Function _parseCronFields

packages/server/src/services/schedule/utils.ts:227–237

Parse a cron expression once so fields can be reused across many date checks.

(expression: string)

/** Parse a cron expression once so fields can be reused across many date checks. */
function _parseCronFields(expression: string): _ParsedCronFields {
    const fields = expression.trim().split(/\s+/)
    const offset = fields.length === 6 ? 1 : 0
    return {
        minuteField: fields[0 + offset],
        hourField: fields[1 + offset],
        domField: fields[2 + offset],
        monthField: fields[3 + offset],
        dowField: fields[4 + offset]
    }
}

/**
 * Check whether a pre-parsed cron matches `date`, using a pre-built Intl.DateTimeFormat for TZ conversion.