@d3fc/d3fc-pointer

Component which emits the current mouse or touch position over a selection

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945125Jun 18, 2021Oct 6, 2014Minified + gzip package size for @d3fc/d3fc-pointer in KB

Readme

d3fc-pointer

Very simple component which emits an event to indicate the current mouse or touch position over a selection. Useful for implementing uni-directional data flow in a visualisation and not a lot else.

Main D3FC package

Installing

npm install @d3fc/d3fc-pointer

API Reference

# fc.pointer()

Constructs a new pointer component instance.

# pointer.on(typenames[, callback])

This component dispatches point events. The sole argument to the event handler is an array. If the mouse or touch interaction is over the selection then the array will contain a single object representing the co-ordinate (e.g. { x: 10, y: 10 }). If the mouse or touch interaction is not over the selection then the array will be empty.

See d3-dispatch's on for a full description.

If you find any bugs or have a feature request, please open an issue on github!

The npm package download data comes from npm's download counts api and package details come from npms.io.