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A simple year, month, day validator that works in both Node.js and in browsers.
JavaScript
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README.md

DateValidator

The DateValidator project is to create a simple Date validator for both client-side and server-side JavaScript. At the moment, the goal is to keep things small and focus only on ensuring Day, Month, and Year are valid. It is not intended to have the power of the node-dateutils project.

Installation

npm install DateValidator

Testing the Package

Once the package is installed, you can run the unit tests associated with the package also using NPM.

npm test DateValidator

Node Usage

DateValidator at the moment provides an object with a single method validate. The validate method expects a year, month, and day string parameters and will validate based on such.

var date_validator = require("DateValidator").DateValidator;
var is_valid = date_validator.validate("2012", "12", "31"); //true

Web Usage

DateValidator can be used in both Node.js and client-side/Web Browser environments. Below is an example for using the DateValdiator in the web browser.

Html

<script type="text/javascript" src="path/to/date-validator.js"></script>

JavaScript

var validator = DateValidator;
var is_valid = date_validator.validate("2012", "12", "31"); //true

By default, the DateValidator module places itself into the global scope in the browser. If you would prefer to NOT have it be directly attached to the window object, you can add your own namespace at the top of the date-validator.js file.

False Conditions

The validate method will return false for the following conditions:

  • if any parameter is undefined
  • if any parameter is not numeric
  • if any parameter is less than or equal to (<=) 0
  • if the month is greater than 12
  • if the day is invalid for the provided month (i.e. Feb 31);

License

Copyright (c) 2012 James Eggers

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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