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# destroy | |
[![NPM version][npm-image]][npm-url] | |
[![Build Status][github-actions-ci-image]][github-actions-ci-url] | |
[![Test coverage][coveralls-image]][coveralls-url] | |
[![License][license-image]][license-url] | |
[![Downloads][downloads-image]][downloads-url] | |
Destroy a stream. | |
This module is meant to ensure a stream gets destroyed, handling different APIs | |
and Node.js bugs. | |
## API | |
```js | |
var destroy = require('destroy') | |
``` | |
### destroy(stream [, suppress]) | |
Destroy the given stream, and optionally suppress any future `error` events. | |
In most cases, this is identical to a simple `stream.destroy()` call. The rules | |
are as follows for a given stream: | |
1. If the `stream` is an instance of `ReadStream`, then call `stream.destroy()` | |
and add a listener to the `open` event to call `stream.close()` if it is | |
fired. This is for a Node.js bug that will leak a file descriptor if | |
`.destroy()` is called before `open`. | |
2. If the `stream` is an instance of a zlib stream, then call `stream.destroy()` | |
and close the underlying zlib handle if open, otherwise call `stream.close()`. | |
This is for consistency across Node.js versions and a Node.js bug that will | |
leak a native zlib handle. | |
3. If the `stream` is not an instance of `Stream`, then nothing happens. | |
4. If the `stream` has a `.destroy()` method, then call it. | |
The function returns the `stream` passed in as the argument. | |
## Example | |
```js | |
var destroy = require('destroy') | |
var fs = require('fs') | |
var stream = fs.createReadStream('package.json') | |
// ... and later | |
destroy(stream) | |
``` | |
[npm-image]: https://img.shields.io/npm/v/destroy.svg?style=flat-square | |
[npm-url]: https://npmjs.org/package/destroy | |
[github-tag]: http://img.shields.io/github/tag/stream-utils/destroy.svg?style=flat-square | |
[github-url]: https://github.com/stream-utils/destroy/tags | |
[coveralls-image]: https://img.shields.io/coveralls/stream-utils/destroy.svg?style=flat-square | |
[coveralls-url]: https://coveralls.io/r/stream-utils/destroy?branch=master | |
[license-image]: http://img.shields.io/npm/l/destroy.svg?style=flat-square | |
[license-url]: LICENSE.md | |
[downloads-image]: http://img.shields.io/npm/dm/destroy.svg?style=flat-square | |
[downloads-url]: https://npmjs.org/package/destroy | |
[github-actions-ci-image]: https://img.shields.io/github/workflow/status/stream-utils/destroy/ci/master?label=ci&style=flat-square | |
[github-actions-ci-url]: https://github.com/stream-utils/destroy/actions/workflows/ci.yml | |