Function formatLookup

docs/app/js/sanddance-app.js:112623–112628

(names)

    return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i");
}
function formatLookup(names) {
    return new Map(names.map((name, i)=>[
            name.toLowerCase(),
            i
        ]));
}
function parseWeekdayNumberSunday(d, string, i) {
    var n = numberRe.exec(string.slice(i, i + 1));
    return n ? (d.w = +n[0], i + n[0].length) : -1;