cronhub / crontab Goto Github PK

This threw me off for quite some time.

node-schedule has 6 inputs. Cronhub only specifies 5.
https://www.npmjs.com/package/node-schedule

10 10 31 4 5
At 10:10 AM, on day 31 of the month, and on Friday, only in April

but in April 31 is not a valid date

When I enter in "0 15 10 ? * 6#3", it should resolve to "At 10:15am on the third Friday of every month". Currently it resolves to "At 10:15am on the third Saturday of every month". The day of the week is 1 based and starts on Sunday.

As the support for non-standard characters like W or L or # depends on the implementation, a small doc string, stating which ones are supported by this specific implementation, maybe on the bottom of the page, would be great.

So maybe something like https://crontab.cronhub.io/?cronExpression=*/5 * * * * would just prefill the input otherwise if empty, leave it at default.

There are some applications (i.e. Spring) that use a sixth field for cron expressions to represent seconds.

The option to have a sixth field represented in a generator would be ideal for these use cases.

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If possible, I'd like to work on this. 🙂
What do you think about this? Thanks.

Would like to see the next 10 (or even more up to 100 maybe - or customizable?) next execution times for a better view of the scheduled expression.

Example:
cron: 4/5 * * * *

next at 2020-08-13 11:59:00
then at 2020-08-13 12:04:00
then at 2020-08-13 12:09:00
then at 2020-08-13 12:14:00
then at 2020-08-13 12:19:00
.
.
.

I know I should try and open a PR, but I'll at least report it for now 🙂

I tried adding the cron 4-29/12,39-59/12 * * * *, and got the output:

Every 12,39-59 seconds, seconds 4 through 29 past the minute

Which doesn't look quiiiiite right. It should be:

Every 12th minute from 4 through 29, and every 12th minute from 39 through 59.