gatsby-loop-example.js

const path = require(`path`)

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

  const createNode = (entities, createPage, template) =>
    entities.forEach(node => {
      if (node) {
        createPage({
          path: node.path.alias,
          component: template,
          context: {
            slug: node.nid.toString(),
          },
        })
      }
    })

  const blogTemplate = path.resolve(`src/templates/BlogTemplate/index.js`
  let index = 0
  const { data: countData } = await graphql(`
    query {
      drupal {
        blogs: nodeQuery(
          filter: {
            conditions: [
              { field: "type", operator: EQUAL, value: "blog" }
              { field: "status", operator: EQUAL, value: "1" }
            ]
          }
        ) {
          count
        }
      }
    }
  `)
  const count = countData.drupal.blogs.count
  while (index <= count) {
    console.log(count, index)
    const { data } = await graphql(`
      query {
        drupal {
          blogs: nodeQuery(
            limit: 200
            offset: ${index}
            filter: {
              conditions: [
                { field: "type", operator: EQUAL, value: "blog" }
                { field: "status", operator: EQUAL, value: "1" }
              ]
            }
            sort: { field: "created", direction: DESC }
          ) {
            count
            entities {
              ... on Drupal_NodeBlog {
                nid
                status
                fieldRedirects
                path {
                  alias
                }
              }
            }
          }
        }
      }
    `)
    console.log(
      `${data.drupal.blogs.entities.length} out of ${
        data.drupal.blogs.count
      } blogs created`
    )
    createNode(data.drupal.blogs.entities, createPage, blogTemplate)
    index += 200
  }
}