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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/stream-shift/index.js
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-rw-r--r--node_modules/stream-shift/index.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/stream-shift/index.js b/node_modules/stream-shift/index.js
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+module.exports = shift
+
+function shift (stream) {
+ var rs = stream._readableState
+ if (!rs) return null
+ return (rs.objectMode || typeof stream._duplexState === 'number') ? stream.read() : stream.read(getStateLength(rs))
+}
+
+function getStateLength (state) {
+ if (state.buffer.length) {
+ // Since node 6.3.0 state.buffer is a BufferList not an array
+ if (state.buffer.head) {
+ return state.buffer.head.data.length
+ }
+
+ return state.buffer[0].length
+ }
+
+ return state.length
+}