jscron

Cron Format Parser And Schedule Dates Generator

npm install jscron
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JsCron Build Status

Javascript cron parser, schedule date generator

Usage

var cron = "0 * * * * *";
var aMinute = 1000 * 60;
var startTime = Date.now();
var endTime = startTime + aMinute*5;
res = require('jscron').jscron.parse(cron,startTime,endTime) 
console.log(res)
#> [1350397740000,1350397800000,1350397860000,1350397920000,1350397980000]
/* The above in the first second for the next five minutes */
res.forEach(function(i){ console.log(new Date(i))})
#> Tue Oct 16 2012 16:29:00 GMT+0200 (IST)
#> Tue Oct 16 2012 16:30:00 GMT+0200 (IST)
#> Tue Oct 16 2012 16:31:00 GMT+0200 (IST)
#> Tue Oct 16 2012 16:32:00 GMT+0200 (IST)
#> Tue Oct 16 2012 16:33:00 GMT+0200 (IST)

Supported Cron Formatting

General Format

*    *    *    *    *    *
|    |    |    |    |    |day of week(0-6)
|    |    |    |    |month(1-12)
|    |    |    |day of month(1-31)
|    |    |hour(0-23)
|    |minute(0-59)
|seconds(0-59)

See WikiPedia for more information about the format

Supported Formatting Of Specific Fields

  • * all the options for that field
  • */2 starting from the first option, every other option
  • 0 only use the explicitly provided option
  • 2,4,9 use list of values provided, separated by comma

Installation

npm install jscron
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