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/*!
* Module dependencies.
*/
var utils = require('../utils');
var SchemaType = require('../schematype');
/**
* Boolean SchemaType constructor.
*
* @param {String} path
* @param {Object} options
* @inherits SchemaType
* @api public
*/
function SchemaBoolean(path, options) {
SchemaType.call(this, path, options, 'Boolean');
}
/**
* This schema type's name, to defend against minifiers that mangle
* function names.
*
* @api public
*/
SchemaBoolean.schemaName = 'Boolean';
/*!
* Inherits from SchemaType.
*/
SchemaBoolean.prototype = Object.create(SchemaType.prototype);
SchemaBoolean.prototype.constructor = SchemaBoolean;
/**
* Check if the given value satisfies a required validator. For a boolean
* to satisfy a required validator, it must be strictly equal to true or to
* false.
*
* @param {Any} value
* @return {Boolean}
* @api public
*/
SchemaBoolean.prototype.checkRequired = function(value) {
return value === true || value === false;
};
/**
* Casts to boolean
*
* @param {Object} value
* @api private
*/
SchemaBoolean.prototype.cast = function(value) {
if (value === null) {
return value;
}
if (value === '0') {
return false;
}
if (value === 'true') {
return true;
}
if (value === 'false') {
return false;
}
return !!value;
};
SchemaBoolean.$conditionalHandlers =
utils.options(SchemaType.prototype.$conditionalHandlers, {});
/**
* Casts contents for queries.
*
* @param {String} $conditional
* @param {any} val
* @api private
*/
SchemaBoolean.prototype.castForQuery = function($conditional, val) {
var handler;
if (arguments.length === 2) {
handler = SchemaBoolean.$conditionalHandlers[$conditional];
if (handler) {
return handler.call(this, val);
}
return this.cast(val);
}
return this.cast($conditional);
};
/*!
* Module exports.
*/
module.exports = SchemaBoolean;
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