gatsby-theme-wordpress-mdx/src/helpers/format-pathname.js

<p align="center"> <img width='200px' alt="Gatsby Theme" src="https://raw.githubusercontent.com/artezan/gatsby-theme-wordpress-mdx/master/%40artezan/gatsby-theme-wordpress-mdx/dn.png" />

export const formatPathname = pathname => {
  console.log('pathname', pathname)
  const pathsArr = pathname.split('/')

  if (pathsArr.length >= 3) {
    return `${pathsArr[1].charAt(0).toUpperCase()}${pathsArr[1].slice(1)}`
  }

  return ''
}