@antv/g2plot/lib/util/responsive/rules/nodes-resampling.js

G2 Plot, a market of plots built with the Grammar of Graphics'

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var _ = tslib_1.__importStar(require("@antv/util"));
var text_hide_1 = tslib_1.__importDefault(require("./text-hide"));
function nodesResampling(shape, option, index, cfg) {
    var nodes = cfg.nodes.nodes;
    /** nodeLength为偶数，则奇数index的shape保留，反之则偶数index的shape保留 */
    var oddKeep = nodes.length % 2 === 0 ? false : true;
    if (isKeep(option.keep, index, nodes)) {
        return;
    }
    {
        var isOdd = index % 2 === 0 ? true : false;
        if ((!oddKeep && isOdd) || (oddKeep && !isOdd)) {
            text_hide_1.default(shape);
        }
    }
}
exports.default = nodesResampling;
function isKeep(keepCfg, index, nodes) {
    /** 允许设置start end 或任意index */
    var conditions = [];
    _.each(keepCfg, function (cfg) {
        if (cfg === 'start') {
            conditions.push(index === 0);
        }
        else if (cfg === 'end') {
            conditions.push(index === nodes.length - 1);
        }
        else if (_.isNumber(cfg)) {
            conditions.push(index === cfg);
        }
    });
    for (var _i = 0, conditions_1 = conditions; _i < conditions_1.length; _i++) {
        var condition = conditions_1[_i];
        if (condition === true) {
            return true;
        }
    }
    return false;
}
exports.isKeep = isKeep;
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