Method loadAlgorithm

src/components/App/index.js:147–195

({ categoryKey, algorithmKey, gistId }, { visualizationId })

  }

  loadAlgorithm({ categoryKey, algorithmKey, gistId }, { visualizationId }) {
    const { ext } = this.props.env;
    const fetch = () => {
      if (window.__PRELOADED_ALGORITHM__) {
        this.props.setAlgorithm(window.__PRELOADED_ALGORITHM__);
        delete window.__PRELOADED_ALGORITHM__;
      } else if (window.__PRELOADED_ALGORITHM__ === null) {
        delete window.__PRELOADED_ALGORITHM__;
        return Promise.reject(new Error('Algorithm Not Found'));
      } else if (categoryKey && algorithmKey) {
        return AlgorithmApi.getAlgorithm(categoryKey, algorithmKey)
          .then(({ algorithm }) => this.props.setAlgorithm(algorithm));
      } else if (gistId === 'new' && visualizationId) {
        return VisualizationApi.getVisualization(visualizationId)
          .then(content => {
            this.props.setScratchPaper({
              login: undefined,
              gistId,
              title: 'Untitled',
              files: [SCRATCH_PAPER_README_MD, createUserFile('visualization.json', JSON.stringify(content))],
            });
          });
      } else if (gistId === 'new') {
        const language = languages.find(language => language.ext === ext);
        this.props.setScratchPaper({
          login: undefined,
          gistId,
          title: 'Untitled',
          files: [SCRATCH_PAPER_README_MD, language.skeleton],
        });
      } else if (gistId) {
        return GitHubApi.getGist(gistId, { timestamp: Date.now() })
          .then(refineGist)
          .then(this.props.setScratchPaper);
      } else {
        this.props.setHome();
      }
      return Promise.resolve();
    };
    fetch()
      .then(() => {
        this.selectDefaultTab();
        return null; // to suppress unnecessary bluebird warning
      })
      .catch(error => {
        this.handleError(error);
        this.props.history.push('/');
      });
  }

  selectDefaultTab() {
    const { ext } = this.props.env;