Function makeIdAndName

libs/echarts/echarts.simple.js:11910–11985

* Make id and name for mapping result (result of mappingToExists) * into `keyInfo` field. * * @public * @param {Array. } Result, like [{exist: ..., option: ...}, {}], * which order is the same as exists. * @return {Array. } The input.

(mapResult)

 * @return {Array.<Object>} The input.
 */
function makeIdAndName(mapResult) {
    // We use this id to hash component models and view instances
    // in echarts. id can be specified by user, or auto generated.

    // The id generation rule ensures new view instance are able
    // to mapped to old instance when setOption are called in
    // no-merge mode. So we generate model id by name and plus
    // type in view id.

    // name can be duplicated among components, which is convenient
    // to specify multi components (like series) by one name.

    // Ensure that each id is distinct.
    var idMap = createHashMap();

    each$2(mapResult, function (item, index) {
        var existCpt = item.exist;
        existCpt && idMap.set(existCpt.id, item);
    });

    each$2(mapResult, function (item, index) {
        var opt = item.option;

        assert$1(
            !opt || opt.id == null || !idMap.get(opt.id) || idMap.get(opt.id) === item,
            'id duplicates: ' + (opt && opt.id)
        );

        opt && opt.id != null && idMap.set(opt.id, item);
        !item.keyInfo && (item.keyInfo = {});
    });

    // Make name and id.
    each$2(mapResult, function (item, index) {
        var existCpt = item.exist;
        var opt = item.option;
        var keyInfo = item.keyInfo;

        if (!isObject$2(opt)) {
            return;
        }

        // name can be overwitten. Consider case: axis.name = '20km'.
        // But id generated by name will not be changed, which affect
        // only in that case: setOption with 'not merge mode' and view
        // instance will be recreated, which can be accepted.
        keyInfo.name = opt.name != null
            ? opt.name + ''
            : existCpt
            ? existCpt.name
            // Avoid diffferent series has the same name,
            // because name may be used like in color pallet.
            : DUMMY_COMPONENT_NAME_PREFIX + index;

        if (existCpt) {
            keyInfo.id = existCpt.id;
        }
        else if (opt.id != null) {