html-has-lang.js
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"use strict";
var _jsxAstUtils = require("jsx-ast-utils");
var _schemas = require("../util/schemas");
/**
* @fileoverview Enforce html element has lang prop.
* @author Ethan Cohen
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var errorMessage = '<html> elements must have the lang prop.';
var schema = (0, _schemas.generateObjSchema)();
module.exports = {
meta: {
docs: {
url: 'https://github.com/evcohen/eslint-plugin-jsx-a11y/tree/master/docs/rules/html-has-lang.md'
},
schema: [schema]
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var type = (0, _jsxAstUtils.elementType)(node);
if (type && type !== 'html') {
return;
}
var lang = (0, _jsxAstUtils.getPropValue)((0, _jsxAstUtils.getProp)(node.attributes, 'lang'));
if (lang) {
return;
}
context.report({
node,
message: errorMessage
});
}
};
}
};