root / HServer / 00.Server / 00.Program / node_modules / destroy / index.js
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| 1 | 39 | HKM | /*!
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| 2 | * destroy
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| 3 | * Copyright(c) 2014 Jonathan Ong
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| 4 | * MIT Licensed
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| 5 | */
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| 6 | |||
| 7 | 'use strict'
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| 8 | |||
| 9 | /**
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| 10 | * Module dependencies.
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| 11 | * @private
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| 12 | */
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| 13 | |||
| 14 | var ReadStream = require('fs').ReadStream |
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| 15 | var Stream = require('stream') |
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| 16 | |||
| 17 | /**
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| 18 | * Module exports.
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| 19 | * @public
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| 20 | */
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| 21 | |||
| 22 | module.exports = destroy |
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| 23 | |||
| 24 | /**
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| 25 | * Destroy a stream.
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| 26 | *
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| 27 | * @param {object} stream
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| 28 | * @public
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| 29 | */
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| 30 | |||
| 31 | function destroy(stream) { |
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| 32 | if (stream instanceof ReadStream) { |
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| 33 | return destroyReadStream(stream)
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| 34 | } |
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| 35 | |||
| 36 | if (!(stream instanceof Stream)) { |
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| 37 | return stream
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| 38 | } |
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| 39 | |||
| 40 | if (typeof stream.destroy === 'function') { |
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| 41 | stream.destroy() |
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| 42 | } |
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| 43 | |||
| 44 | return stream
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| 45 | } |
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| 46 | |||
| 47 | /**
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| 48 | * Destroy a ReadStream.
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| 49 | *
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| 50 | * @param {object} stream
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| 51 | * @private
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| 52 | */
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| 53 | |||
| 54 | function destroyReadStream(stream) { |
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| 55 | stream.destroy() |
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| 56 | |||
| 57 | if (typeof stream.close === 'function') { |
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| 58 | // node.js core bug work-around
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| 59 | stream.on('open', onOpenClose)
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| 60 | } |
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| 61 | |||
| 62 | return stream
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| 63 | } |
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| 64 | |||
| 65 | /**
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| 66 | * On open handler to close stream.
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| 67 | * @private
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| 68 | */
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| 69 | |||
| 70 | function onOpenClose() { |
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| 71 | if (typeof this.fd === 'number') { |
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| 72 | // actually close down the fd
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| 73 | this.close()
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| 74 | } |
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| 75 | } |