charts-8.x-4.x-dev/modules/charts_highcharts/js/charts_highcharts.js

/**
 * @file
 * JavaScript's integration between Highcharts and Drupal.
 */

/* global Highcharts */
(function (Drupal, once, drupalSettings) {
  Drupal.behaviors.chartsHighcharts = {
    attach(context) {
      const contents = new Drupal.Charts.Contents();
      if (
        drupalSettings.hasOwnProperty('charts') &&
        drupalSettings.charts.highcharts.global_options
      ) {
        Highcharts.setOptions(drupalSettings.charts.highcharts.global_options);
      }
      once('charts-highchart', '.charts-highchart', context).forEach(
        function (element) {
          const id = element.id;
          const config = contents.getData(id);
          if (!config) {
            return;
          }

          config.chart.renderTo = id;
          new Highcharts.Chart(config);
          if (
            element.nextElementSibling &&
            element.nextElementSibling.hasAttribute(
              'data-charts-debug-container',
            )
          ) {
            element.nextElementSibling.querySelector('code').innerText =
              JSON.stringify(config, null, ' ');
          }
        },
      );
    },
    detach(context, settings, trigger) {
      if (trigger === 'unload') {
        once('charts-highchart-detach', '.charts-highchart', context).forEach(
          function (element) {
            if (!element.dataset.hasOwnProperty('highchartsChart')) {
              return;
            }
            Highcharts.charts[element.dataset.highchartsChart].destroy();
          },
        );
      }
    },
  };
})(Drupal, once, drupalSettings);