@visactor/vchart/cjs/data/transforms/treemap.js

charts lib based @visactor/VGrammar

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: !0
}), exports.treemapLayout = void 0;

const vlayouts_1 = require("@visactor/vlayouts"), vutils_1 = require("@visactor/vutils"), hierarchy_1 = require("../../constant/hierarchy"), treemapLayout = (data, op) => {
    const options = (0, vutils_1.isFunction)(op) ? op() : op, viewBox = options.getViewBox();
    if (viewBox) {
        const res = new vlayouts_1.TreemapLayout(options).layout(data, viewBox), nodes = [];
        return (0, vlayouts_1.flattenNodes)(res, nodes, {
            maxDepth: null == options ? void 0 : options.maxDepth
        }), nodes.forEach((datum => {
            datum && [ hierarchy_1.DEFAULT_HIERARCHY_ROOT, "name" ].forEach((key => {
                datum[key] = datum.datum[datum.depth][options.nameField];
            }));
        })), nodes;
    }
    return [];
};

exports.treemapLayout = treemapLayout;
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