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JavaScript date format tester.
Very lightweight (~2k min & gzip) utility function for testing if the string matches the date format.
It has only one public function test
which takes 2 parameters (string
and format
|formats
) and returns true
if string matches or false
if it doesn't.
See the example below:
test('12/04', 'YYYY/MM'); // false, doesn't match
test('2012/04', 'YYYY/MM'); // true, match
You can pass multiple formats at once:
test('12/04', ['YYYY/MM', 'YYYY/MM/DD']); // false, doesn't match
test('2012/04', ['YYYY/MM', 'YYYY/MM/DD']); // true, match
Token Month M 1 2 ... 11 12 Mo 1st 2nd ... 11th 12th MM 01 02 ... 11 12 MMM Jan Feb ... Nov Dec MMMM January February ... November December Day of Month D 1 2 ... 30 30 Do 1st 2nd ... 30th 31st DD 01 02 ... 30 31 Day of Year DDD 1 2 ... 364 365 DDDo 1st 2nd ... 364th 365th DDDD 001 002 ... 364 365 Day of Week d 0 1 ... 5 6 do 0th 1st ... 5th 6th ddd Sun Mon ... Fri Sat dddd Sunday Monday ... Friday Saturday Week of Year w 1 2 ... 52 53 wo 1st 2nd ... 52nd 53rd ww 01 02 ... 52 53 Year YY 70 71 ... 29 30 YYYY 1970 1971 ... 2029 2030 Hour H 0 1 ... 22 23 HH 00 01 ... 22 23 h 1 2 ... 11 12 hh 01 02 ... 11 12 Minute m 0 1 ... 58 59 mm 00 01 ... 58 59 Second s 0 1 ... 58 59 ss 00 01 ... 58 59
Install the module with: npm install formatjs
var FormatJS = require('formatjs');
var format = new FormatJS();
format.test('12/04', 'YYYY/MM'); // false
format.test('2012/04', 'YYYY/MM'); // true
Download the production version or the development version.
In your web page:
<script src="dist/formatjs.min.js"></script>
<script>
var format = new FormatJS();
format.test('12/04', 'YYYY/MM'); // false
format.test('2012/04', 'YYYY/MM'); // true
</script>
In your web page using AMD loader:
<script>
require(['FormatJS'], function(FormatJS) {
var format = new FormatJS();
format.test('12/04', 'YYYY/MM'); // false
format.test('2012/04', 'YYYY/MM'); // true
});
</script>
Install Node.js.
Install CoffeeScript with: npm install -g coffee-script
.
Install grunt with npm install -g grunt
.
Install dependencies with: npm install
.
In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Test your code using grunt.
Also, please don't edit files in the "dist" subdirectory as they are generated via grunt. You'll find source code in the "src" subdirectory!
Copyright (c) 2012 nowamasa
Licensed under the MIT license.
FAQs
JavaScript date format tester.
The npm package formatjs receives a total of 3,469 weekly downloads. As such, formatjs popularity was classified as popular.
We found that formatjs demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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