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58 lines
1.5 KiB
Markdown
58 lines
1.5 KiB
Markdown
8 years ago
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# range-parser
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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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Range header field parser.
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## Installation
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```
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$ npm install range-parser
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```
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## API
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```js
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var parseRange = require('range-parser')
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```
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### parseRange(size, header)
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Parse the given `header` string where `size` is the maximum size of the resource.
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An array of ranges will be returned or negative numbers indicating an error parsing.
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* `-2` signals a malformed header string
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* `-1` signals an invalid range
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```js
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// parse header from request
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var range = parseRange(req.headers.range)
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// the type of the range
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if (range.type === 'bytes') {
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// the ranges
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range.forEach(function (r) {
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// do something with r.start and r.end
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})
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}
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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/range-parser.svg
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[npm-url]: https://npmjs.org/package/range-parser
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[node-version-image]: https://img.shields.io/node/v/range-parser.svg
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[node-version-url]: http://nodejs.org/download/
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[travis-image]: https://img.shields.io/travis/jshttp/range-parser.svg
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[travis-url]: https://travis-ci.org/jshttp/range-parser
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[coveralls-image]: https://img.shields.io/coveralls/jshttp/range-parser.svg
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[coveralls-url]: https://coveralls.io/r/jshttp/range-parser
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[downloads-image]: https://img.shields.io/npm/dm/range-parser.svg
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[downloads-url]: https://npmjs.org/package/range-parser
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