e-lado
Version:
[](https://circleci.com/gh/sharetribe/sharetribe/tree/master) [](https://gemnasium.com/sharetribe/shar
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JavaScript
/**
* @fileoverview Enforce anchor elements to contain accessible content.
* @author Lisa Ring & Niklas Holmberg
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
import { elementType, hasAnyProp } from 'jsx-ast-utils';
import { arraySchema, generateObjSchema } from '../util/schemas';
import isHiddenFromScreenReader from '../util/isHiddenFromScreenReader';
const errorMessage =
'Anchors must have content and the content must be accessible by a screen reader.';
const schema = generateObjSchema({ components: arraySchema });
const determineChildType = (child) => {
switch (child.type) {
case 'Literal':
return Boolean(child.value);
case 'JSXElement':
return !isHiddenFromScreenReader(
elementType(child.openingElement),
child.openingElement.attributes);
case 'JSXExpressionContainer':
if (child.expression.type === 'Identifier') {
return child.expression.name !== 'undefined';
}
return true;
default:
return false;
}
};
module.exports = {
determineChildType,
meta: {
docs: {},
schema: [schema],
},
create: context => ({
JSXOpeningElement: (node) => {
const options = context.options[0] || {};
const componentOptions = options.components || [];
const typeCheck = ['a'].concat(componentOptions);
const nodeType = elementType(node);
// Only check anchor elements and custom types.
if (typeCheck.indexOf(nodeType) === -1) {
return;
}
const isAccessible = node.parent.children.some(
determineChildType,
) || hasAnyProp(node.attributes, ['dangerouslySetInnerHTML', 'children']);
if (isAccessible) {
return;
}
context.report({
node,
message: errorMessage,
});
},
}),
};