@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 _ = require('lodash');

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

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

const jsonrpc = require('./jsonrpc')(cmsHost);

const openApiPathToRegExp = require('./openApiPathToRegExp');
/**
 * 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 = () => jsonrpc.init().then(requestor => requestor.execute([{
  jsonrpc: '2.0',
  method: 'jsonapi.metadata',
  id: 'req-jsonapi.metadata'
}])).then(res => {
  const response = [].concat(res).pop(); // Contenta CMS will send the paths as the Open API specification, we need
  // them to match incoming requests so we transform them into regular
  // expressions.

  const paths = openApiPathToRegExp(Object.keys(_.get(response, 'result.openApi.paths', {})));
  return {
    jsonrpc: '2.0',
    id: 'req-jsonapi.metadata',
    result: {
      basePath: _.get(response, 'result.openApi.basePath', ''),
      paths: JSON.stringify(paths)
    }
  };
}).catch(error => {
  // If a particular fetcher returns an error, log it then swallow.
  logger.error(error);
  return error;
}).then(res => [{
  jsonApiPrefix: 'basePath',
  jsonApiPaths: 'paths'
}, res]);