ddd-jquery/attributes/val.js

de-bowerified, de-amdified, de-gruntified... jQuery.

var jQuery = require('../core'), support = require('./support'), __unnameddep__ = require('../core/init');
var rreturn = /\r/g;
jQuery.fn.extend({
    val: function (value) {
        var hooks, ret, isFunction, elem = this[0];
        if (!arguments.length) {
            if (elem) {
                hooks = jQuery.valHooks[elem.type] || jQuery.valHooks[elem.nodeName.toLowerCase()];
                if (hooks && 'get' in hooks && (ret = hooks.get(elem, 'value')) !== undefined) {
                    return ret;
                }
                ret = elem.value;
                return typeof ret === 'string' ? ret.replace(rreturn, '') : ret == null ? '' : ret;
            }
            return;
        }
        isFunction = jQuery.isFunction(value);
        return this.each(function (i) {
            var val;
            if (this.nodeType !== 1) {
                return;
            }
            if (isFunction) {
                val = value.call(this, i, jQuery(this).val());
            } else {
                val = value;
            }
            if (val == null) {
                val = '';
            } else if (typeof val === 'number') {
                val += '';
            } else if (jQuery.isArray(val)) {
                val = jQuery.map(val, function (value) {
                    return value == null ? '' : value + '';
                });
            }
            hooks = jQuery.valHooks[this.type] || jQuery.valHooks[this.nodeName.toLowerCase()];
            if (!hooks || !('set' in hooks) || hooks.set(this, val, 'value') === undefined) {
                this.value = val;
            }
        });
    }
});
jQuery.extend({
    valHooks: {
        option: {
            get: function (elem) {
                var val = elem.attributes.value;
                return !val || val.specified ? elem.value : elem.text;
            }
        },
        select: {
            get: function (elem) {
                var value, option, options = elem.options, index = elem.selectedIndex, one = elem.type === 'select-one' || index < 0, values = one ? null : [], max = one ? index + 1 : options.length, i = index < 0 ? max : one ? index : 0;
                for (; i < max; i++) {
                    option = options[i];
                    if ((option.selected || i === index) && (support.optDisabled ? !option.disabled : option.getAttribute('disabled') === null) && (!option.parentNode.disabled || !jQuery.nodeName(option.parentNode, 'optgroup'))) {
                        value = jQuery(option).val();
                        if (one) {
                            return value;
                        }
                        values.push(value);
                    }
                }
                return values;
            },
            set: function (elem, value) {
                var optionSet, option, options = elem.options, values = jQuery.makeArray(value), i = options.length;
                while (i--) {
                    option = options[i];
                    if (option.selected = jQuery.inArray(jQuery(option).val(), values) >= 0) {
                        optionSet = true;
                    }
                }
                if (!optionSet) {
                    elem.selectedIndex = -1;
                }
                return values;
            }
        }
    }
});
jQuery.each([
    'radio',
    'checkbox'
], function () {
    jQuery.valHooks[this] = {
        set: function (elem, value) {
            if (jQuery.isArray(value)) {
                return elem.checked = jQuery.inArray(jQuery(elem).val(), value) >= 0;
            }
        }
    };
    if (!support.checkOn) {
        jQuery.valHooks[this].get = function (elem) {
            return elem.getAttribute('value') === null ? 'on' : elem.value;
        };
    }
});