highlightCommonTerms2

treeherder.filter('highlightCommonTerms2', function () {
    return function (input) {
        const compareStr = Array.prototype.slice.call(arguments, 1).filter(x => x).join(" ");
        let tokens = compareStr.split(/[^a-zA-Z0-9]+/).map(item => item.toLowerCase());
        tokens = [ ...new Set(tokens) ]; // remove duplicates
        console.log("tokens", tokens);
        const subs = tokens.reduce((subAcc, token) => {
            let innerSubs = tokens.filter(innerToken => (innerToken.includes(token)));
            let substr = innerSubs.filter(sub => sub !== token);
            return [ ...subAcc, ...substr ];
        }, []);
        // we would need to split the subs that are substrings of one another
        // and make them their own terms to highlight.  But then what if that
        // new substring belonged to another term that shouldn't be highlighted.
        console.log("subs", subs);

        // var tokens = compareStr.split(/[^a-zA-Z0-9_-]+/);
        tokens.sort(function (a, b) {
            return b.length - a.length;
        });

        angular.forEach(tokens, function (elem) {
            if (elem.length > 0) {
                input = input.replace(new RegExp("([<strong>]|^|\\W|)(" + elem + ")([</strong>]|$|\\W|)", "gi"), function (match, prefix, token, suffix) {
                    return prefix + "<strong>" + token + "</strong>" + suffix;
                });
            }
        });
        console.log("input after", input);
        return input;
    };
});