QueryStringToObject.jsm

export const queryStringToObject = (url, ignoreObjectsAndArrays) => { 
    return url.substring(url.indexOf('?')+1)
    .split('&')
    .reduce(
        (a,b)=> {
            const kvp = b.split('=')
            const frag = {}
            const nVal = Number(kvp[1])
            frag[kvp[0]] = 
                (kvp[1] === 'true' || kvp[1] === 'false') ? Boolean(kvp[1]) :
                !isNaN(nVal) ? nVal : 
                kvp[1]
            // This code does not handle objects and arrays
            // Because there is no clear standard as to 
            // "how to actually parse objects and arrays from query strings"
            // So I'll leave this here: "if value is de-JSON-able then de-JSON it"
            if(!ignoreObjectsAndArrays) {
                try {
                    frag[kvp[0]] = JSON.parse(frag[kvp[0]]);
                } catch(err) {}
            }
            //
            return Object.assign(a, frag)
        },{})
}

// let yourObj = queryStringToObject(yourUrl);

/*
> queryStringToObject('https://duckduckgo.com/?q=query+string+specification&atb=v102-1&ia=web')
returns { q: 'query+string+specification', atb: 'v102-1', ia: 'web' }
*/