sbis3-node-ws/core/tmpl/js/helpers/requireFile.js

Модуль позволяет использовать ядро интерфейсного фреймворка sbis3-ws(`core.js`) и модуль работы с данными (`Source.js`) в приложении на nodejs.

define('js!Core/tmpl/js/helpers/requireFile', ['js!Core/tmpl/js/helpers/utils', 'js!Core/tmpl/js/helpers/State', 'js!Core/tmpl/js/helpers/errorHandling'], function requireFileLoader(utils, State, errorHandling) {
   'use strict';
   return function requireFile(url) {
      var isNode = utils.isNode(),
         resolver = function resolver(templatePath, ext) {
            return templatePath + '.' + ext;
         },
         pathResolver = (this.resolver !== undefined) ? this.resolver : resolver,
         path = pathResolver(url, 'tmpl');

      /**
       * If not node environment -> create empty requirejs module
       *
       */
      if (isNode === false) {
         define('fs', function restrainFs() {
            return {};
         });
      }

      /**
       * Create XMLHttpRequest
       * @param  {String} url
       * @return {Object}     XMLHttpRequest
       */
      function createRequest(url) {
         var request = new XMLHttpRequest();
         request.open('GET', url);
         request.send();
         return request;
      }

      /**
       * Read file with help of FileSystemApi
       * @param  {String} url
       * @return {Object}     State promise
       */
      function readFileFs(url) {
         var fs,
            state = State.make();
         try {
            fs = requirejs('fs');
         } catch (e) {
            errorHandling("There is no requirejs for node included");
         }
         fs.readFile(url, function readFileCallback(err, data) {
            if (err) {
               state.break(err);
            } else {
               state.keep(this.parse(data));
            }
         }.bind(this));
         return state.promise;
      }

      /**
       * Read file with XMLHttpRequest
       * @param  {String} url
       * @return {Object}     State Promise
       */
      function readFileXMLHttpRequest(url) {
         var state = State.make(),
            req = createRequest(url);
         req.onreadystatechange = function requestHandler() {
            if (req.readyState === 4 && req.status === 200) {
               state.keep(this.parse(req.responseText));
            }
         }.bind(this);
         return state.promise;
      }

      if (isNode) {
         return readFileFs.call(this, path);
      }

      return readFileXMLHttpRequest.call(this, path);
   };
});