extjs-gpl/packages/core/src/data/field/Boolean.js

GPL licensed version of Sencha Ext JS

/**
 */
Ext.define('Ext.data.field.Boolean', {
    extend: 'Ext.data.field.Field',

    alias: [
        'data.field.bool',
        'data.field.boolean'
    ],

    isBooleanField: true,

    /**
     * @property [trueRe]
     * Values matching this regular expression are considered `true`.
     */
    trueRe: /^\s*(?:true|yes|on|1)\s*$/i,

    convert: function (v) {
        if (typeof v === 'boolean') {
            return v;
        }
        if (this.allowNull && (v === undefined || v === null || v === '')) {
            return null;
        }
        return this.trueRe.test(String(v));
    },
    
    getType: function() {
        return 'bool';
    }
});