tribe/facets/index.js

Tribe is a platform for building rich, powerful, highly scalable distributed HTML5 web and mobile systems.

var repository = require('./repository'),
    facetModule = require('tribe.pubsub/facet'),
    _ = require('underscore');

var api = module.exports = {
    register: repository.register,
    definition: repository.definition,
    indexes: function (scopes) {
        // deprecated - facets no longer specify their own scope
        var indexes = _.unique(_.reduce(repository.facets, function (indexes, facet) {
            var expression = repository.definition(facet.path).expression;
            if (expression)
                if (expression.constructor === Array) {
                    if (expression.length > 0)
                        indexes.push.apply(indexes, _.pluck(expression, 'p'));
                }  else
                    indexes.push(expression.p);
            return indexes;
        }, []));

        if(scopes)
            indexes = indexes.concat(scopes.map(function (scope) {
                return 'data.' + scope;
            }));

        return indexes;
    },
    create: function (pubsub, path, scope, dependencies) {
        var constructor = repository.facet(path).constructor;
        return new facetModule(pubsub, constructor, scope, dependencies);
    }
};

require('./extensions')(api);