@textback/notification-widget/src/sdk/utils/parseQueryString.js

TODO: Give a short introduction of your project. Let this section explain the objectives or the motivation behind this project.

function parseQueryString(query) {
    const vars = query.split('&'),
        queryString = {};

    if (query.length > 0) {
        for (var i = 0; i < vars.length; i++) {
            const pair = vars[i].split('='),
                key = decodeURIComponent(pair[0]),
                value = decodeURIComponent(pair[1]);

            if (!key) 
                continue;

            switch ( typeof queryString[key] ) {
                // If first entry with this name
                case 'undefined':
                    queryString[key] = value;
                    break;
                // If second entry with this name
                case 'string': {
                    const arr = [ queryString[key], value ];
                    queryString[ key ] = arr;
                    break;
                }
                // If third or later entry with this name
                default:
                    queryString[key].push(value);
            }
        }
    }
    return queryString;
}

export default parseQueryString;