quartzcron/dist/validators.js

version: `0.1.0` [CHANGELOG](https://github.com/fedeghe/quartzcron/blob/master/CHANGELOG.md)

/*
quartzcron (v.0.1.0)
*/
const { rx, errors } = require('./constants.js');
const getRangeValidator = (mainRx, cadenceRx) => val => {
        const v = `${val}`;
        if (v.match(rx.dumb.astrxn)) return true;
        
        const elements = v.split(/,/),
            matches = elements.map(el => el.match(rx.loose['n-n/nOPZ'])).filter(Boolean);
        if(matches.length !== elements.length) return false;
        // 1,3,5 => n-n/n
        // 1,3 => n-n
        // 1,5 => n/n
        // 1 => n
        return matches.every(m => {
            const base = m[1].match(mainRx);
            if (base) {
                if (m[3] && m[5]){
                    return m[3].match(mainRx) && m[5].match(cadenceRx);
                }
                if(m[3]) return m[3].match(mainRx);
                if(m[5]) return m[5].match(cadenceRx);
            }
            return base;
        });

    },
    getValidator = rxs => v => rxs.find(r => {
        if(typeof r === 'function') return r(v);
        return `${v}`.match(r);
    }),
    rx059 = getRangeValidator(rx.ranged['0-59'], rx.ranged['0-59'] ),
    rx023 = getRangeValidator(rx.ranged['0-23'], rx.ranged['0-23'] ),
    rx131 = getRangeValidator(rx.ranged['1-31'], rx.ranged['1-31'] ),
    rxmonth = getRangeValidator(rx.month, rx.month ),
    rxYear = getRangeValidator(rx.year, rx.yearCadence ),
    rxWeekday = getRangeValidator(rx.ranged['maybelabelled-wd'], rx.ranged['maybelabelled-wd'] ),
    rxDom = getValidator([
        rx131,
        rx.ranged['1-31'],
        rx.dumb.quest,
        rx.dumb.astrxn,
        rx.dumb['LW?'],
        rx.ranged['L-md'],
        rx.ranged['1-31L'],
        rx.ranged['1-31W']
    ]),
    rxDow = getValidator([
        rx.dumb.quest,
        rxWeekday,
        rx.ranged.fullWd,
        rx.ranged.nthFullWd
    ]),
    fieldCorrelationValidators = [{
        validator: ({dom, dow}) =>  !(dow!=='?' && dom!=='?') && !(dow==='?'&&dom==='?'),
        message: errors.domdowExclusivity
    }];
module.exports = {
    validators: {
        second: rx059,
        minute: rx059,
        hour: rx023,
        month: rxmonth,
        year: rxYear,
        dayOfMonth: rxDom,
        dayOfWeek: rxDow
    },
    fieldCorrelationValidators
};