github.com/noqcks/syft@v0.0.0-20230920222752-a9e2c4e288e5/test/integration/test-fixtures/npm-lock/node_modules/end-of-stream/README.md (about) 1 # end-of-stream 2 3 A node module that calls a callback when a readable/writable/duplex stream has completed or failed. 4 5 npm install end-of-stream 6 7 [](https://travis-ci.org/mafintosh/end-of-stream) 8 9 ## Usage 10 11 Simply pass a stream and a callback to the `eos`. 12 Both legacy streams, streams2 and stream3 are supported. 13 14 ``` js 15 var eos = require('end-of-stream'); 16 17 eos(readableStream, function(err) { 18 // this will be set to the stream instance 19 if (err) return console.log('stream had an error or closed early'); 20 console.log('stream has ended', this === readableStream); 21 }); 22 23 eos(writableStream, function(err) { 24 if (err) return console.log('stream had an error or closed early'); 25 console.log('stream has finished', this === writableStream); 26 }); 27 28 eos(duplexStream, function(err) { 29 if (err) return console.log('stream had an error or closed early'); 30 console.log('stream has ended and finished', this === duplexStream); 31 }); 32 33 eos(duplexStream, {readable:false}, function(err) { 34 if (err) return console.log('stream had an error or closed early'); 35 console.log('stream has finished but might still be readable'); 36 }); 37 38 eos(duplexStream, {writable:false}, function(err) { 39 if (err) return console.log('stream had an error or closed early'); 40 console.log('stream has ended but might still be writable'); 41 }); 42 43 eos(readableStream, {error:false}, function(err) { 44 // do not treat emit('error', err) as a end-of-stream 45 }); 46 ``` 47 48 ## License 49 50 MIT 51 52 ## Related 53 54 `end-of-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.