drag-stream

A readable stream of drag data for an element.

``javascript

var drag = require('../index')
, el = document.getElementById('content')

drag(el)
.on('data', function(data) {
// data == {dx:int, dy:int, dt:int}
})
.pipe(
through(function(data) {
this.emit('data', [data.dx, data.dy, data.dt].join(', '))
})
)

`

API

$3

$3

The stream will emit data events between a mousedown on the target el
and mouseup anywhere else on the page.

The data events take the form of an x-delta, y-delta, and time-delta.

When a drag is started, its time-delta will be 0` and its x and y deltas
will be the screen offset of the initial mousedown event.