Wildcard matching string function

match.js

"use strict";
function matchWildcard(match, str) {
    match = match.replace(/\*+/, '*');
    let sn = 0;
    let m, s;
    for (let mn = 0; mn < match.length; mn++, sn++) {
        m = match[mn];
        s = str[sn];
        if (m === '*') {
            // Bail out at end of match
            if (mn == match.length - 1) {
                return [sn <= str.length - 1, '* end']; // ending * matches 1..n remaining in str
            }
            // Ignore 1..Inf chars until next char = next match
            let nextS = str[sn + 1];
            let nextM = match[mn + 1];
            while (nextS !== nextM && nextM !== '?' && sn < str.length) {
                sn++;
                nextS = str[sn + 1];
            }
            continue;
        }
        if (m === '?') {
            continue; // Ignore 1 character
        }
        if (m !== s) {
            return [false, `mismatch ${m} ${s}`];
        }
    }
    if (sn !== str.length) {
        return [false, `bad len ${sn} ${str.length}`]; // After completing the match, there are more chars
    }
    
    return true;
}