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63 lines
2.0 KiB
Markdown
63 lines
2.0 KiB
Markdown
# clone-response
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> Clone a Node.js HTTP response stream
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[](https://travis-ci.org/lukechilds/clone-response)
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[](https://coveralls.io/github/lukechilds/clone-response?branch=master)
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[](https://www.npmjs.com/package/clone-response)
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[](https://www.npmjs.com/package/clone-response)
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Returns a new stream and copies over all properties and methods from the original response giving you a complete duplicate.
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This is useful in situations where you need to consume the response stream but also want to pass an unconsumed stream somewhere else to be consumed later.
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## Install
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```shell
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npm install --save clone-response
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```
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## Usage
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```js
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const http = require('http');
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const cloneResponse = require('clone-response');
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http.get('http://example.com', response => {
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const clonedResponse = cloneResponse(response);
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response.pipe(process.stdout);
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setImmediate(() => {
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// The response stream has already been consumed by the time this executes,
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// however the cloned response stream is still available.
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doSomethingWithResponse(clonedResponse);
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});
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});
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```
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Please bear in mind that the process of cloning a stream consumes it. However, you can consume a stream multiple times in the same tick, therefore allowing you to create multiple clones. e.g:
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```js
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const clone1 = cloneResponse(response);
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const clone2 = cloneResponse(response);
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// response can still be consumed in this tick but cannot be consumed if passed
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// into any async callbacks. clone1 and clone2 can be passed around and be
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// consumed in the future.
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```
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## API
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### cloneResponse(response)
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Returns a clone of the passed in response.
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#### response
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Type: `stream`
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A [Node.js HTTP response stream](https://nodejs.org/api/http.html#http_class_http_incomingmessage) to clone.
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## License
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MIT © Luke Childs
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