react-konva-utils
Advanced tools
Html components allows you to create DOM components inside Konva stage. All DOM components will be placed over canvas content.
import { Html } from 'react-konva-utils';
<Html
transform // should we apply position transform automatically to DOM container, default is true
transformFunc={(transformAttrs) => newAttrs} // function to overwrite transformation attributes, not used if transform = false, default is undefined
groupProps={{}} // additional properties to the group wrapper, useful for some position offset
divProps={{}} // additional props for wrapped div elements, useful for styles
>
<div>DOM content</div>
</Html>;
Konva is a canvas library. It can't render DOM elements directly. <Html> component will just create a div element and put it top top of the canvas with absolute positioning. That means HTML will be not visible if you export canvas as image.
The most common use case is to create HTML content for temporary tooltips or textareas.
Portal allows you to create portal from one Konva container (such as Layer or Group) into another.
import { Portal } from 'react-konva-utils';
<Layer>
<Portal selector=".top">
{/* content of that portal will be moved into "top" group*/}
<Rect width={100} height={100} fill="red" draggable />
</Portal>
<Rect width={100} height={100} fill="black" draggable />
<Group name="top" />
</Layer>;
FAQs
Useful components and hooks for react-konva
We found that react-konva-utils demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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