stream-filter

Filter data using a through stream.


Installation

npm: stream-filter

``
npm install stream-filter
`

Example

`js
var filter = require("stream-filter");

process.stdin.pipe(filter(function(data) {
return data.length > 2;
})).pipe(process.stdout);
`

$3

`js
var filter = require("stream-filter");

process.stdin.pipe(filter.async(function(data, callback) {
doAsyncThing(data, function(err, size) {
callback(err, size > 2);
});
})).pipe(process.stdout);
`

API

`js
var filter = require("stream-filter");
filter(fn, options);
filter.obj(fn, options);
filter.async(fn, options);
filter.async.obj(fn, options);
`

Note that filter.obj(fn) and filter.async.obj(fn) are convenience
wrappers to pass { objectMode: true }`.

See index.js and test.js for API details.