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125 lines
3.6 KiB
Markdown
125 lines
3.6 KiB
Markdown
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# parseurl
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[![NPM Version][npm-image]][npm-url]
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[![NPM Downloads][downloads-image]][downloads-url]
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[![Node.js Version][node-version-image]][node-version-url]
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[![Build Status][travis-image]][travis-url]
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[![Test Coverage][coveralls-image]][coveralls-url]
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Parse a URL with memoization.
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## Install
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This is a [Node.js](https://nodejs.org/en/) module available through the
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[npm registry](https://www.npmjs.com/). Installation is done using the
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[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
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```sh
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$ npm install parseurl
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```
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## API
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```js
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var parseurl = require('parseurl')
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```
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### parseurl(req)
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Parse the URL of the given request object (looks at the `req.url` property)
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and return the result. The result is the same as `url.parse` in Node.js core.
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Calling this function multiple times on the same `req` where `req.url` does
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not change will return a cached parsed object, rather than parsing again.
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### parseurl.original(req)
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Parse the original URL of the given request object and return the result.
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This works by trying to parse `req.originalUrl` if it is a string, otherwise
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parses `req.url`. The result is the same as `url.parse` in Node.js core.
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Calling this function multiple times on the same `req` where `req.originalUrl`
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does not change will return a cached parsed object, rather than parsing again.
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## Benchmark
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```bash
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$ npm run-script bench
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> parseurl@1.3.2 bench nodejs-parseurl
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> node benchmark/index.js
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http_parser@2.7.0
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node@4.8.4
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v8@4.5.103.47
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uv@1.9.1
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zlib@1.2.11
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ares@1.10.1-DEV
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icu@56.1
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modules@46
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openssl@1.0.2k
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> node benchmark/fullurl.js
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Parsing URL "http://localhost:8888/foo/bar?user=tj&pet=fluffy"
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3 tests completed.
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fasturl x 1,246,766 ops/sec ±0.74% (188 runs sampled)
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nativeurl x 91,536 ops/sec ±0.54% (189 runs sampled)
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parseurl x 90,645 ops/sec ±0.38% (189 runs sampled)
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> node benchmark/pathquery.js
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Parsing URL "/foo/bar?user=tj&pet=fluffy"
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3 tests completed.
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fasturl x 2,077,650 ops/sec ±0.69% (186 runs sampled)
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nativeurl x 638,669 ops/sec ±0.67% (189 runs sampled)
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parseurl x 2,431,842 ops/sec ±0.71% (189 runs sampled)
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> node benchmark/samerequest.js
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Parsing URL "/foo/bar?user=tj&pet=fluffy" on same request object
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3 tests completed.
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fasturl x 2,135,391 ops/sec ±0.69% (188 runs sampled)
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nativeurl x 672,809 ops/sec ±3.83% (186 runs sampled)
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parseurl x 11,604,947 ops/sec ±0.70% (189 runs sampled)
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> node benchmark/simplepath.js
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Parsing URL "/foo/bar"
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3 tests completed.
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fasturl x 4,961,391 ops/sec ±0.97% (186 runs sampled)
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nativeurl x 914,931 ops/sec ±0.83% (186 runs sampled)
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parseurl x 7,559,196 ops/sec ±0.66% (188 runs sampled)
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> node benchmark/slash.js
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Parsing URL "/"
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3 tests completed.
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fasturl x 4,053,379 ops/sec ±0.91% (187 runs sampled)
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nativeurl x 963,999 ops/sec ±0.58% (189 runs sampled)
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parseurl x 11,516,143 ops/sec ±0.58% (188 runs sampled)
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```
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## License
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[MIT](LICENSE)
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[npm-image]: https://img.shields.io/npm/v/parseurl.svg
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[npm-url]: https://npmjs.org/package/parseurl
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[node-version-image]: https://img.shields.io/node/v/parseurl.svg
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[node-version-url]: https://nodejs.org/en/download/
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[travis-image]: https://img.shields.io/travis/pillarjs/parseurl/master.svg
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[travis-url]: https://travis-ci.org/pillarjs/parseurl
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[coveralls-image]: https://img.shields.io/coveralls/pillarjs/parseurl/master.svg
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[coveralls-url]: https://coveralls.io/r/pillarjs/parseurl?branch=master
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[downloads-image]: https://img.shields.io/npm/dm/parseurl.svg
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[downloads-url]: https://npmjs.org/package/parseurl
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