bootstrapvalidator
Version:
The best jQuery plugin to validate form fields. Designed to use with Bootstrap 3
60 lines (55 loc) • 2.21 kB
JavaScript
(function($) {
$.fn.bootstrapValidator.i18n.ismn = $.extend($.fn.bootstrapValidator.i18n.ismn || {}, {
'default': 'Please enter a valid ISMN number'
});
$.fn.bootstrapValidator.validators.ismn = {
/**
* Validate ISMN (International Standard Music Number)
* Examples:
* - Valid: M230671187, 979-0-0601-1561-5, 979 0 3452 4680 5, 9790060115615
* - Invalid: 9790060115614
*
* @see http://en.wikipedia.org/wiki/International_Standard_Music_Number
* @param {BootstrapValidator} validator The validator plugin instance
* @param {jQuery} $field Field element
* @param {Object} options Can consist of the following keys:
* - message: The invalid message
* @returns {Boolean}
*/
validate: function(validator, $field, options) {
var value = $field.val();
if (value === '') {
return true;
}
// Groups are separated by a hyphen or a space
var type;
switch (true) {
case /^M\d{9}$/.test(value):
case /^M-\d{4}-\d{4}-\d{1}$/.test(value):
case /^M\s\d{4}\s\d{4}\s\d{1}$/.test(value):
type = 'ISMN10';
break;
case /^9790\d{9}$/.test(value):
case /^979-0-\d{4}-\d{4}-\d{1}$/.test(value):
case /^979\s0\s\d{4}\s\d{4}\s\d{1}$/.test(value):
type = 'ISMN13';
break;
default:
return false;
}
if ('ISMN10' === type) {
value = '9790' + value.substr(1);
}
// Replace all special characters except digits
value = value.replace(/[^0-9]/gi, '');
var length = value.length,
sum = 0,
weight = [1, 3];
for (var i = 0; i < length - 1; i++) {
sum += parseInt(value.charAt(i), 10) * weight[i % 2];
}
sum = 10 - sum % 10;
return (sum + '' === value.charAt(length - 1));
}
};
}(window.jQuery));