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13 lines
352 B
CoffeeScript
13 lines
352 B
CoffeeScript
Promise = require "bluebird"
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concatStream = require "concat-stream"
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buffertools = require "buffertools"
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module.exports = (stream, needle) ->
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# CAUTION: This buffers up in memory!
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new Promise (resolve, reject) ->
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stream
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.pipe concatStream (result) ->
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resolve buffertools.indexOf(result, needle) != -1
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.on "error", (err) ->
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reject err
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