Javascript GraphQL错误字段类型必须为输入类型,但已获取:
以下是突变:Javascript GraphQL错误字段类型必须为输入类型,但已获取:,javascript,graphql,Javascript,Graphql,以下是突变: const createNotebook = mutationWithClientMutationId ({ name: 'CreateNotebook', inputFields: { token: { type: GraphQLString, }, details: { type: NotebookDetails, }, }, out
const createNotebook = mutationWithClientMutationId ({
name: 'CreateNotebook',
inputFields: {
token: {
type: GraphQLString,
},
details: {
type: NotebookDetails,
},
},
outputFields: {
},
async mutateCRNotebook(input, context) {
const data = getJSONFromRelativeURL(input.token);
},
});
以下是突变的详细信息字段中使用的模式:
const NotebookDetails = new GraphQLObjectType({
name: 'NotebookDetails',
interfaces: [nodeInterface],
fields: () => ({
id: globalIdField('NotebookDetails'),
description: {
type: GraphQLString,
description: '...',
resolve(obj) {
return obj.description;
},
},
language: {
type: GraphQLString,
description: '...',
resolve(obj) {
return obj.language;
},
},
}),
});
运行此代码时出现的错误是:
api_1 | Error: CreateNotebookInput.details field type must be Input Type but got: NotebookDetails.
api_1 | at invariant (/usr/src/app/node_modules/graphql/jsutils/invariant.js:19:11)
api_1 | at /usr/src/app/node_modules/graphql/type/definition.js:698:58
api_1 | at Array.forEach (native)
api_1 | at GraphQLInputObjectType._defineFieldMap (/usr/src/app/node_modules/graphql/type/definition.js:693:16)
api_1 | at GraphQLInputObjectType.getFields (/usr/src/app/node_modules/graphql/type/definition.js:682:49)
api_1 | at typeMapReducer (/usr/src/app/node_modules/graphql/type/schema.js:224:26)
api_1 | at typeMapReducer (/usr/src/app/node_modules/graphql/type/schema.js:190:12)
api_1 | at Array.reduce (native)
api_1 | at /usr/src/app/node_modules/graphql/type/schema.js:217:36
api_1 | at Array.forEach (native)
api_1 | at typeMapReducer (/usr/src/app/node_modules/graphql/type/schema.js:210:27)
api_1 | at Array.reduce (native)
api_1 | at new GraphQLSchema (/usr/src/app/node_modules/graphql/type/schema.js:98:34)
api_1 | at Object.<anonymous> (/usr/src/app/src/schema/index.js:39:16)
api_1 | at Module._compile (module.js:569:30)
api_1 | at Object.Module._extensions..js (module.js:580:10)
api_1|错误:CreateNotebookInput.details字段类型必须为输入类型,但Get:NotebookDetails。
api_1| at invariant(/usr/src/app/node_modules/graphql/jsutils/invariant.js:19:11)
api_1| at/usr/src/app/node_modules/graphql/type/definition.js:698:58
api_1| at Array.forEach(本机)
api|1|位于GraphQLInputObjectType._defineFieldMap(/usr/src/app/node|modules/graphql/type/definition.js:693:16)
api_1|位于graphqlinputObject.getFields(/usr/src/app/node_modules/graphql/type/definition.js:682:49)
api_1|位于typeMapReducer(/usr/src/app/node_modules/graphql/type/schema.js:224:26)
api_1|位于typeMapReducer(/usr/src/app/node_modules/graphql/type/schema.js:190:12)
api_1| at Array.reduce(本机)
api_1| at/usr/src/app/node_modules/graphql/type/schema.js:217:36
api_1| at Array.forEach(本机)
api_1|位于typeMapReducer(/usr/src/app/node_modules/graphql/type/schema.js:210:27)
api_1| at Array.reduce(本机)
api_1|位于新的GraphQLSchema(/usr/src/app/node_modules/graphql/type/schema.js:98:34)
api|1|at对象。(/usr/src/app/src/schema/index.js:39:16)
api|1|at Module._compile(Module.js:569:30)
api_1| at Object.Module._extensions..js(Module.js:580:10)
我在查询中使用了这种语法,它们工作正常。但是,他们返回的是带有突变的错误。
我的代码中有什么不正确以及如何更正?在GraphQL中,
输入
不能用作类型
,而类型
不能用作输入
。不幸的是,即使字段看起来与现有类型相同,您也必须定义单独的输入以用作参数。试着这样做:
const NotebookDetailsInput = new GraphQLInputObjectType({
name: 'NotebookDetailsInput',
fields: () => ({
id: { type: GraphQLID },
description: { type: GraphQLString },
language: { type: GraphQLString },
})
});
input {
id: ID
description: String
language: String
}
如果使用SDL,相同的类型将如下所示:
const NotebookDetailsInput = new GraphQLInputObjectType({
name: 'NotebookDetailsInput',
fields: () => ({
id: { type: GraphQLID },
description: { type: GraphQLString },
language: { type: GraphQLString },
})
});
input {
id: ID
description: String
language: String
}
有关为什么需要这样做的详细说明,请参见。对于使用
graphql工具的人和StumbleAccross这篇文章,文档位于graphql的网站上。
我使用graphQL工具的示例如下所示(SocialPostInput
中有一个输入,即ImageInput
)
//变异文件
extend type Mutation {
SchedulePost (
socialPost: SocialPostInput,
schedule: ScheduleInput
): ScheduledPost
}`
//计划和社会成本文件
type Image {
id: String
url: String
}
type SocialPost {
id: String
GCID: String
message: String
image: Image
}
input ImageInput {
url: String
}
input SocialPostInput {
GCID: String
message: String
image: ImageInput
}
type Schedule {
id: String
month: Int
date: Int
hour: Int
minute: Int
}
input ScheduleInput {
id: String
month: Int
date: Int
hour: Int
minute: Int
}`
这花了我太长的时间去理解,但一旦你理解了,这看起来很“明显”!