Function isModifierRequired

app/src/static/js/react-bootstrap.js:4349–4366

* Helper used to know if the given modifier depends from another one. * It checks if the needed modifier is listed and enabled. * @method * @memberof Popper.Utils * @param {Array} modifiers - list of modifiers * @param {String} requestingName - name of requesting modifier * @param {Strin

(modifiers, requestingName, requestedName)

function isModifierRequired(modifiers, requestingName, requestedName) {
  var requesting = find(modifiers, function (_ref) {
    var name = _ref.name;
    return name === requestingName;
  });
  var isRequired = !!requesting && modifiers.some(function (modifier) {
    return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;
  });

  if (!isRequired) {
    var _requesting = '`' + requestingName + '`';

    var requested = '`' + requestedName + '`';
    console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');
  }

  return isRequired;
}
/**
 * @function
 * @memberof Modifiers