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39 lines
1.6 KiB
39 lines
1.6 KiB
// Copyright Joyent, Inc. and other Node contributors. |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a |
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// copy of this software and associated documentation files (the |
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// "Software"), to deal in the Software without restriction, including |
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// without limitation the rights to use, copy, modify, merge, publish, |
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// distribute, sublicense, and/or sell copies of the Software, and to permit |
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// persons to whom the Software is furnished to do so, subject to the |
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// following conditions: |
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// |
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// The above copyright notice and this permission notice shall be included |
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// in all copies or substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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// USE OR OTHER DEALINGS IN THE SOFTWARE. |
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// a passthrough stream. |
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// basically just the most minimal sort of Transform stream. |
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// Every written chunk gets output as-is. |
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'use strict'; |
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module.exports = PassThrough; |
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var Transform = require('./_stream_transform'); |
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require('inherits')(PassThrough, Transform); |
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function PassThrough(options) { |
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if (!(this instanceof PassThrough)) return new PassThrough(options); |
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Transform.call(this, options); |
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} |
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PassThrough.prototype._transform = function (chunk, encoding, cb) { |
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cb(null, chunk); |
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}; |