function getParseRegexForToken()

in datacat/web/portal/scripts/moment.js [1043:1128]
83 lines of code
58 McCabe index (conditional complexity)

    function getParseRegexForToken(token, config) {
        var a, strict = config._strict;
        switch (token) {
            case 'Q':
                return parseTokenOneDigit;
            case 'DDDD':
                return parseTokenThreeDigits;
            case 'YYYY':
            case 'GGGG':
            case 'gggg':
                return strict ? parseTokenFourDigits : parseTokenOneToFourDigits;
            case 'Y':
            case 'G':
            case 'g':
                return parseTokenSignedNumber;
            case 'YYYYYY':
            case 'YYYYY':
            case 'GGGGG':
            case 'ggggg':
                return strict ? parseTokenSixDigits : parseTokenOneToSixDigits;
            case 'S':
                if (strict) {
                    return parseTokenOneDigit;
                }
            /* falls through */
            case 'SS':
                if (strict) {
                    return parseTokenTwoDigits;
                }
            /* falls through */
            case 'SSS':
                if (strict) {
                    return parseTokenThreeDigits;
                }
            /* falls through */
            case 'DDD':
                return parseTokenOneToThreeDigits;
            case 'MMM':
            case 'MMMM':
            case 'dd':
            case 'ddd':
            case 'dddd':
                return parseTokenWord;
            case 'a':
            case 'A':
                return config._locale._meridiemParse;
            case 'X':
                return parseTokenTimestampMs;
            case 'Z':
            case 'ZZ':
                return parseTokenTimezone;
            case 'T':
                return parseTokenT;
            case 'SSSS':
                return parseTokenDigits;
            case 'MM':
            case 'DD':
            case 'YY':
            case 'GG':
            case 'gg':
            case 'HH':
            case 'hh':
            case 'mm':
            case 'ss':
            case 'ww':
            case 'WW':
                return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits;
            case 'M':
            case 'D':
            case 'd':
            case 'H':
            case 'h':
            case 'm':
            case 's':
            case 'w':
            case 'W':
            case 'e':
            case 'E':
                return parseTokenOneOrTwoDigits;
            case 'Do':
                return parseTokenOrdinal;
            default :
                a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i'));
                return a;
        }
    }