Available as an npm module, through2 is a wrapper around Node's core stream.Tranform class that allows for simpler object stream creation.
Questions tagged [through2]
23 questions
0
votes
1 answer
node stream not finish but emit end
I am reading this and wrote my codes based on examples.
My codes:
const through = require('through2');
const bluebird = require('bluebird');
function streamToPromise(stream) {
return new Promise(function(resolve, reject) {
stream.resume();
…
BAE
- 8,550
- 22
- 88
- 171
0
votes
1 answer
Make sure promise resolved inside transformFunction
I am studying through2 and sequelize.
My codes:
return Doc.createReadStream({
where: { /*...*/ },
include: [
{
/*...*/
},
],
})
.pipe(through({ objectMode: true }, (doc, enc, cb) => {
Comment.findOne(null, {…
BAE
- 8,550
- 22
- 88
- 171
0
votes
1 answer
Converting WriteStream to TransformStream
I have a (somewhat weird) writable stream that I need to convert to a transform stream.
The writable stream, normally, sits at the end of a pipe chain and emits custom events once it has collected enough data for its output. I want it to go in the…
mathan
- 133
- 2
- 13
0
votes
0 answers
Transform stream JavaScript for the browser
I have a file that makes use of the library through2 to handle transform streams. The only problem with this library is that it doesn't run on the browser. Is there a library I can use that does something similar to through2 and runs on the client? …
helfi
- 125
- 3
- 10
0
votes
2 answers
Node - Abstracting Pipe Steps into Function
I'm familiar with Node streams, but I'm struggling on best practices for abstracting code that I reuse a lot into a single pipe step.
Here's a stripped down version of what I'm writing…
AdamPat
- 101
- 1
- 10
0
votes
1 answer
Apply another gulp plugin in my own gulp plugin using through2
I am writing my own gulp plugin which looks like this...
var through2 = require('through2');
var order = require('gulp-order');
module.exports = function() {
return through2.obj(function(file, encoding, callback) {
callback(null,…
mikep
- 5,880
- 2
- 30
- 37
0
votes
1 answer
Pipe image through graphics magic only half complete
I am trying to set up a transform stream to pipe an image through with GM https://github.com/aheckmann/gm. So I can do something like:
readStream.pipe(resize()).pipe(writeStream);
I have used through2 along with gm to try and achieve this. It works…
wazzaday
- 9,474
- 6
- 39
- 66
0
votes
2 answers
Access file name in the transformed gulp stream
I have the following gulp task configured:
var assets = plugins.useref.assets({searchPath: './'}),
css = plugins.filter('**/main.css'),
html = plugins.filter('**/*.html');
return gulp
.src(config.html.srcheader)
…
Ssey
- 65
- 8