Created
December 23, 2015 13:22
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| import { | |
| GraphQLInt, | |
| GraphQLObjectType, | |
| GraphQLString | |
| } from 'graphql'; | |
| import { | |
| fromGlobalId, | |
| toGlobalId, | |
| globalIdField | |
| } from 'graphql-relay'; | |
| import { registerType } from './registry'; | |
| import { nodeInterface } from './node.js'; | |
| import { | |
| getParent, | |
| getChild, | |
| getAllParents, | |
| getAllChilds | |
| } from '../database.js'; | |
| import {parentType} from './parentType'; | |
| export const ChildType = registerType(new GraphQLObjectType({ | |
| name: 'Child', | |
| fields: () => ({ | |
| id: globalIdField('Child'), | |
| name: { | |
| type: GraphQLString | |
| }, | |
| type: { | |
| type: GraphQLString | |
| }, | |
| parent: { | |
| type: parentType, | |
| resolve: (root) => { | |
| return getParent(root.id); | |
| } | |
| } | |
| }), | |
| interfaces: [nodeInterface] | |
| })); |
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| var childs = [ | |
| { id: 0, name: 'Child 0' }, | |
| { id: 1, name: 'Child 1' }, | |
| { id: 2, name: 'Child 2' }, | |
| { id: 3, name: 'Child 3' }, | |
| { id: 4, name: 'Child 4' } | |
| ]; | |
| var parents = [ | |
| { id: 0, name: 'Parent 0' }, | |
| { id: 1, name: 'Parent 1' }, | |
| { id: 2, name: 'Parent 2' }, | |
| { id: 3, name: 'Parent 3' }, | |
| { id: 4, name: 'Parent 4' } | |
| ]; | |
| export function getParent(id) { | |
| return parents[id]; | |
| } | |
| export function getChild(id) { | |
| return childs[id]; | |
| } | |
| export function getAllParents() { | |
| return parents; | |
| } | |
| export function getAllChilds() { | |
| return childs; | |
| } |
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| import { | |
| fromGlobalId, | |
| toGlobalId, | |
| nodeDefinitions | |
| } from 'graphql-relay'; | |
| import { | |
| getParent, | |
| getChild, | |
| getAllParents, | |
| getAllChilds | |
| } from '../database.js'; | |
| import { idFetcher, typeResolver } from './registry.js'; | |
| export const { nodeInterface, nodeField } = nodeDefinitions( | |
| idFetcher, typeResolver ); |
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| import { | |
| GraphQLInt, | |
| GraphQLObjectType, | |
| GraphQLString | |
| } from 'graphql'; | |
| import { | |
| fromGlobalId, | |
| toGlobalId, | |
| globalIdField | |
| } from 'graphql-relay'; | |
| import { registerType } from './registry'; | |
| import { nodeInterface } from './node.js'; | |
| import { | |
| getParent, | |
| getChild, | |
| getAllParents, | |
| getAllChilds | |
| } from '../database.js'; | |
| import {childType} from './childType'; | |
| export const parentType = registerType(new GraphQLObjectType({ | |
| name: 'Parent', | |
| fields: () => ({ | |
| id: globalIdField('Parent'), | |
| name: { | |
| type: GraphQLString | |
| }, | |
| type: { | |
| type: GraphQLString | |
| }, | |
| child: { | |
| type: childType, | |
| resolve: (root) => { | |
| return getChild(root.id); | |
| } | |
| } | |
| }), | |
| interfaces: [nodeInterface] | |
| })); |
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| import decamelize from 'decamelize'; | |
| import { fromGlobalId } from 'graphql-relay'; | |
| import pluralize from 'pluralize'; | |
| import { | |
| getParent, | |
| getChild, | |
| getAllParents, | |
| getAllChilds | |
| } from '../database.js'; | |
| const types = {}; | |
| const endpoints = {}; | |
| const getItemOverrides = {}; | |
| export function getEndpoint(type) { | |
| return endpoints[type]; | |
| } | |
| function getDefaultEndpoint(type) { | |
| const endpoint = pluralize(decamelize(type.name)); | |
| return id => id ? `${endpoint}/${id}` : endpoint; | |
| } | |
| export function registerType(type, endpoint, getItemOverride) { | |
| types[type.name] = type; | |
| endpoints[type] = endpoint || getDefaultEndpoint(type); | |
| getItemOverrides[type] = getItemOverride; | |
| // Allow e.g. `export default registerType(MyType);`. | |
| return type; | |
| } | |
| export async function idFetcher(globalId, info) { | |
| const { type, id } = fromGlobalId(globalId); | |
| const getItemOverride = getItemOverrides[type]; | |
| let item; | |
| if (getItemOverride) { | |
| item = await getItemOverride(id, info); | |
| } else { | |
| if (type === 'Parent') { | |
| console.log(type); | |
| item = await getParent(id); | |
| } else if (type === 'Child') { | |
| console.log(type); | |
| item = await getChild(id); | |
| } else { | |
| console.warn('Warning: type not handled', type); | |
| item = null; | |
| } | |
| } | |
| await console.log({ type, ...item }); | |
| return { type, ...item }; | |
| } | |
| export function typeResolver(obj) { | |
| return types[obj.type]; | |
| } |
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| import { | |
| GraphQLBoolean, | |
| GraphQLFloat, | |
| GraphQLID, | |
| GraphQLInt, | |
| GraphQLList, | |
| GraphQLNonNull, | |
| GraphQLObjectType, | |
| GraphQLSchema, | |
| GraphQLString | |
| } from 'graphql'; | |
| import { | |
| connectionArgs, | |
| connectionDefinitions, | |
| connectionFromArray, | |
| connectionFromPromisedArray, | |
| fromGlobalId, | |
| toGlobalId, | |
| globalIdField, | |
| mutationWithClientMutationId, | |
| cursorForObjectInConnection, | |
| nodeDefinitions | |
| } from 'graphql-relay'; | |
| import { | |
| getParent, | |
| getChild, | |
| getAllParents, | |
| getAllChilds | |
| } from './database.js'; | |
| import { nodeField } from './types/node.js'; | |
| import {childType} from './types/childType.js'; | |
| var queryType = new GraphQLObjectType({ | |
| name: 'Query', | |
| fields: () => ({ | |
| node: nodeField, | |
| child: { | |
| type: childType, | |
| args: { | |
| id: GraphQLInt | |
| }, | |
| resolve: (_, args) => { | |
| return getChild(args.id); | |
| } | |
| } | |
| }) | |
| }); | |
| var Schema = new GraphQLSchema({ | |
| query: queryType | |
| }); | |
| module.exports = Schema; |
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