formdata-encode    

将 FormData 编码为 multipart/form-data ，返回一个Blob对象。

usage

``js
import formDataEncode from 'formdata-encode'

const fd = new FormData()
fd.append('text', 'string')
fd.append('blob', new Blob(['abc']))

const blob = formDataEncode(fd)

blob.arrayBuffer().then((buffer) => {
// 发送multipart/form-data请求
fetch('http://localhost:3333/post', {
method: 'POST',
headers: {
'content-type': blob.type,
},
body: buffer,
})
})
``