@visactor/vgrammar-core/es/graph/mark/large-rects.js

VGrammar is a visual grammar library

import { Group, CustomPath2D } from "@visactor/vrender-core";

export class LargeRects extends Group {
    constructor(attributes) {
        super(attributes), this.attribute = attributes, this.onSetStage((() => {
            this.render();
        }));
    }
    render() {
        var _a;
        const pathNode = this.createOrUpdateChild("large-path", {}, "path"), points = this.attribute.points, path2d = null !== (_a = pathNode.attribute.path) && void 0 !== _a ? _a : new CustomPath2D;
        let x, y, width, height;
        path2d.clear();
        for (let i = 0, len = points.length; i < len; i += 4) x = points[i], y = points[i + 1], 
        width = points[i + 2], height = points[i + 3], path2d.rect(x, y, width, height);
        const pathAttrs = Object.assign({}, this.attribute, {
            path: path2d,
            points: null
        });
        this.attribute = {}, pathNode.setAttributes(pathAttrs);
    }
}
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