cronz-scheduler/dist/utils/cronUtils.js

A lightweight cron and interval scheduler for Node.js written in TypeScript.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.validateCron = validateCron;
exports.matchTime = matchTime;
function validateCron(expr) {
    const parts = expr.trim().split(" ");
    return parts.length === 5;
}
function matchTime(field, value) {
    if (field === "*")
        return true;
    const parts = field.split(",");
    return parts.some((part) => {
        if (part.includes("/")) {
            const [base, step] = part.split("/");
            const baseRange = base === "*" ? [0, 59] : base.split("-").map(Number);
            const stepNum = parseInt(step);
            const [start, end] = baseRange.length === 2 ? baseRange : [0, 59];
            return value >= start && value <= end && (value - start) % stepNum === 0;
        }
        else if (part.includes("-")) {
            const [start, end] = part.split("-").map(Number);
            return value >= start && value <= end;
        }
        else {
            return parseInt(part) === value;
        }
    });
}