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"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _jsxAstUtils = require("jsx-ast-utils");
var _languageTags = _interopRequireDefault(require("language-tags"));
var _schemas = require("../util/schemas");
var _getElementType = _interopRequireDefault(require("../util/getElementType"));
/**
* @fileoverview Enforce lang attribute has a valid value.
* @author Ethan Cohen
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var errorMessage = 'lang attribute must have a valid value.';
var schema = (0, _schemas.generateObjSchema)();
var _default = {
meta: {
docs: {
url: 'https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/tree/HEAD/docs/rules/lang.md',
description: 'Enforce lang attribute has a valid value.'
},
schema: [schema]
},
create: function create(context) {
var elementType = (0, _getElementType["default"])(context);
return {
JSXAttribute: function JSXAttribute(node) {
var name = (0, _jsxAstUtils.propName)(node);
if (name && name.toUpperCase() !== 'LANG') {
return;
}
var parent = node.parent;
var type = elementType(parent);
if (type && type !== 'html') {
return;
}
var value = (0, _jsxAstUtils.getLiteralPropValue)(node); // Don't check identifiers
if (value === null) {
return;
}
if (value === undefined) {
context.report({
node,
message: errorMessage
});
return;
}
if (_languageTags["default"].check(value)) {
return;
}
context.report({
node,
message: errorMessage
});
}
};
}
};
exports["default"] = _default;
module.exports = exports.default;