ddd-jquery/attributes/classes.js

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

var jQuery = require('../core'), rnotwhite = require('../var/rnotwhite'), strundefined = require('../var/strundefined'), data_priv = require('../data/var/data_priv'), __unnameddep__ = require('../core/init');
var rclass = /[\t\r\n\f]/g;
jQuery.fn.extend({
    addClass: function (value) {
        var classes, elem, cur, clazz, j, finalValue, proceed = typeof value === 'string' && value, i = 0, len = this.length;
        if (jQuery.isFunction(value)) {
            return this.each(function (j) {
                jQuery(this).addClass(value.call(this, j, this.className));
            });
        }
        if (proceed) {
            classes = (value || '').match(rnotwhite) || [];
            for (; i < len; i++) {
                elem = this[i];
                cur = elem.nodeType === 1 && (elem.className ? (' ' + elem.className + ' ').replace(rclass, ' ') : ' ');
                if (cur) {
                    j = 0;
                    while (clazz = classes[j++]) {
                        if (cur.indexOf(' ' + clazz + ' ') < 0) {
                            cur += clazz + ' ';
                        }
                    }
                    finalValue = jQuery.trim(cur);
                    if (elem.className !== finalValue) {
                        elem.className = finalValue;
                    }
                }
            }
        }
        return this;
    },
    removeClass: function (value) {
        var classes, elem, cur, clazz, j, finalValue, proceed = arguments.length === 0 || typeof value === 'string' && value, i = 0, len = this.length;
        if (jQuery.isFunction(value)) {
            return this.each(function (j) {
                jQuery(this).removeClass(value.call(this, j, this.className));
            });
        }
        if (proceed) {
            classes = (value || '').match(rnotwhite) || [];
            for (; i < len; i++) {
                elem = this[i];
                cur = elem.nodeType === 1 && (elem.className ? (' ' + elem.className + ' ').replace(rclass, ' ') : '');
                if (cur) {
                    j = 0;
                    while (clazz = classes[j++]) {
                        while (cur.indexOf(' ' + clazz + ' ') >= 0) {
                            cur = cur.replace(' ' + clazz + ' ', ' ');
                        }
                    }
                    finalValue = value ? jQuery.trim(cur) : '';
                    if (elem.className !== finalValue) {
                        elem.className = finalValue;
                    }
                }
            }
        }
        return this;
    },
    toggleClass: function (value, stateVal) {
        var type = typeof value;
        if (typeof stateVal === 'boolean' && type === 'string') {
            return stateVal ? this.addClass(value) : this.removeClass(value);
        }
        if (jQuery.isFunction(value)) {
            return this.each(function (i) {
                jQuery(this).toggleClass(value.call(this, i, this.className, stateVal), stateVal);
            });
        }
        return this.each(function () {
            if (type === 'string') {
                var className, i = 0, self = jQuery(this), classNames = value.match(rnotwhite) || [];
                while (className = classNames[i++]) {
                    if (self.hasClass(className)) {
                        self.removeClass(className);
                    } else {
                        self.addClass(className);
                    }
                }
            } else if (type === strundefined || type === 'boolean') {
                if (this.className) {
                    data_priv.set(this, '__className__', this.className);
                }
                this.className = this.className || value === false ? '' : data_priv.get(this, '__className__') || '';
            }
        });
    },
    hasClass: function (selector) {
        var className = ' ' + selector + ' ', i = 0, l = this.length;
        for (; i < l; i++) {
            if (this[i].nodeType === 1 && (' ' + this[i].className + ' ').replace(rclass, ' ').indexOf(className) >= 0) {
                return true;
            }
        }
        return false;
    }
});