devextreme/cjs/__internal/data/data_converter/grouped.js

JavaScript/TypeScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/__internal/data/data_converter/grouped.js)
 * Version: 25.2.7
 * Build date: Tue May 05 2026
 *
 * Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.getDataSourceOptions = getDataSourceOptions;
var _data = require("../../../common/data");
var _type = require("../../../core/utils/type");
const groupKey = "key";

function getDataSourceOptions(dataSource) {
    if (!(0, _data.isGroupItemsArray)(dataSource) || dataSource.some(item => 2 !== Object.keys(item).length)) {
        return dataSource
    }
    let hasSimpleItems = false;
    const data = dataSource.reduce((accumulator, item) => {
        var _item$items;
        const items = (null === (_item$items = item.items) || void 0 === _item$items ? void 0 : _item$items.map(value => {
            let innerItem = value;
            if (!(0, _type.isObject)(innerItem)) {
                innerItem = {
                    text: innerItem
                };
                hasSimpleItems = true
            }
            const objectItem = innerItem;
            if (!(groupKey in objectItem)) {
                objectItem[groupKey] = item.key
            }
            return objectItem
        })) ?? [];
        return accumulator.concat(items)
    }, []);
    return {
        store: {
            type: "array",
            data: data
        },
        group: {
            selector: groupKey,
            keepInitialKeyOrder: true
        },
        searchExpr: hasSimpleItems ? "text" : void 0
    }
}