@gravity-ui/graph/build/components/canvas/layers/belowLayer/BelowLayer.js

Modern graph editor component

import { Layer } from "../../../../services/Layer";
import { Background } from "./Background";
export class BelowLayer extends Layer {
    constructor(props) {
        super({
            canvas: {
                zIndex: 1,
                classNames: ["no-pointer-events"],
                transformByCameraPosition: true,
                ...props.canvas,
            },
            ...props,
        });
        this.background = this.props.graph.rootStore.settings.$background.value || Background;
    }
    afterInit() {
        this.onSignal(this.props.graph.rootStore.settings.$background, () => {
            this.background = this.props.graph.rootStore.settings.$background.value || Background;
            this.shouldUpdateChildren = true;
            this.performRender();
        });
        super.afterInit();
    }
    updateChildren() {
        return [this.background.create({})];
    }
}