Package Exports

cron-parser
cron-parser/lib/date

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (cron-parser) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

cron-parser

Node.js library for parsing crontab instructions

Setup

npm install cron-parser

Supported format

*    *    *    *    *    *
┬    ┬    ┬    ┬    ┬    ┬
│    │    │    │    │    |
│    │    │    │    │    └ day of week (0 - 6)
│    │    │    │    └───── month (0 - 11)
│    │    │    └────────── day of month (1 - 31)
│    │    └─────────────── hour (0 - 23)
│    └──────────────────── minute (0 - 59)
└───────────────────────── second (0 - 59, optional)

Supports mixed use of ranges and range increments (L, W and # characters are not supported currently). See tests for examples.

Usage

Simple expression.

var parser = require('cron-parser');

parser.parseExpression('*/2 * * * *', function(err, interval) {
  if (err) {
    console.log('Error: ' + err.message);
    return;
  }

  console.log('Date: ', interval.next()); // Sat Dec 29 2012 00:42:00 GMT+0200 (EET)
  console.log('Date: ', interval.next()); // Sat Dec 29 2012 00:44:00 GMT+0200 (EET)
});

Define start and end date (limited timespan).

var parser = require('cron-parser');

var options = {
  currentDate: new Date('Wed, 26 Dec 2012 12:38:53 UTC'),
  endDate: new Date('Wed, 26 Dec 2012 14:40:00 UTC')
};

parser.parseExpression('*/22 * * * *', options, function(err, interval) {
  if (err) {
    console.log('Error: ' + err.message);
    return;
  }

  while (true) {
    try {
          console.log(interval.next());
      } catch (e) {
          break;
      }
  }

  // Wed Dec 26 2012 14:44:00 GMT+0200 (EET)
  // Wed Dec 26 2012 15:00:00 GMT+0200 (EET)
  // Wed Dec 26 2012 15:22:00 GMT+0200 (EET)
  // Wed Dec 26 2012 15:44:00 GMT+0200 (EET)
  // Wed Dec 26 2012 16:00:00 GMT+0200 (EET)
  // Wed Dec 26 2012 16:22:00 GMT+0200 (EET)
});