node_modules/eslint-plugin-jsx-a11y/lib/rules/accessible-emoji.js

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _emojiRegex = _interopRequireDefault(require("emoji-regex"));

var _jsxAstUtils = require("jsx-ast-utils");

var _schemas = require("../util/schemas");

var _isHiddenFromScreenReader = _interopRequireDefault(require("../util/isHiddenFromScreenReader"));

/**
 * @fileoverview Enforce emojis are wrapped in <span> and provide screenreader access.
 * @author Ethan Cohen
 */
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var errorMessage = 'Emojis should be wrapped in <span>, have role="img", and have an accessible description with aria-label or aria-labelledby.';
var schema = (0, _schemas.generateObjSchema)();
module.exports = {
  meta: {
    docs: {
      url: 'https://github.com/evcohen/eslint-plugin-jsx-a11y/tree/master/docs/rules/accessible-emoji.md'
    },
    schema: [schema]
  },
  create: function create(context) {
    return {
      JSXOpeningElement: function JSXOpeningElement(node) {
        var literalChildValue = node.parent.children.find(function (child) {
          return child.type === 'Literal' || child.type === 'JSXText';
        });

        if (literalChildValue && (0, _emojiRegex["default"])().test(literalChildValue.value)) {
          var elementIsHidden = (0, _isHiddenFromScreenReader["default"])((0, _jsxAstUtils.elementType)(node), node.attributes);

          if (elementIsHidden) {
            return; // emoji is decorative
          }

          var rolePropValue = (0, _jsxAstUtils.getLiteralPropValue)((0, _jsxAstUtils.getProp)(node.attributes, 'role'));
          var ariaLabelProp = (0, _jsxAstUtils.getProp)(node.attributes, 'aria-label');
          var arialLabelledByProp = (0, _jsxAstUtils.getProp)(node.attributes, 'aria-labelledby');
          var hasLabel = ariaLabelProp !== undefined || arialLabelledByProp !== undefined;
          var isSpan = (0, _jsxAstUtils.elementType)(node) === 'span';

          if (hasLabel === false || rolePropValue !== 'img' || isSpan === false) {
            context.report({
              node,
              message: errorMessage
            });
          }
        }
      }
    };
  }
};