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@ldsg/graphql-resolver

v0.3.24

Published

GraphQL Resolver 资源模块,用于向 GraphQL schema 添加单个 resolver。

Readme

@ldsg/graphql-resolver

GraphQL Resolver 资源模块,用于向 GraphQL schema 添加单个 resolver。

功能

  • 支持向 Query/Mutation 添加 resolver
  • 支持向 Object 类型添加关系(relation)
  • 支持使用 jsonata 表达式配置 prepareArgs
  • 支持 projection 配置

使用示例

添加 Query/Mutation resolver

// Query.userFindById
{
  typeName: 'Query',
  fieldName: 'userFindById',
  objectTypeName: 'User',
  resolverName: 'findById'
}

// Mutation.userCreateOne
{
  typeName: 'Mutation',
  fieldName: 'userCreateOne',
  objectTypeName: 'User',
  resolverName: 'createOne'
}

添加 Relation

// User.friends
{
  typeName: 'User',
  fieldName: 'friends',
  objectTypeName: 'User',
  resolverName: 'dataLoaderMany',
  prepareArgs: '{ _ids: friendsIds }',
  projection: { friendsIds: 1 }
}

// User.adultFriendsWithSameGender
{
  typeName: 'User',
  fieldName: 'adultFriendsWithSameGender',
  objectTypeName: 'User',
  resolverName: 'findMany',
  prepareArgs: '{ filter: { _id: { $in: friendsIds }, age: { $gt: 21 }, gender: gender }, limit: 10 }',
  projection: { friendsIds: 1, gender: 1 }
}

Form resolver

// Mutation.submitUserForm
{
  typeName: 'Mutation',
  fieldName: 'submitUserForm',
  objectTypeName: 'UserForm',
  resolverName: 'submit'
}

配置项

| 字段 | 类型 | 描述 | |-------|------|------| | typeName | string | 添加到的类型名称:'Query'、'Mutation' 或 Object 类型名称 | | fieldName | string | 字段名称 | | description? | string | 字段描述(可选) | | objectTypeName | string | resolver 所属的对象类型名称 | | resolverName | string | resolver 方法名称 | | prepareArgs? | string | jsonata 表达式,用于 prepareArgs(可选) | | projection? | object | projection 配置(可选) |

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