Read the mail body

[aymenbouhaha]

i want to ask how to get the body of the email , i mean the content of the email

[andris9]

You can download the email with the download method

[TheGP]

It doesnt work

for await (const message of client.fetch('*', { envelope: true, bodyParts: true,
            bodyStructure: true })) { // 1:*

            const { content } = await client.download(message.uid, '1.2');
            console.log('content', content)
}

no output

[andris9]

You can not use IMAP commands while in the async for loop. The await client.download() will have to wait until the previous for await...fetch() has been completed, and you end up with a deadlock.

[jramassamy]

Hey, as a complete noob also I had some issues understanding everything

Here is what I did (in a typescript class)

import { ImapFlow, ListResponse, FetchMessageObject, Logger } from 'imapflow';
import { ParsedMail, simpleParser } from 'mailparser';

  concat_RS = (stream) => new Promise((res, rej) => {
    var buffers = [];
    stream.on("data", function (data) { buffers.push(data); });
    stream.on("end", function () { res(Buffer.concat(buffers)); });
  });

  async fetchMessagesBody(client: ImapFlow, messages: FetchMessageObject[]) {
    // here you already fetched your messages with bodyStructure: true once
    let mailbox = await client.getMailboxLock('INBOX');
    let fullMessages: { uid: number, source: ParsedMail, text: string }[] = [];

    for (let message of messages) {
      for (let bs of messages[0].bodyStructure.childNodes) {
        if (bs.type?.toLowerCase() === 'text/plain') {
          let { meta, content } = await client.download(messages[0].seq.toString(), bs.part);
          const buf = await this.concat_RS(content);
          const contentString = buf.toString();
          const parsedMail: ParsedMail = await simpleParser(content);
          fullMessages.push({ uid: message.uid, source: parsedMail, text: contentString  });
        }
      }
    }
    mailbox.release();
    return fullMessages;
  }