Function addOption

static/bootstrap-select-1.13.18/js/bootstrap-select.js:1527–1564

(option, config)

      }

      function addOption (option, config) {
        config = config || {};

        config.divider = option.getAttribute('data-divider') === 'true';

        if (config.divider) {
          addDivider({
            optID: config.optID
          });
        } else {
          var liIndex = mainData.length,
              cssText = option.style.cssText,
              inlineStyle = cssText ? htmlEscape(cssText) : '',
              optionClass = (option.className || '') + (config.optgroupClass || '');

          if (config.optID) optionClass = 'opt ' + optionClass;

          config.optionClass = optionClass.trim();
          config.inlineStyle = inlineStyle;
          config.text = option.textContent;

          config.content = option.getAttribute('data-content');
          config.tokens = option.getAttribute('data-tokens');
          config.subtext = option.getAttribute('data-subtext');
          config.icon = option.getAttribute('data-icon');

          option.liIndex = liIndex;

          config.display = config.content || config.text;
          config.type = 'option';
          config.index = liIndex;
          config.option = option;
          config.selected = !!option.selected;
          config.disabled = config.disabled || !!option.disabled;

          mainData.push(config);
        }
      }

      function addOptgroup (index, selectOptions) {
        var optgroup = selectOptions[index],