ddd-jquery/data.js

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

var jQuery = require('./core'), rnotwhite = require('./var/rnotwhite'), access = require('./core/access'), data_priv = require('./data/var/data_priv'), data_user = require('./data/var/data_user');
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /([A-Z])/g;
function dataAttr(elem, key, data) {
    var name;
    if (data === undefined && elem.nodeType === 1) {
        name = 'data-' + key.replace(rmultiDash, '-$1').toLowerCase();
        data = elem.getAttribute(name);
        if (typeof data === 'string') {
            try {
                data = data === 'true' ? true : data === 'false' ? false : data === 'null' ? null : +data + '' === data ? +data : rbrace.test(data) ? jQuery.parseJSON(data) : data;
            } catch (e) {
            }
            data_user.set(elem, key, data);
        } else {
            data = undefined;
        }
    }
    return data;
}
jQuery.extend({
    hasData: function (elem) {
        return data_user.hasData(elem) || data_priv.hasData(elem);
    },
    data: function (elem, name, data) {
        return data_user.access(elem, name, data);
    },
    removeData: function (elem, name) {
        data_user.remove(elem, name);
    },
    _data: function (elem, name, data) {
        return data_priv.access(elem, name, data);
    },
    _removeData: function (elem, name) {
        data_priv.remove(elem, name);
    }
});
jQuery.fn.extend({
    data: function (key, value) {
        var i, name, data, elem = this[0], attrs = elem && elem.attributes;
        if (key === undefined) {
            if (this.length) {
                data = data_user.get(elem);
                if (elem.nodeType === 1 && !data_priv.get(elem, 'hasDataAttrs')) {
                    i = attrs.length;
                    while (i--) {
                        name = attrs[i].name;
                        if (name.indexOf('data-') === 0) {
                            name = jQuery.camelCase(name.slice(5));
                            dataAttr(elem, name, data[name]);
                        }
                    }
                    data_priv.set(elem, 'hasDataAttrs', true);
                }
            }
            return data;
        }
        if (typeof key === 'object') {
            return this.each(function () {
                data_user.set(this, key);
            });
        }
        return access(this, function (value) {
            var data, camelKey = jQuery.camelCase(key);
            if (elem && value === undefined) {
                data = data_user.get(elem, key);
                if (data !== undefined) {
                    return data;
                }
                data = data_user.get(elem, camelKey);
                if (data !== undefined) {
                    return data;
                }
                data = dataAttr(elem, camelKey, undefined);
                if (data !== undefined) {
                    return data;
                }
                return;
            }
            this.each(function () {
                var data = data_user.get(this, camelKey);
                data_user.set(this, camelKey, value);
                if (key.indexOf('-') !== -1 && data !== undefined) {
                    data_user.set(this, key, value);
                }
            });
        }, null, value, arguments.length > 1, null, true);
    },
    removeData: function (key) {
        return this.each(function () {
            data_user.remove(this, key);
        });
    }
});
module.exports = jQuery;