Bookshelf plugin for introspecting tags

plugin.js

var _ = require('lodash');

module.exports = function (Bookshelf) {
    var model = Bookshelf.Model,
        collection = Bookshelf.Collection,
        modelProto = model.prototype,
        collProto = collection.prototype,
        Model,
        Collection;

    //console.log('modelProto', modelProto);
    //console.log('collProto', collProto);

    if (Bookshelf.registry) {
        console.log('registry plugin initialised');
    }

    Model = Bookshelf.Model.extend({
        constructor: function () {
            if (_.result(this, 'tableName') === 'tags') {
                console.log('Model constructing', arguments);
            }
            return modelProto.constructor.apply(this, arguments);
        },
        fetch: function () {
            if (_.result(this, 'tableName') === 'tags') {
                console.log('Model fetching', arguments);
            }
            return modelProto.fetch.apply(this, arguments);
        }
    },
    {
        forge: function () {
            if (_.result(this.prototype, 'tableName') === 'tags') {
                console.log('Model forging', arguments);
            }
            return model.forge.apply(this, arguments);
        }
    });

    Collection = Bookshelf.Collection.extend({
        constructor: function () {
            if (_.result(arguments[1].model.prototype, 'tableName') === 'tags') {
                console.log('Collection constructing', arguments);
            }
            return collProto.constructor.apply(this, arguments);
        },
        fetch: function () {
            if (_.result(this.model.prototype, 'tableName') === 'tags') {
                console.log('Collection fetching', arguments);
            }
            return collProto.fetch.apply(this, arguments);
        }
    });

    Bookshelf.Model = Model;
    Bookshelf.Collection = Collection;
};