@gravity-ui/graph/build/components/canvas/layers/graphLayer/helpers.js

Modern graph editor component

import { GraphComponent } from "../../GraphComponent";
export class DrawBelow extends GraphComponent {
    constructor() {
        super(...arguments);
        this.shouldUpdateChildren = false;
        this.shouldRenderChildren = false;
    }
    isVisible() {
        return true;
    }
    render() {
        this.context.ctx.globalCompositeOperation = "destination-over";
        return;
    }
}
export class DrawOver extends GraphComponent {
    constructor() {
        super(...arguments);
        this.shouldUpdateChildren = false;
        this.shouldRenderChildren = false;
    }
    isVisible() {
        return true;
    }
    render() {
        this.context.ctx.globalCompositeOperation = "source-over";
        return;
    }
}