src/types/RestrictedMixin.js
function clean(parts) {
    var p = '';
    for (var i = 0; i < parts.length; i += 3) {
        p += parts[i] || '';
    }
    return p;
}
function clean(parts) {
    var p = '';
    for (var i = 0; i < parts.length; i += 3) {
        p += parts[i] || '';
    }
    return p;
}
function clean ( parts ) { var p = '' ; for ( var i = 0 ; i < parts . length ; i += 3 ) { p += parts [ i ] || '' ; } return p ; }
So we only care about every 3rd group.  Remove delimeters and such, so the next parse can have something nice to work with.
So we only care about every 3rd group . Remove delimeters and such so the next parse can have something nice to work with .