如何使用node.js从电子邮件附件数组中获取内容（缓冲区）？我之后需要输入：Buffer.from（content，＆＃39; base64＆＃39;）

Question

如何使用node.js从电子邮件附件数组的对象获取内容（缓冲区）？

contentType: "text/plain"
charset: "utf-8"
fileName: "Steps.txt"
contentDisposition: "attachment"
transferEncoding: "base64"
generatedFileName: "Steps.txt"
contentId: "ae014dad249f6f721f2a964c21dc3abf@mailparser"
checksum: "644b83d265aa6ec17093ae0636861481"
length: 1294
content: buffer[1294]