gatsby-plugin-netlify-identity/gatsby-ssr.js

Gatsby plugin which adds a React Netlify Identity Widget Provider for you

import React from 'react'
import { IdentityContextProvider } from 'react-netlify-identity-widget'
export const wrapRootElement = ({ element }, { url }) =>
  React.createElement(
    IdentityContextProvider,
    {
      url: url,
    },
    element,
  )