@visactor/vchart/cjs/util/mark.js

charts lib based @visactor/VGrammar

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: !0
}), exports.getDiffAttributesOfGraphic = exports.findMarkGraphic = exports.getDatumOfGraphic = exports.isCollectionMark = void 0;

const isCollectionMark = type => "line" === type || "area" === type;

exports.isCollectionMark = isCollectionMark;

const getDatumOfGraphic = g => {
    if (!g || !g.context) return null;
    const {data: data, markType: markType} = g.context;
    return (0, exports.isCollectionMark)(markType) ? data : null == data ? void 0 : data[0];
};

exports.getDatumOfGraphic = getDatumOfGraphic;

const findMarkGraphic = (rootGroup, target) => {
    let g = target;
    for (;(null == g ? void 0 : g.parent) && g.parent !== rootGroup; ) if (g = g.parent, 
    g.context) return g;
    return null;
};

exports.findMarkGraphic = findMarkGraphic;

const getDiffAttributesOfGraphic = (g, newAttrs) => {
    const prevAttrs = g.getAttributes(!0), diffAttrs = {};
    return Object.keys(newAttrs).forEach((key => {
        prevAttrs[key] !== newAttrs[key] && (diffAttrs[key] = newAttrs[key]);
    })), diffAttrs;
};

exports.getDiffAttributesOfGraphic = getDiffAttributesOfGraphic;
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