index.js

'use strict';

const RSVP = require('rsvp');
const appInstance = require('./app');
const AppConstructor = require('./app/constructor');
const DOM = require('./dom');
const Server = require('./server');
const Helpers = require('./server/helpers');

const modules = require('./module');

const {
  extend
} = $;

$.ajaxSetup({
  cache: false,
  dataType: 'text'
});

// set global promise error handler
RSVP.on('error', function(reason) {
  console.assert(false, reason);
});

$(() => {

  // initialize the application and attach in to the instance module
  const app = new AppConstructor();
  extend(true, appInstance, app);

  // load modules to the global scope so they can be evaled
  extend(true, window, modules);

  Server.loadCategories().then((data) => {
    appInstance.setCategories(data);
    DOM.showCategories();

    // determine if the app is loading a pre-existing scratch-pad
    // or the home page
    const gistID = Helpers.getParameterByName('scratch-paper');
    if (gistID) {
      Server.loadScratchPaper(gistID).then(({
        category,
        algorithm,
        data
      }) => {
        DOM.showAlgorithm(category, algorithm, data);
      });
    } else {
      DOM.showFirstAlgorithm();
    }

  });
});