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stream-que

converting JavaScript Array of strings and streams into a sequential flow of data in a single stream.

Like a one-lane highway for stream.

Install

npm install --save stream-que

Usage

var Streamque = require('stream-que');
var highway = Streamque([
    'Hello ',
    fs.createReadStream('./file/world')
]);
 
highway.stream().pipe(process.stdout);
/*
* Assuming the file "./file/world" contains "world."
* The outcome in your console would be "Hello world."
*/

Count string size

This will only work if all the streams are created using fs.createReadStream

var highway = Streamque([
    'Hello ',
    fs.createReadStream( './file/world' )
]);
 
highway.count().then((total) => {
    console.log( 'Total size: ' + total )
    highway.stream().pipe( process.stdout )
});
/*
* Total size: 12
* Hello world.
*/

Manual start

Flowing mode will start on .pipe(), and listening on events such as data and readable. But, if you really have to make it start by yourself:

highway.start();
// and it flows.

fyi: This is written es6. and tested on node.js 4.4.0