kelektiv/node-cron

support extended cron syntax

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#435 opened on Aug 16, 2019

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Description

Does this package have any plan to support non-standard cron syntax? Like, https://en.wikipedia.org/wiki/Cron#Non-standard_characters

I am using this package really well but I needed to use extended syntax for some reasons. Now I extended the codes myself but it would be great if these syntaxes are supported natively.

Feature specification: https://github.com/kelektiv/node-cron/issues/435#issuecomment-1741832925

Contributor guide

Tech stack
javascriptnodejs
Domain
backend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Cron syntaxJavaScriptNode.js
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70
Research direction
The issue requests support for non standard cron syntax as described in the linked feature specification (https://github.com/kelektiv/node cron/issues/435#issuecomment 1741832925). The implementation would likely involve modifying the cron expression parser in the source code (e.g., lib/cron.js or similar) to handle additional characters like @yearly, @monthly, and ranges. The contributor should study the existing parsing logic and add support for the extended syntax while maintaining backward compatibility.