{"id":13671719,"url":"https://github.com/zadzbw/koa2-cors","last_synced_at":"2025-04-05T06:07:14.901Z","repository":{"id":46021291,"uuid":"77585407","full_name":"zadzbw/koa2-cors","owner":"zadzbw","description":"CORS middleware for koa2","archived":false,"fork":false,"pushed_at":"2018-07-17T08:56:33.000Z","size":57,"stargazers_count":238,"open_issues_count":0,"forks_count":13,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-03-29T05:06:51.442Z","etag":null,"topics":["cors","koa2-cors","koajs"],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"other","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/zadzbw.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}},"created_at":"2016-12-29T05:30:17.000Z","updated_at":"2024-11-27T17:01:26.000Z","dependencies_parsed_at":"2022-07-18T18:42:19.936Z","dependency_job_id":null,"html_url":"https://github.com/zadzbw/koa2-cors","commit_stats":null,"previous_names":[],"tags_count":3,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/zadzbw%2Fkoa2-cors","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/zadzbw%2Fkoa2-cors/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/zadzbw%2Fkoa2-cors/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/zadzbw%2Fkoa2-cors/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/zadzbw","download_url":"https://codeload.github.com/zadzbw/koa2-cors/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247294536,"owners_count":20915340,"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":["cors","koa2-cors","koajs"],"created_at":"2024-08-02T09:01:17.074Z","updated_at":"2025-04-05T06:07:14.880Z","avatar_url":"https://github.com/zadzbw.png","language":"JavaScript","funding_links":[],"categories":["JavaScript"],"sub_categories":[],"readme":"# koa2-cors\n\n[![NPM version][npm-image]][npm-url]\n[![Node version][node-version-image]][npm-url]\n[![Build Status][travis-image]][travis-url]\n[![Code coverage][codecov-image]][codecov-url]\n[![NPM download][npm-download-image]][npm-url]\n[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)\n\n## install\n\n\u003e it requires node v7.6.0 or higher now\n\n```bash\nnpm install --save koa2-cors\n```\n\n## Usage\n\n```js\nvar Koa = require('koa');\nvar cors = require('koa2-cors');\n\nvar app = new Koa();\napp.use(cors());\n```\n\n## Options\n\n### origin\n\nConfigures the **Access-Control-Allow-Origin** CORS header. expects a string. Can also be set to a function, which takes the `ctx` as the first parameter.\n\n### exposeHeaders\n\nConfigures the **Access-Control-Expose-Headers** CORS header. Expects a comma-delimited array.\n\n### maxAge\n\nConfigures the **Access-Control-Max-Age** CORS header. Expects a\nNumber.\n\n### credentials\n\nConfigures the **Access-Control-Allow-Credentials** CORS header. Expects a Boolean.\n\n### allowMethods\n\nConfigures the **Access-Control-Allow-Methods** CORS header. Expects a comma-delimited array , If not specified, default allowMethods is `['GET', 'PUT', 'POST', 'PATCH', 'DELETE', 'HEAD', 'OPTIONS']`.\n\n### allowHeaders\nConfigures the **Access-Control-Allow-Headers** CORS header. Expects a comma-delimited array . If not specified, defaults to reflecting the headers specified in the request's **Access-Control-Request-Headers** header.\n\n```js\nvar Koa = require('koa');\nvar cors = require('koa2-cors');\n\nvar app = new Koa();\napp.use(cors({\n  origin: function(ctx) {\n    if (ctx.url === '/test') {\n      return false;\n    }\n    return '*';\n  },\n  exposeHeaders: ['WWW-Authenticate', 'Server-Authorization'],\n  maxAge: 5,\n  credentials: true,\n  allowMethods: ['GET', 'POST', 'DELETE'],\n  allowHeaders: ['Content-Type', 'Authorization', 'Accept'],\n}));\n...\n```\n\n[More details about CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS).\n\n## License\n\n[MIT License](http://www.opensource.org/licenses/mit-license.php)\n\n[npm-image]: https://img.shields.io/npm/v/koa2-cors.svg\n[npm-download-image]: https://img.shields.io/npm/dm/koa2-cors.svg\n[node-version-image]: https://img.shields.io/node/v/koa2-cors.svg\n[npm-url]: https://www.npmjs.com/package/koa2-cors\n\n[travis-image]: https://api.travis-ci.org/zadzbw/koa2-cors.svg?branch=master\n[travis-url]: https://travis-ci.org/zadzbw/koa2-cors\n\n[codecov-image]: https://codecov.io/gh/zadzbw/koa2-cors/branch/master/graph/badge.svg\n[codecov-url]: https://codecov.io/gh/zadzbw/koa2-cors\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fzadzbw%2Fkoa2-cors","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fzadzbw%2Fkoa2-cors","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fzadzbw%2Fkoa2-cors/lists"}