old-v2-frontend/src/templates/blog.js

import React, { Component } from 'react'
import Link from 'gatsby-link'

import Card from '../components/Card'

class Blog extends Component {
  render() {
    const data = this.props.data
    return (
      <div className="flex">
        {data.allWordpressPost.edges.map(({ node }) => (
          <Card
            key={node.id}
            url={`blog/${node.slug}`}
            title={node.title}
            date={node.date}
            excerpt={node.excerpt}
            image={
              node.featured_media
                ? node.featured_media.localFile.childImageSharp.resolutions
                : undefined
            }
          />
        ))}
      </div>
    )
  }
}

export const query = graphql`
  query blogQuery {
    allWordpressPost {
      edges {
        node {
          id
          title
          excerpt
          status
          slug
          date(formatString: "MMMM DD, YYYY")
          featured_media {
            localFile {
              childImageSharp {
                resolutions(width: 600, height: 300) {
                  src
                  width
                  height
                }
              }
            }
          }
        }
      }
    }
  }
`

export default Blog