github-pages-deploy-action/node_modules/eslint-plugin-jsx-a11y/lib/rules/accessible-emoji.js

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2020-03-07 11:45:40 +08:00
"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
});
}
}
}
};
}
};