{"id":20742428,"url":"https://github.com/akornatskyy/graphql-ext-js","last_synced_at":"2025-09-09T18:09:00.319Z","repository":{"id":60809732,"uuid":"544818425","full_name":"akornatskyy/graphql-ext-js","owner":"akornatskyy","description":"GraphQL extensions and toolkit for JS.","archived":false,"fork":false,"pushed_at":"2025-08-04T12:03:38.000Z","size":1392,"stargazers_count":0,"open_issues_count":2,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-08-30T13:49:22.875Z","etag":null,"topics":["api","expressjs","graphql","http","middleware","validation"],"latest_commit_sha":null,"homepage":"https://www.npmjs.com/package/graphql-ext","language":"TypeScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/akornatskyy.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","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,"zenodo":null}},"created_at":"2022-10-03T09:29:04.000Z","updated_at":"2025-08-04T12:03:42.000Z","dependencies_parsed_at":"2024-04-13T10:33:15.182Z","dependency_job_id":"f2e45d46-ce1e-4382-899f-bd737f0b6da9","html_url":"https://github.com/akornatskyy/graphql-ext-js","commit_stats":{"total_commits":62,"total_committers":1,"mean_commits":62.0,"dds":0.0,"last_synced_commit":"feb5c42b8db710f620bfc76081f1fb874a70b55c"},"previous_names":[],"tags_count":13,"template":false,"template_full_name":null,"purl":"pkg:github/akornatskyy/graphql-ext-js","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/akornatskyy%2Fgraphql-ext-js","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/akornatskyy%2Fgraphql-ext-js/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/akornatskyy%2Fgraphql-ext-js/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/akornatskyy%2Fgraphql-ext-js/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/akornatskyy","download_url":"https://codeload.github.com/akornatskyy/graphql-ext-js/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/akornatskyy%2Fgraphql-ext-js/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":274340287,"owners_count":25267293,"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","status":"online","status_checked_at":"2025-09-09T02:00:10.223Z","response_time":80,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"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":["api","expressjs","graphql","http","middleware","validation"],"created_at":"2024-11-17T07:05:41.327Z","updated_at":"2025-09-09T18:09:00.293Z","avatar_url":"https://github.com/akornatskyy.png","language":"TypeScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# graphql-ext-js\n\n[![tests](https://github.com/akornatskyy/graphql-ext-js/actions/workflows/tests.yml/badge.svg)](https://github.com/akornatskyy/graphql-ext-js/actions/workflows/tests.yml)\n[![npm version](https://badge.fury.io/js/graphql-ext.svg)](https://www.npmjs.com/package/graphql-ext)\n\nGraphQL extensions and toolkit for JS.\n\n## Install\n\n```sh\nnpm i graphql-ext\n```\n\n## Examples\n\nSee [examples](./examples).\n\n### express\n\n```js\nconst express = require('express');\nconst {specifiedRules: rules} = require('graphql');\nconst {graphql} = require('graphql-ext/http');\nconst {schema, rootValue} = require('./schema');\n\nfunction main() {\n  const app = express();\n  app.use(express.json());\n  app.post(\n    '/graphql',\n    graphql({\n      schema,\n      rootValue,\n      rules,\n      parseParams: async (req) =\u003e req.body,\n      context: (req) =\u003e req.headers['x-user'],\n    }),\n  );\n  app.listen(4000, () =\u003e\n    console.info('Running a GraphQL API at http://localhost:4000/graphql'),\n  );\n}\n\nmain();\n```\n\n### validation\n\n```graphql\ndirective @length(\n  min: Int\n  max: Int\n  message: String\n) on ARGUMENT_DEFINITION | INPUT_FIELD_DEFINITION\n\ntype Query {\n  hello(name: String! @length(min: 2, max: 10)): String!\n}\n```\n\n```js\nconst {specifiedRules} = require('graphql');\nconst {inputValidationDirectiveRule} = require('graphql-ext/validation');\nconst {length} = require('graphql-ext/validation/rules');\n\napp.post(\n  '/graphql',\n  graphql({\n    // ...\n    rules: [\n      ...specifiedRules,\n      inputValidationDirectiveRule({\n        entries: [['length', length]],\n      }),\n    ],\n  }),\n);\n```\n\n### relay\n\n```graphql\ndirective @range(\n  min: Int\n  max: Int\n  message: String\n) on ARGUMENT_DEFINITION | INPUT_FIELD_DEFINITION\n\ntype Query {\n  numbers(\n    first: Int @range(min: 1, max: 15)\n    after: String\n    last: Int @range(min: 1, max: 15)\n    before: String\n  ): NumberConnection!\n}\n\ntype NumberConnection {\n  edges: [NumberEdge!]!\n  pageInfo: PageInfo!\n  totalCount: Int!\n}\n\ntype NumberEdge {\n  cursor: String!\n  node: Int!\n}\n\ntype PageInfo {\n  endCursor: String!\n  hasNextPage: Boolean!\n  hasPreviousPage: Boolean!\n  startCursor: String!\n}\n```\n\n```js\nconst {CursorConnection} = require('graphql-ext/relay');\nconst {addResolvers} = require('graphql-ext/misc');\n\n// ...\nconst items = Array.from({length: 20}).map((_, i) =\u003e i);\nconst cc = new CursorConnection('numbers:');\nconst resolvers = {\n  Query: {\n    numbers: (parent, args) =\u003e cc.fromArray(items, args),\n  },\n};\naddResolvers(schema, resolvers);\n```\n\noffset paging:\n\n```js\nconst service = {\n  countNumbers: async () =\u003e items.length,\n  listNumbers: async ({offset, limit}) =\u003e items.slice(offset, offset + limit),\n};\n\nconst resolvers = {\n  Query: {\n    numbers: async (parent, args) =\u003e {\n      const totalCount = await service.countNumbers();\n      const [offset, limit] = cc.toOffsetPaging(args, totalCount);\n      const items = await service.listNumbers({offset, limit});\n      return cc.fromSlice(items, offset, totalCount);\n    },\n  },\n};\n```\n\n## subscription\n\nSubscription returns [ndjson](https://github.com/ndjson/ndjson-spec) stream.\n\n```graphql\ntype Subscription {\n  countdown(initial: Int! = 2): Int\n}\n```\n\n```js\nconst resolvers = {\n  Subscription: {\n    countdown: {\n      async *subscribe(_, {initial}) {\n        for (let i = initial; i \u003e= 0; i--) {\n          await new Promise((resolve) =\u003e setTimeout(resolve, 500));\n          yield i;\n        }\n      },\n      resolve(value) {\n        return value;\n      },\n    },\n  },\n};\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fakornatskyy%2Fgraphql-ext-js","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fakornatskyy%2Fgraphql-ext-js","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fakornatskyy%2Fgraphql-ext-js/lists"}