function handleStrictParse$1()

in charts/shared/moment.js [1567:1638]
70 lines of code
20 McCabe index (conditional complexity)

function handleStrictParse$1(weekdayName, format, strict) {
    var i,
        ii,
        mom,
        llc = weekdayName.toLocaleLowerCase();
    if (!this._weekdaysParse) {
        this._weekdaysParse = [];
        this._shortWeekdaysParse = [];
        this._minWeekdaysParse = [];

        for (i = 0; i < 7; ++i) {
            mom = createUTC([2000, 1]).day(i);
            this._minWeekdaysParse[i] = this.weekdaysMin(
                mom,
                ''
            ).toLocaleLowerCase();
            this._shortWeekdaysParse[i] = this.weekdaysShort(
                mom,
                ''
            ).toLocaleLowerCase();
            this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
        }
    }

    if (strict) {
        if (format === 'dddd') {
            ii = indexOf.call(this._weekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else if (format === 'ddd') {
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else {
            ii = indexOf.call(this._minWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        }
    } else {
        if (format === 'dddd') {
            ii = indexOf.call(this._weekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._minWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else if (format === 'ddd') {
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._weekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._minWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        } else {
            ii = indexOf.call(this._minWeekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._weekdaysParse, llc);
            if (ii !== -1) {
                return ii;
            }
            ii = indexOf.call(this._shortWeekdaysParse, llc);
            return ii !== -1 ? ii : null;
        }
    }
}