Method renderModel

js/src/mimeExtension.ts:55–74

* Render Plotly into this widget's node.

(model: IRenderMime.IMimeModel)

   * Render Plotly into this widget's node.
   */
  renderModel(model: IRenderMime.IMimeModel): Promise<void> {
    if (this.hasGraphElement()) {
      // We already have a graph, don't overwrite it
      return Promise.resolve();
    }

    // Save off reference to model so that we can regenerate the plot later
    this._model = model;

    // Check for PNG data in mime bundle
    const png_data = <string>model.data["image/png"];
    if (png_data !== undefined && png_data !== null) {
      // We have PNG data, use it
      this.updateImage(png_data);
      return Promise.resolve();
    } else {
      // Create a new graph
      return this.createGraph(model);
    }
  }

  private hasGraphElement() {
    // Check for the presence of the .plot-container element that plotly.js