tribe/facets/extensions.js

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

module.exports = function (api) {
    var facet = require('tribe.pubsub/facet');

    facet.prototype.isDistributed = function () {
        this.metadata.isDistributed = true;
    };

    facet.prototype.requires = function (path) {
        if (path.charAt(0) !== '/')
            path = '/' + path;

        // this is not ideal...
        if (this.scope)
            // if we've got an id, we're creating a real facet and we have previously created dependencies for this facet, just return it
            return this.dependencies[path];
        else {
            // if we don't have an id, we're simply capturing the facet's metadata. store the dependency path and return an "empty" facet
            this.metadata.dependencies = this.metadata.dependencies || [];
            this.metadata.dependencies.push(path);
            return api.create(this.pubsub, path).instance;
        }
    };

    facet.prototype.release = function () {
        this.pubsub.releaseFacet(this);
        this.end();
    };
}