{"_id":"on-headers","_rev":"7-2da79ff777f8dd2d8295814681e6b4a9","name":"on-headers","description":"Execute a listener when a response is about to write headers","dist-tags":{"latest":"1.0.1"},"versions":{"0.0.0":{"name":"on-headers","description":"Execute a listener when a response is about to write headers","version":"0.0.0","author":{"name":"Douglas Christopher Wilson","email":"doug@somethingdoug.com"},"license":"MIT","keywords":["event","headers","http","onheaders"],"repository":{"type":"git","url":"https://github.com/expressjs/on-headers.git"},"bugs":{"url":"https://github.com/expressjs/on-headers/issues"},"dependencies":{},"devDependencies":{"mocha":"~1.18.2","supertest":"~0.12.1"},"engines":{"node":">= 0.8.0"},"scripts":{"test":"mocha --reporter spec test/"},"homepage":"https://github.com/expressjs/on-headers","_id":"on-headers@0.0.0","dist":{"shasum":"ee2817f8344325785cd9c2df2b242bbc17caf4c4","tarball":"http://registry.npmjs.org/on-headers/-/on-headers-0.0.0.tgz"},"_from":".","_npmVersion":"1.4.3","_npmUser":{"name":"dougwilson","email":"doug@somethingdoug.com"},"maintainers":[{"name":"dougwilson","email":"doug@somethingdoug.com"}],"directories":{}},"1.0.0":{"name":"on-headers","description":"Execute a listener when a response is about to write headers","version":"1.0.0","author":{"name":"Douglas Christopher Wilson","email":"doug@somethingdoug.com"},"license":"MIT","keywords":["event","headers","http","onheaders"],"repository":{"type":"git","url":"https://github.com/jshttp/on-headers"},"dependencies":{},"devDependencies":{"istanbul":"0.3.0","mocha":"~1.21.4","supertest":"~0.13.0"},"engines":{"node":">= 0.8.0"},"scripts":{"test":"mocha --reporter spec --bail --check-leaks test/","test-cov":"istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/","test-travis":"istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"},"gitHead":"434950a0748cd38bf9a04f3fd4f3ff89cf565fda","bugs":{"url":"https://github.com/jshttp/on-headers/issues"},"homepage":"https://github.com/jshttp/on-headers","_id":"on-headers@1.0.0","_shasum":"2c75b5da4375513d0161c6052e7fcbe4953fca5d","_from":".","_npmVersion":"1.4.21","_npmUser":{"name":"dougwilson","email":"doug@somethingdoug.com"},"maintainers":[{"name":"dougwilson","email":"doug@somethingdoug.com"}],"dist":{"shasum":"2c75b5da4375513d0161c6052e7fcbe4953fca5d","tarball":"http://registry.npmjs.org/on-headers/-/on-headers-1.0.0.tgz"},"directories":{}},"1.0.1":{"name":"on-headers","description":"Execute a listener when a response is about to write headers","version":"1.0.1","author":{"name":"Douglas Christopher Wilson","email":"doug@somethingdoug.com"},"license":"MIT","keywords":["event","headers","http","onheaders"],"repository":{"type":"git","url":"https://github.com/jshttp/on-headers"},"dependencies":{},"devDependencies":{"istanbul":"0.3.21","mocha":"2.3.3","supertest":"1.1.0"},"files":["LICENSE","HISTORY.md","README.md","index.js"],"engines":{"node":">= 0.8"},"scripts":{"test":"mocha --reporter spec --bail --check-leaks test/","test-cov":"istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/","test-travis":"istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"},"gitHead":"ab0156a979d72353cfe666cccb3639e016b00280","bugs":{"url":"https://github.com/jshttp/on-headers/issues"},"homepage":"https://github.com/jshttp/on-headers","_id":"on-headers@1.0.1","_shasum":"928f5d0f470d49342651ea6794b0857c100693f7","_from":".","_npmVersion":"1.4.28","_npmUser":{"name":"dougwilson","email":"doug@somethingdoug.com"},"maintainers":[{"name":"dougwilson","email":"doug@somethingdoug.com"},{"name":"jongleberry","email":"jonathanrichardong@gmail.com"}],"dist":{"shasum":"928f5d0f470d49342651ea6794b0857c100693f7","tarball":"http://registry.npmjs.org/on-headers/-/on-headers-1.0.1.tgz"},"directories":{}}},"readme":"# on-headers\n\n[![NPM Version][npm-image]][npm-url]\n[![NPM Downloads][downloads-image]][downloads-url]\n[![Node.js Version][node-version-image]][node-version-url]\n[![Build Status][travis-image]][travis-url]\n[![Test Coverage][coveralls-image]][coveralls-url]\n\nExecute a listener when a response is about to write headers.\n\n## Installation\n\n```sh\n$ npm install on-headers\n```\n\n## API\n\n```js\nvar onHeaders = require('on-headers')\n```\n\n### onHeaders(res, listener)\n\nThis will add the listener `listener` to fire when headers are emitted for `res`.\nThe listener is passed the `response` object as it's context (`this`). Headers are\nconsidered to be emitted only once, right before they are sent to the client.\n\nWhen this is called multiple times on the same `res`, the `listener`s are fired\nin the reverse order they were added.\n\n## Examples\n\n```js\nvar http = require('http')\nvar onHeaders = require('on-headers')\n\nhttp\n.createServer(onRequest)\n.listen(3000)\n\nfunction addPoweredBy() {\n  // set if not set by end of request\n  if (!this.getHeader('X-Powered-By')) {\n    this.setHeader('X-Powered-By', 'Node.js')\n  }\n}\n\nfunction onRequest(req, res) {\n  onHeaders(res, addPoweredBy)\n\n  res.setHeader('Content-Type', 'text/plain')\n  res.end('hello!')\n}\n```\n\n## Testing\n\n```sh\n$ npm test\n```\n\n## License\n\n[MIT](LICENSE)\n\n[npm-image]: https://img.shields.io/npm/v/on-headers.svg\n[npm-url]: https://npmjs.org/package/on-headers\n[node-version-image]: https://img.shields.io/node/v/on-headers.svg\n[node-version-url]: http://nodejs.org/download/\n[travis-image]: https://img.shields.io/travis/jshttp/on-headers/master.svg\n[travis-url]: https://travis-ci.org/jshttp/on-headers\n[coveralls-image]: https://img.shields.io/coveralls/jshttp/on-headers/master.svg\n[coveralls-url]: https://coveralls.io/r/jshttp/on-headers?branch=master\n[downloads-image]: https://img.shields.io/npm/dm/on-headers.svg\n[downloads-url]: https://npmjs.org/package/on-headers\n","maintainers":[{"name":"dougwilson","email":"doug@somethingdoug.com"},{"name":"jongleberry","email":"jonathanrichardong@gmail.com"}],"time":{"modified":"2015-09-30T03:47:06.558Z","created":"2014-05-14T01:43:08.147Z","0.0.0":"2014-05-14T01:43:08.147Z","1.0.0":"2014-08-10T23:14:54.117Z","1.0.1":"2015-09-30T03:47:06.558Z"},"homepage":"https://github.com/jshttp/on-headers","keywords":["event","headers","http","onheaders"],"repository":{"type":"git","url":"https://github.com/jshttp/on-headers"},"author":{"name":"Douglas Christopher Wilson","email":"doug@somethingdoug.com"},"bugs":{"url":"https://github.com/jshttp/on-headers/issues"},"license":"MIT","readmeFilename":"README.md","users":{"tarunbk":true},"_attachments":{},"_etag":"\"E0VXZ3OG7BH5ARUWHUYL9TVME\""}