
      },
    })
  }
}