formatchange/makeGroups.js

Utility that monitors named CSS media-query breakpoints and triggers event callbacks when a media-format change occurs.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.makeGroups = void 0;
/**
 * Esoteric helper that maps a complex `GroupConfig` config object
 * into a `FormatMonitorGroupConfig`
 *
 * @see https://github.com/maranomynet/formatchange/tree/v2#makegroups-helper
 */
var makeGroups = function (groupConfig) {
    var mediaGroups = {};
    Object.entries(groupConfig).forEach(function (_a) {
        var format = _a[0], formatConfig = _a[1];
        var grp = formatConfig.group;
        if (grp) {
            var groups = Array.isArray(grp) ? grp : [grp];
            groups.forEach(function (group) {
                var grpCfg = mediaGroups[group] || {};
                mediaGroups[group] = grpCfg;
                grpCfg[format] = true;
            });
        }
    });
    return mediaGroups;
};
exports.makeGroups = makeGroups;