merge multiple sorted streams into a single sorted stream
npm install multi-sort-streammerge multiple sorted streams into a single sorted stream
`` js
var multiSort = require('multi-sort-stream')
var { Readable, Transform, pipeline } = require('stream')
var a = Readable.from([5,10,15])
var b = Readable.from([3,20,50,55])
var c = Readable.from([17,25])
pipeline(
multiSort([a,b,c], (a,b) => a < b ? -1 : +1),
Transform({
writableObjectMode: true,
transform: (row,enc,next) => next(null, JSON.stringify(row)+'\n'),
}),
process.stdout,
(err) => { if (err) console.error(err) }
)
`
output:
`
3
5
10
15
17
20
25
50
55
` js`
var multiSort = require('multi-sort-stream')
Create a readable stream of sorted output from an array of sorted readable streams.
* opts.compare(a,b) - comparison function (return -1 or +1)
If opts is a function, it will be used as the opts.compare function.
`
npm install multi-sort-stream
bsd