How to use

parts

function

in

Array

async fetchOneFullMail(to, uid) {
    if (!this.connection) {
      // Here we 'fail fast' instead of waiting for the connection.
      throw new Error('imap connection not ready')
    }

    debug(`fetching full message ${uid}`)

    // For security we also filter TO, so it is harder to just enumerate all messages.
    const searchCriteria = [['UID', uid], ['TO', to]]
    const fetchOptions = {
      bodies: ['HEADER', ''], // Empty string means full body
      markSeen: false
    }

    const messages = await this.connection.search(searchCriteria, fetchOptions)
    if (messages.length === 0) {
      throw new Error('email not found')
    }

    const fullBody = _.find(messages[0].parts, {which: ''})
    return simpleParser(fullBody.body)
  }