isInteractiveRole.js

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var _ariaQuery = require("aria-query");
var _jsxAstUtils = require("jsx-ast-utils");
var _arrayIncludes = _interopRequireDefault(require("array-includes"));
var _arrayPrototype = _interopRequireDefault(require("array.prototype.flatmap"));
var roles = (0, _toConsumableArray2["default"])(_ariaQuery.roles.keys());
var interactiveRoles = roles.filter(function (name) {
  return !_ariaQuery.roles.get(name)["abstract"] && _ariaQuery.roles.get(name).superClass.some(function (klasses) {
    return (0, _arrayIncludes["default"])(klasses, 'widget');
  });
});

// 'toolbar' does not descend from widget, but it does support
// aria-activedescendant, thus in practice we treat it as a widget.
interactiveRoles.push('toolbar');
/**
 * Returns boolean indicating whether the given element has a role
 * that is associated with an interactive component. Used when an element
 * has a dynamic handler on it and we need to discern whether or not
 * its intention is to be interacted with in the DOM.
 *
 * isInteractiveRole is a Logical Disjunction:
 * https://en.wikipedia.org/wiki/Logical_disjunction
 * The JSX element does not have a tagName or it has a tagName and a role
 * attribute with a value in the set of non-interactive roles.
 */
var isInteractiveRole = function isInteractiveRole(tagName, attributes) {
  var value = (0, _jsxAstUtils.getLiteralPropValue)((0, _jsxAstUtils.getProp)(attributes, 'role'));

  // If value is undefined, then the role attribute will be dropped in the DOM.
  // If value is null, then getLiteralAttributeValue is telling us that the
  // value isn't in the form of a literal
  if (value === undefined || value === null) {
    return false;
  }
  var isInteractive = false;
  var normalizedValues = String(value).toLowerCase().split(' ');
  var validRoles = (0, _arrayPrototype["default"])(normalizedValues, function (name) {
    return (0, _arrayIncludes["default"])(roles, name) ? [name] : [];
  });
  if (validRoles.length > 0) {
    // The first role value is a series takes precedence.
    isInteractive = (0, _arrayIncludes["default"])(interactiveRoles, validRoles[0]);
  }
  return isInteractive;
};
var _default = isInteractiveRole;
exports["default"] = _default;
module.exports = exports.default;