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# parseurl [![NPM Version][npm-version-image]][npm-url] [![NPM Downloads][npm-downloads-image]][npm-url] [![Node.js Version][node-image]][node-url] [![Build Status][travis-image]][travis-url] [![Test Coverage][coveralls-image]][coveralls-url] Parse a URL with memoization. ## Install This is a [Node.js](https://nodejs.org/en/) module available through the [npm registry](https://www.npmjs.com/). Installation is done using the [`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally): ```sh $ npm install parseurl ``` ## API ```js var parseurl = require('parseurl') ``` ### parseurl(req) Parse the URL of the given request object (looks at the `req.url` property) and return the result. The result is the same as `url.parse` in Node.js core. Calling this function multiple times on the same `req` where `req.url` does not change will return a cached parsed object, rather than parsing again. ### parseurl.original(req) Parse the original URL of the given request object and return the result. This works by trying to parse `req.originalUrl` if it is a string, otherwise parses `req.url`. The result is the same as `url.parse` in Node.js core. Calling this function multiple times on the same `req` where `req.originalUrl` does not change will return a cached parsed object, rather than parsing again. ## Benchmark ```bash $ npm run-script bench > parseurl@1.3.3 bench nodejs-parseurl > node benchmark/index.js http_parser@2.8.0 node@10.6.0 v8@6.7.288.46-node.13 uv@1.21.0 zlib@1.2.11 ares@1.14.0 modules@64 nghttp2@1.32.0 napi@3 openssl@1.1.0h icu@61.1 unicode@10.0 cldr@33.0 tz@2018c > node benchmark/fullurl.js Parsing URL "http://localhost:8888/foo/bar?user=tj&pet=fluffy" 4 tests completed. fasturl x 2,207,842 ops/sec ±3.76% (184 runs sampled) nativeurl - legacy x 507,180 ops/sec ±0.82% (191 runs sampled) nativeurl - whatwg x 290,044 ops/sec ±1.96% (189 runs sampled) parseurl x 488,907 ops/sec ±2.13% (192 runs sampled) > node benchmark/pathquery.js Parsing URL "/foo/bar?user=tj&pet=fluffy" 4 tests completed. fasturl x 3,812,564 ops/sec ±3.15% (188 runs sampled) nativeurl - legacy x 2,651,631 ops/sec ±1.68% (189 runs sampled) nativeurl - whatwg x 161,837 ops/sec ±2.26% (189 runs sampled) parseurl x 4,166,338 ops/sec ±2.23% (184 runs sampled) > node benchmark/samerequest.js Parsing URL "/foo/bar?user=tj&pet=fluffy" on same request object 4 tests completed. fasturl x 3,821,651 ops/sec ±2.42% (185 runs sampled) nativeurl - legacy x 2,651,162 ops/sec ±1.90% (187 runs sampled) nativeurl - whatwg x 175,166 ops/sec ±1.44% (188 runs sampled) parseurl x 14,912,606 ops/sec ±3.59% (183 runs sampled) > node benchmark/simplepath.js Parsing URL "/foo/bar" 4 tests completed. fasturl x 12,421,765 ops/sec ±2.04% (191 runs sampled) nativeurl - legacy x 7,546,036 ops/sec ±1.41% (188 runs sampled) nativeurl - whatwg x 198,843 ops/sec ±1.83% (189 runs sampled) parseurl x 24,244,006 ops/sec ±0.51% (194 runs sampled) > node benchmark/slash.js Parsing URL "/" 4 tests completed. fasturl x 17,159,456 ops/sec ±3.25% (188 runs sampled) nativeurl - legacy x 11,635,097 ops/sec ±3.79% (184 runs sampled) nativeurl - whatwg x 240,693 ops/sec ±0.83% (189 runs sampled) parseurl x 42,279,067 ops/sec ±0.55% (190 runs sampled) ``` ## License [MIT](LICENSE) [coveralls-image]: https://badgen.net/coveralls/c/github/pillarjs/parseurl/master [coveralls-url]: https://coveralls.io/r/pillarjs/parseurl?branch=master [node-image]: https://badgen.net/npm/node/parseurl [node-url]: https://nodejs.org/en/download [npm-downloads-image]: https://badgen.net/npm/dm/parseurl [npm-url]: https://npmjs.org/package/parseurl [npm-version-image]: https://badgen.net/npm/v/parseurl [travis-image]: https://badgen.net/travis/pillarjs/parseurl/master [travis-url]: https://travis-ci.org/pillarjs/parseurl