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6e9c872
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develop-client_server
master
typescript
fs-words.git
server
lib
node_modules
isstream
isstream.js
[add] server:lib:node_modules
Christian Fraß
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6e9c872
at 2021-03-08 23:52:07
isstream.js
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var stream = require('stream') function isStream (obj) { return obj instanceof stream.Stream } function isReadable (obj) { return isStream(obj) && typeof obj._read == 'function' && typeof obj._readableState == 'object' } function isWritable (obj) { return isStream(obj) && typeof obj._write == 'function' && typeof obj._writableState == 'object' } function isDuplex (obj) { return isReadable(obj) && isWritable(obj) } module.exports = isStream module.exports.isReadable = isReadable module.exports.isWritable = isWritable module.exports.isDuplex = isDuplex
