A set of helpful and usual functions for browser and node.
npm install bellajs
BellaJS does not require any dependency.
var Bella = require('bellajs');
console.log(Bella.date.utc());
I assume there is a file bella.min.js located at "/public/js/lib/", the following ways can be used to include BellaJS:
<script type="text/javascript" src="/public/js/lib/bella.min.js"></script>
System.config({
baseURL: '/public/js/lib',
map: {
bella: 'bella.min'
}
});
System.import('bella').then(function(Bella){
console.log(Bella.date.utc());
});
require.config({
baseUrl: '/public/js/lib',
paths: {
bella: 'bella.min'
}
});
requirejs('bella'], function(Bella){
console.log(Bella.date.utc());
});
Default pattern is 'D, M d, Y H:i:s A'. Without any parameter, Bella.date.format() return a string related to current time, in the format of default pattern.
BellaJS' datetime pattern is familiar with PHP developers than MomentJS. The available characters in the pattern are:
- Y: full year, ex: 2050
- y: short year, ex: 50
- F: full month name, ex: August
- M: short month name, ex: Aug
- m: month index with zero, ex: 08 (in 08/24/2050)
- n: short month name with no zero, ex: 8 (in 8/24/2050)
- S: the ordering subfix for date, ext: 1st, 2nd, 3rd, 4th
- j: day of the month, with no zero, ex: 3 (in 18/3/2050)
- d: day of the month, with zero, ex: 03 (in 18/03/2050)
- t: date in year
- w: weekday in number
- l: long name of weekday, ex: Sunday
- D: short name of weekday, ex: Sun
- G: hour, with no zero: 0 - 24
- g: hour, with no zero: 0 - 12
- h: hour, with zero: 00 - 24
- H: hour, with zero: 00 - 12
- i: minute: 00 - 59
- s: second: 00 - 59
- a: am, pm
- A: AM, PM
- O: timezone offset
Almost cases it maybe better if we use Bella.scheduler instead of setInterval or setTimeout, because it runs only one timer for the entire process. Regarding parameter "pattern" for Bella.scheduler.every, it may be:
1, A string in the format of 'Y m d H i s'.
For example:
- Bella.scheduler.every('2040 05 16 15 30 10', callback);
--> run callback at 15:30:10 on May 16, 2040
- Bella.scheduler.every('* 05 16 15 30 10', callback);
--> run callback at 15:30:10 on May 16 of years
--> similar to yearly('05 16 15 30 10', callback)
- Bella.scheduler.every('* * 16 15 30 10', callback);
--> run callback at 15:30:10 on the 16th of months
--> similar to monthly('16 15 30 10', callback)
- Bella.scheduler.every('* * * 15 30 10', callback);
--> run callback at 15:30:10 of days
--> similar to daily('15 30 10', callback)
- Bella.scheduler.every('* * * * 30 10', callback);
--> run callback at the 10th second of the 30th minute of hours
--> similar to hourly('30 10', callback)
- Bella.scheduler.every('* * * * * 10', callback);
--> run callback at the 10th second of minutes.
2, A string in the format of 'weekday H:i:s'.
For example:
- Bella.scheduler.every('sunday 15:30:10', callback);
--> run callback on Sundays at 15:30:10
- Bella.scheduler.every('sunday 15:30', callback);
--> run callback on Sundays at 15:30:00
- Bella.scheduler.every('sunday 15', callback);
--> run callback on Sundays at 15:00:00
It's possible to use "sun" instead of "sunday", "mon" for "monday", and so on.
3, A string in the format of 'N unit'.
For example:
- Bella.scheduler.every('5m', callback)
--> call callback after every 5 minutes
- Bella.scheduler.once('5h', callback)
--> call callback after 5 minutes, then stop
The available units: d (days), h (hours), b (minutes), s (seconds).
Bella.scheduler.once do the same thing as Bella.scheduler.every, but just once. The remain fours methods just are the shortcuts.
/test/SpecRunner.html
FAQs
A useful helper for any javascript program
The npm package bellajs receives a total of 13,384 weekly downloads. As such, bellajs popularity was classified as popular.
We found that bellajs demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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