fetch Shopify Customer Timeline for capture the email changes

fetch_customers_timeline_from_shopify_admin.js

/**
 * Fetch customer's email change records and render a csv file, you must copy and pates the code at Shopify Admin console
 *
 * You need to update some variables
 * change "url" to your store url
 * change "data" to your customer ids
 * change "token" to your token
 */
class httpClient {
    constructor() {
        // You need to capture your token
        self.token = 'TOKEN'
        self.headers = {
            'accept': 'application/json',
            'content-type': 'application/json',
            'x-csrf-token': self.token
        }
        // You need to update your store url
        self.url = 'https://your-store.myshopify.com/admin/internal/web/graphql/core?operation=Timeline'
        self.query = `query Timeline($id: ID!, $first: Int, $last: Int, $after: String, $before: String) {
  staffMember {
    id
    initials
    __typename
  }
  node(id: $id) {
    id
    ... on HasEvents {
      events(
        first: $first
        last: $last
        after: $after
        before: $before
        sortKey: CREATED_AT
        reverse: true
      ) {
        edges {
          cursor
          node {
            ...TimelineEvent
            __typename
          }
          __typename
        }
        pageInfo {
          hasNextPage
          hasPreviousPage
          __typename
        }
        __typename
      }
      __typename
    }
    __typename
  }
}

fragment TimelineEvent on Event {
  id
  createdAt
  criticalAlert
  merchantVisible
  message
  ... on BasicEvent {
    id
    attributeToApp
    attributeToUser
    additionalContent
    secondaryMessage
    appIcon {
      id
      altText
      imgSrc: url(transform: {maxWidth: 50, maxHeight: 50})
      __typename
    }
    __typename
  }
  ... on NotificationSentEvent {
    id
    createdAt
    merchantVisible
    message
    method
    resendable
    subject
    appIcon {
      id
      altText
      imgSrc: url(transform: {maxWidth: 50, maxHeight: 50})
      __typename
    }
    __typename
  }
  __typename
}
`
        self.csvContent = 'data:text/csv;charset=utf-8,'
        self.csvContent += '"ID","From","To","Time"\n'
    }

    run () {
        // You need to find the customer id here
        const data = [123456789, 123456788, 123456787]
        let promises = []
        data.forEach((cid, i) => {
            promises.push(this.query(cid, i))
        })
        Promise.all(promises).then((results) => {
            results.forEach(result => {
                let emails, cid
                cid = result?.data.node.id.split('/').pop()
                result = result?.data.node.events.edges
                if (result !== null) {
                    result = result.filter(edge => edge.node.message.includes('eWeb Integration changed this customer\'s email from'))
                    if (result.length > 0) {
                        result.forEach(edge => {
                            emails = edge.node.message.substring(0, edge.node.message.length - 1).split('from')[1].split(' to ')
                            emails.map(email => `"${email.trim()}"` )
                            self.csvContent += `"${cid}",` + emails.join(',') + `,"${edge.node.createdAt}"\n`
                        })
                    }
                }
            })
            this.download()
        })
    }

    query (cid, i) {
        return new Promise((resolve) => {
            setTimeout(async () => {
                const variables = {
                    id: `gid://shopify/Customer/${cid}`,
                    first: 15,
                }
                let result = await fetch(self.url, {
                    method: 'POST',
                    headers: self.headers,
                    body: JSON.stringify({query: self.query, variables, operationName: 'Timeline'})
                }).then(res => res.json())
                resolve(result)
            }, i * 100)
        })
    }

    download() {
        const encodedUri = encodeURI(self.csvContent);
        const link = document.createElement("a");
        link.setAttribute("href", encodedUri);
        link.setAttribute("download", "customer_email.csv");
        document.body.appendChild(link); // Required for FF
        link.click(); // This will download the data file named "my
    }
}

const http = new httpClient()
http.run()