{"id":16283232,"url":"https://github.com/bang9/graphql-practice","last_synced_at":"2025-04-08T18:24:25.314Z","repository":{"id":106100480,"uuid":"123802258","full_name":"bang9/graphql-practice","owner":"bang9","description":"practice a graphql","archived":false,"fork":false,"pushed_at":"2018-04-07T01:05:28.000Z","size":26,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"master","last_synced_at":"2025-04-01T23:43:17.448Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/bang9.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2018-03-04T15:32:03.000Z","updated_at":"2018-04-07T01:05:30.000Z","dependencies_parsed_at":null,"dependency_job_id":"9411838a-1a10-4f43-84da-41f487975344","html_url":"https://github.com/bang9/graphql-practice","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bang9%2Fgraphql-practice","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bang9%2Fgraphql-practice/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bang9%2Fgraphql-practice/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bang9%2Fgraphql-practice/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/bang9","download_url":"https://codeload.github.com/bang9/graphql-practice/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247899488,"owners_count":21014907,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-10-10T19:12:53.290Z","updated_at":"2025-04-08T18:24:25.254Z","avatar_url":"https://github.com/bang9.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# GraphQL Practice Repository\nReference(https://www.slideshare.net/deview/112rest-graph-ql-relay)\n \n### Tech Stacks\n* GraphQL\n* Express\n* **TO DO**\n    * Relay\n\n### GraphQL Basics\n* Query\n    * GET DATA\n* Mutation\n    * INSERT DATA\n    * DELETE DATA\n\n### GraphQL Type (http://graphql.org/graphql-js/type/)\n* GraphQL Schema\n    * query\n    * mutation\n* GraphQL Scalars\n    * GraphQLInt\n    * GraphQLFloat\n    * GraphQLString\n    * GraphQLBoolean\n    * GraphQLID\n* GraphQL Data Type\n    * [GraphQLObjectType](http://graphql.org/graphql-js/type/#examples)\n        * name : String\n        * fields : {...}\n            * type : GraphQLOutputType\n            * ?resolve : GraphQLResolveFn(source,args,context,info)=\u003e{}\n    * [GraphQLInterfaceType](http://graphql.org/graphql-js/type/#example-2)\n    * [GraphQLUnionType](http://graphql.org/graphql-js/type/#example-3)\n    * [GraphQLEnumType](http://graphql.org/graphql-js/type/#example-4)\n    * [GraphQLInputObjectType](http://graphql.org/graphql-js/type/#example-5)\n    * [GraphQLList](http://graphql.org/graphql-js/type/#example-6)(GraphQL/Custom Data Type)\n    * [GraphQLNonNull](http://graphql.org/graphql-js/type/#example-7)(GraphQL/Custom Data Type)\n\n\u003cbr/\u003e\n\n***\n\n\u003cbr/\u003e\n\n## How to make Query\n\n#### Step1 - make a type\n```\n// construct type(schema) with custom name and fields\nvar userType = new GraphQLObjectType({\n    name:'User',\n    fields:()=\u003e({\n        id:{ type: GraphQLString },\n        name:{ type: GraphQLString },\n        age:{ type: GraphQLInt }\n    })\n});\n```\n\n#### Step2 - make a query\n```\n// resolver function handling DB with data\nvar query = new GraphQLObjectType({\n    name:'Query',\n    fields:{\n        user:{\n            type: userType,\n            args: {\n                id: { type: new GraphQLNonNull(GraphQLString) },\n            },\n            resolve: (root,args)=\u003e{\n                // Find user in DB\n                // and return User\n                \n                var id = args.id;\n                var user = users.find((user)=\u003e{if(user.id === id) return user});\n                if(user == null) throw new Error('no user exists with id ' + id);\n                \n                console.log('GET USER ID : '+JSON.stringify(user));\n                return user;\n            }\n        },\n        allUser:{\n            type: new GraphQLList(userType),\n            resolve: ()=\u003e{\n                return users\n            }\n        }\n    }\n});\n```\n\n#### Step3 - serve\n```\nvar schema = new GraphQLSchema({\n    query: query,\n});\n \nvar app = express();\napp.use('/graphql',graphqlHTTP({\n    schema:schema,\n    pretty:true,\n    graphiql:true,\n}));\napp.listen(4000);\n```\n\n#### Step4 - test query\n```\nquery {\n    user(id:\"1\"){\n        name\n    }\n    allUser{\n        id\n        name\n        age\n    }\n}\n \n \n/* RESPONSE\n{\n  \"data\": {\n    \"user\": {\n      \"name\": \"Kim\"\n    },\n    \"allUser\": [\n      {\n        \"id\": \"0\",\n        \"name\": \"KANG\",\n        \"age\": 24\n      },\n      {\n        \"id\": \"1\",\n        \"name\": \"Kim\",\n        \"age\": 18\n      },\n      {\n        \"id\": \"2\",\n        \"name\": \"Lyu\",\n        \"age\": 27\n      },\n      {\n        \"id\": \"3\",\n        \"name\": \"Lee\",\n        \"age\": 22\n      },\n      ...\n    ]\n  }\n}\n*/\n```\n\n#### GraphiQL\n\u003e **You can test your query here** (http://localhost:4000/graphql)\n\u003e ```\n\u003e var express = require('express');\n\u003e var graphqlHTTP = require('express-graphql');\n\u003e  \n\u003e var app = express();\n\u003e app.use('/graphql',graphqlHTTP({\n\u003e     schema:schema,\n\u003e     pretty:true,\n\u003e     graphiql:true,\n\u003e }));\n\u003e  \n\u003e app.listen(4000);\n\u003e ```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbang9%2Fgraphql-practice","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbang9%2Fgraphql-practice","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbang9%2Fgraphql-practice/lists"}