108 lines
2.9 KiB
Markdown
108 lines
2.9 KiB
Markdown
# parseurl
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[](http://badge.fury.io/js/parseurl)
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[](https://travis-ci.org/expressjs/parseurl)
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[](https://coveralls.io/r/expressjs/parseurl)
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Parse a URL with memoization.
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## Install
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```bash
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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@1.3.0 bench nodejs-parseurl
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> node benchmark/index.js
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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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1 test completed.
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2 tests completed.
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3 tests completed.
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fasturl x 1,290,780 ops/sec ±0.46% (195 runs sampled)
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nativeurl x 56,401 ops/sec ±0.22% (196 runs sampled)
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parseurl x 55,231 ops/sec ±0.22% (194 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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1 test completed.
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2 tests completed.
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3 tests completed.
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fasturl x 1,986,668 ops/sec ±0.27% (190 runs sampled)
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nativeurl x 98,740 ops/sec ±0.21% (195 runs sampled)
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parseurl x 2,628,171 ops/sec ±0.36% (195 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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1 test completed.
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2 tests completed.
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3 tests completed.
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fasturl x 2,184,468 ops/sec ±0.40% (194 runs sampled)
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nativeurl x 99,437 ops/sec ±0.71% (194 runs sampled)
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parseurl x 10,498,005 ops/sec ±0.61% (186 runs sampled)
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> node benchmark/simplepath.js
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Parsing URL "/foo/bar"
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1 test completed.
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2 tests completed.
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3 tests completed.
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fasturl x 4,535,825 ops/sec ±0.27% (191 runs sampled)
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nativeurl x 98,769 ops/sec ±0.54% (191 runs sampled)
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parseurl x 4,164,865 ops/sec ±0.34% (192 runs sampled)
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> node benchmark/slash.js
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Parsing URL "/"
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1 test completed.
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2 tests completed.
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3 tests completed.
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fasturl x 4,908,405 ops/sec ±0.42% (191 runs sampled)
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nativeurl x 100,945 ops/sec ±0.59% (188 runs sampled)
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parseurl x 4,333,208 ops/sec ±0.27% (194 runs sampled)
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```
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## License
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[MIT](LICENSE)
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