@visx/event
Advanced tools
Changelog
v1.3.0
Changes:
- @visx/annotation: 1.2.0 => 1.3.0
- @visx/axis: 1.2.0 => 1.3.0
- @visx/brush: 1.2.0 => 1.3.0
- @visx/demo: 1.2.0 => 1.3.0
- @visx/drag: 1.2.0 => 1.3.0
- @visx/event: 1.0.0 => 1.3.0
- @visx/grid: 1.2.0 => 1.3.0
- @visx/legend: 1.1.0 => 1.3.0
- @visx/marker: 1.2.0 => 1.3.0
- @visx/react-spring: 1.2.0 => 1.3.0
- @visx/responsive: 1.1.0 => 1.3.0
- @visx/scale: 1.1.0 => 1.3.0
- @visx/shape: 1.2.0 => 1.3.0
- @visx/stats: 1.1.0 => 1.3.0
- @visx/text: 1.1.0 => 1.3.0
- @visx/threshold: 1.2.0 => 1.3.0
- @visx/tooltip: 1.1.0 => 1.3.0
- @visx/visx: 1.2.0 => 1.3.0
- @visx/xychart: 1.2.0 => 1.3.0
- @visx/zoom: 1.0.0 => 1.3.0
Readme
npm install --save @visx/event
@visx/event exports a utility localPoint that takes an SVG MouseEvent or TouchEvent as
input and returns a { x: number; y: number; } point coordinate (or null in the case the event
has no ownerSVGElement) within the coordinate system of the SVG. This makes placement of
tooltips, finding nearby datum, etc. easier.
Example:
import { localPoint } from '@visx/event';
<svg>
<SomeElement
{...}
onMouseMove={(event: MouseEvent) => {
const point = localPoint(event) || { x: 0, y: 0 };
// use coordinates ...
}}
/>
{...}
</svg>
You may optionally pass a reference to the SVG node
import { useRef } from 'react';
import { localPoint } from '@visx/event';
const svgRef = useRef<SVGSVGElement>(null);
<svg ref={svgRef}>
<SomeElement
{...}
onMouseMove={(event: MouseEvent) => {
const point = localPoint(svgRef.current, event) || { x: 0, y: 0 };
// use coordinates ...
}}
/>
{...}
</svg>
FAQs
Unknown package
We found that @visx/event demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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