@visactor/vchart/cjs/series/map/geo-source.js

charts lib based @visactor/VGrammar

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: !0
}), exports.clearMapSource = exports.getMapSource = exports.unregisterMapSource = exports.registerMapSource = exports.geoSourceMap = void 0;

const vdataset_1 = require("@visactor/vdataset"), debug_1 = require("../../util/debug"), register_1 = require("../../data/register"), vutils_1 = require("@visactor/vutils");

let mapDataSet;

function initMapDataSet() {
    mapDataSet || (mapDataSet = new vdataset_1.DataSet, (0, register_1.registerDataSetInstanceParser)(mapDataSet, "geojson", vdataset_1.geoJSONParser), 
    (0, register_1.registerDataSetInstanceParser)(mapDataSet, "topojson", vdataset_1.topoJSONParser), 
    (0, register_1.registerDataSetInstanceTransform)(mapDataSet, "simplify", vdataset_1.simplify));
}

function registerMapSource(key, source, option = {
    type: "geojson",
    centroid: !0
}) {
    exports.geoSourceMap.has(key) && (0, debug_1.warn)(`map type of '${key}' already exists, will be overwritten.`), 
    initMapDataSet();
    const dataView = new vdataset_1.DataView(mapDataSet), options = (0, vutils_1.merge)({}, {
        centroid: !0,
        simplify: !1
    }, option);
    "topojson" === option.type ? dataView.parse(source, {
        type: "topojson",
        options: options
    }) : dataView.parse(source, {
        type: "geojson",
        options: options
    });
    const {simplify: simplify} = option;
    !0 === simplify ? dataView.transform({
        type: "simplify"
    }) : (0, vutils_1.isObject)(simplify) && dataView.transform({
        type: "simplify",
        options: simplify
    }), exports.geoSourceMap.set(key, dataView);
}

function unregisterMapSource(key) {
    exports.geoSourceMap.has(key) ? exports.geoSourceMap.delete(key) : (0, debug_1.warn)(`map type of '${key}' does not exists.`);
}

function getMapSource(type) {
    return exports.geoSourceMap.get(type);
}

function clearMapSource() {
    exports.geoSourceMap.clear(), mapDataSet = null;
}

exports.geoSourceMap = new Map, exports.registerMapSource = registerMapSource, exports.unregisterMapSource = unregisterMapSource, 
exports.getMapSource = getMapSource, exports.clearMapSource = clearMapSource;
//# sourceMappingURL=geo-source.js.map