4

我想解析一封电子邮件并找到了 mailparser 包。(使用“npm install mailparser”安装它)。我正在使用 Windows 7。我正在尝试运行简单示例,但未调用“结束”事件,并且我没有看到任何日志。这就是我运行的:

const MailParser = require("mailparser").MailParser;
const mailparser = new MailParser({debug: true});

let email = "From: 'Sender Name' <sender@example.com>\r\n"+
    "To: 'Receiver Name' <receiver@example.com>\r\n"+
    "Subject: Hello world!\r\n"+
    "\r\n"+
    "How are you today?";

// setup an event listener when the parsing finishes
mailparser.on("end", function(mail_object){
    console.log("From:", mail_object.from); //[{address:'sender@example.com',name:'Sender Name'}]
    console.log("Subject:", mail_object.subject); // Hello world!
    console.log("Text body:", mail_object.text); // How are you today?
});

// send the email source to the parser
mailparser.write(email);
mailparser.end();

我究竟做错了什么?谢谢

4

2 回答 2

5

根据精美手册,只有两个事件:headersdata

也许使用 thesimpleParser而不是较低级别(事件驱动)是最简单的MailParser

const simpleParser = require('mailparser').simpleParser;
...
simpleParser(email).then(function(mail_object) {
  console.log("From:", mail_object.from.value);
  console.log("Subject:", mail_object.subject);
  console.log("Text body:", mail_object.text);
}).catch(function(err) {
  console.log('An error occurred:', err.message);
});
于 2017-07-07T08:40:40.587 回答
0

看起来 OP 在询问mazira/mailparser-mit,它是更流行的nodemailer/mailparser的一个分支。

此后,主线mailparser已切换回 MIT 许可证,并且mailparser-mit截至撰写本文时,分叉已两年没有更新。

下面是一个从包中开始使用较低级别MailParser类的示例mailparser

const {MailParser} = require('mailparser') // v3.0.1
const {createReadStream} = require('fs')

const parseEmail = async (readableStream) =>
  new Promise((resolve, reject) =>
    readableStream
      .pipe(new MailParser())
      .on('headers', (headers) => console.log('headers', headers))
      .on('data', (data) => console.log('data', data))
      .on('error', reject)
      .on('end', resolve),
  )

parseEmail(createReadStream('emails/test1.eml'))
于 2021-01-20T19:40:47.933 回答