@contentacms/contentajs/lib/helpers/fetchCmsMeta.js

A nodejs server that proxies to Contenta CMS and holds custom code.

"use strict";

const config = require('config');

const {
  PluginManager
} = require('plugnplay');

const logger = require('pino')();

const cmsHost = config.get('cms.host');

const jsonrpc = require('./jsonrpc')(cmsHost);
/**
 * Connects to the CMS to get some important bootstrap information.
 *
 * @return {Promise<JsonRpcResponse>}
 *   The data from the CMS used to initialize the node proxy.
 */


module.exports = () => {
  let requestor;
  let pluginManager; // Initialize the JSON RPC requestor.

  return jsonrpc.init().then(reqr => {
    requestor = reqr; // Instantiate a plugin manager to discover all possible
    // cms-meta-plugin-type plugins.

    pluginManager = new PluginManager({
      discovery: {
        rootPath: './{node_modules/@contentacms/**/lib,lib}/helpers/cmsMeta/plugins'
      }
    });
    return pluginManager.instantiate('cms-meta-plugin'); // Instantiate all the CMS Meta Fetchers and fetch the data.
  }).then(pluginType => // Execute fetch() for all the plugins of type cms-meta-plugin.
  Promise.all(pluginType.exports.plugins.map(descriptor => pluginManager.instantiate(descriptor.id, {
    requestor
  }).then(plugin => Promise.all([plugin.descriptor.resultMap, plugin.exports.fetch().catch(error => {
    // If a particular fetcher returns an error, log it then swallow.
    logger.error(error);
    return error;
  })])))));
};