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20 lines
453 B
20 lines
453 B
module.exports = shift |
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function shift (stream) { |
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var rs = stream._readableState |
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if (!rs) return null |
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return rs.objectMode ? stream.read() : stream.read(getStateLength(rs)) |
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} |
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function getStateLength (state) { |
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if (state.buffer.length) { |
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// Since node 6.3.0 state.buffer is a BufferList not an array |
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if (state.buffer.head) { |
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return state.buffer.head.data.length |
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} |
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return state.buffer[0].length |
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} |
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return state.length |
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}
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