【发布时间】:2020-04-24 12:15:03
【问题描述】:
我正在尝试使用 Apollo Server 的 Upload 标量将文件直接发送到 S3。我的架构:
const { gql } = require('apollo-server-express')
module.exports = gql`
extend type Mutation {
createPicture(
name: String!
picture: Upload!
): Picture!
}
type Picture {
name: String!
picture: String!
}
`
解析器:
const { combineResolvers } = require('graphql-resolvers')
const isAuthenticated = require('./auth')
const { uploadPhoto } = require('../services/picture')
module.exports = {
Mutation: {
createPicture: combineResolvers(
isAuthenticated,
async (
parent,
{ name, picture = null },
{ models, me }
) => {
const { createReadStream, filename, mimetype, encoding } = await picture
// Does not get past this line
const stream = createReadStream()
uploadPhoto(stream, filename)
const pictureModel = models.Picture.create({
name,
picture
})
return pictureModel
}
)
}
}
但是我的代码错误是这样的:
internal/util.js:55
function deprecated(...args) {
^
RangeError: Maximum call stack size exceeded
at ReadStream.deprecated [as open] (internal/util.js:55:22)
at ReadStream.open ([truncated]/node_modules/fs-capacitor/lib/index.js:90:11)
at _openReadFs (internal/fs/streams.js:123:12)
at ReadStream.<anonymous> (internal/fs/streams.js:116:3)
at ReadStream.deprecated [as open] (internal/util.js:70:15)
at ReadStream.open ([truncated]/node_modules/fs-capacitor/lib/index.js:90:11)
at _openReadFs (internal/fs/streams.js:123:12)
at ReadStream.<anonymous> (internal/fs/streams.js:116:3)
at ReadStream.deprecated [as open] (internal/util.js:70:15)
at ReadStream.open ([truncated]/node_modules/fs-capacitor/lib/index.js:90:11)
at _openReadFs (internal/fs/streams.js:123:12)
at ReadStream.<anonymous> (internal/fs/streams.js:116:3)
at ReadStream.deprecated [as open] (internal/util.js:70:15)
at ReadStream.open ([truncated]/node_modules/fs-capacitor/lib/index.js:90:11)
at _openReadFs (internal/fs/streams.js:123:12)
at ReadStream.<anonymous> (internal/fs/streams.js:116:3)
at ReadStream.deprecated [as open] (internal/util.js:70:15)
at ReadStream.open ([truncated]/node_modules/fs-capacitor/lib/index.js:90:11)
at _openReadFs (internal/fs/streams.js:123:12)
at ReadStream.<anonymous> (internal/fs/streams.js:116:3)
at ReadStream.deprecated [as open] (internal/util.js:70:15)
at ReadStream.open ([truncated]/node_modules/fs-capacitor/lib/index.js:90:11)
注意:我确定图片发送正确,因为filename 是正确的
【问题讨论】:
-
createReadStream()来自哪里?这是什么? -
@jfriend00 从这里:github.com/jaydenseric/graphql-upload#type-fileupload
标签: node.js graphql apollo-server express-graphql