#knockout-simple-validation (ksv)
This is a simple JavaScript library to validate knockout (http://knockoutjs.com) models.
My english is terrible, therefore, any revision will be welcome
##Dependencies
- jquery-1.4.1 or higher
- knockout-2.0 or higher
- momentjs-2.8 or higher
All dependencies are available in directory lib/vendor.
##Built-in validation rules
- required: Makes the observable property be required
- email: Makes the observable property accept only email
- url: Makes the observable property accept only url
- nativeDate: Makes the observable property accept only a JavaScript Date object
- date: Makes the observable property accept only a date as string in specific format
- number: Makes the observable property accept only number objects
- interger: Makes the observable property accept only number objects without decimal values.
- max: Makes the observable property accept only values less than or equals to the specified value
- min: Makes the observable property accept only values great than or equals to the specified value
- maxlength: Makes the observable property accept only string values with length less than or equals to specified value
- minlength: Makes the observable property accept only string values with length great than or equals to specified value
- rangelength: Makes the observable property accept only string values with length in specified range
- equalsTo: Makes the observalbe property accept only values equals to other property
- remote: Makes the observable property to request a resource to check if value is valid
##Quickstart To use ksv in your project you have include the ksv.js script and its dependencies in your page.
The two examples below demonstrate a basic use of the library.
<html>
<head>
<title>knockout simple validation (ksv) - simple example</title>
</head>
<body>
<form>
<labe for="name">Name:</label><br/>
<input type="text" id="name" data-bind="value: name"><br/>
<span data-bind="text: name.error"></span><br/><br/>
<labe for="email">E-mail:</label><br/>
<input type="text" id="email" data-bind="value: email"><br/>
<span data-bind="text: email.error"></span><br/>
</form>
<script src="assets/js/vendor/jquery-2.1.1.min.js"></script>
<script src="assets/js/vendor/knockout-3.2.0.min.js"></script>
<script src="assets/js/vendor/moment-2.8.3.min.js"></script>
<script src="assets/js/vendor/ksv.min.js"></script>
<script>
function PersonModel() {
this.name = ko.observable().extend({validator: {required: true}});
this.email = ko.observable().extend({validator: {required: true, email: true}});
this.age = ko.observable().extend({validator: {number: true, min: 18, max: 90}});
}
var personModel = new PersonModel();
ko.applyBindings(personModel);
</script>
</body>
</html><html>
<head>
<title>knockout simple validation (ksv)</title>
</head>
<body>
<form>
<labe for="name">Name:</label><br/>
<input type="text" id="name" data-bind="value: name"><br/>
<span data-bind="text: name.error"></span><br/><br/>
<labe for="email">E-mail:</label><br/>
<input type="text" id="email" data-bind="value: email"><br/>
<span data-bind="text: email.error"></span><br/>
<input type="submit" value="Submit" data-bind="enable: isValid">
</form>
<script src="assets/js/vendor/jquery-2.1.1.min.js"></script>
<script src="assets/js/vendor/knockout-3.2.0.min.js"></script>
<script src="assets/js/vendor/moment-2.8.3.min.js"></script>
<script src="assets/js/vendor/ksv.min.js"></script>
<script>
function PersonModel() {
var ksvForThis = ksv.notification.makeObservable(this);
this.name = ksvForThis.validatable('name', {required: true});
this.email = ksvForThis.validatable('email', {required: true, email: true});
}
var personModel = new PersonModel();
ko.applyBindings(personModel);
</script>
</body>
</html>