Permalink
Cannot retrieve contributors at this time
72 lines (68 sloc)
2.85 KB
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
codeql-action/node_modules/eslint-plugin-jsx-a11y/lib/rules/img-redundant-alt.js
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
"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 _schemas = require("../util/schemas"); | |
var _getElementType = _interopRequireDefault(require("../util/getElementType")); | |
var _isHiddenFromScreenReader = _interopRequireDefault(require("../util/isHiddenFromScreenReader")); | |
/** | |
* @fileoverview Enforce img alt attribute does not have the word image, picture, or photo. | |
* @author Ethan Cohen | |
*/ | |
// ---------------------------------------------------------------------------- | |
// Rule Definition | |
// ---------------------------------------------------------------------------- | |
var REDUNDANT_WORDS = ['image', 'photo', 'picture']; | |
var errorMessage = 'Redundant alt attribute. Screen-readers already announce `img` tags as an image. You don’t need to use the words `image`, `photo,` or `picture` (or any specified custom words) in the alt prop.'; | |
var schema = (0, _schemas.generateObjSchema)({ | |
components: _schemas.arraySchema, | |
words: _schemas.arraySchema | |
}); | |
var _default = { | |
meta: { | |
docs: { | |
url: 'https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/tree/HEAD/docs/rules/img-redundant-alt.md', | |
description: 'Enforce `<img>` alt prop does not contain the word "image", "picture", or "photo".' | |
}, | |
schema: [schema] | |
}, | |
create: function create(context) { | |
var elementType = (0, _getElementType["default"])(context); | |
return { | |
JSXOpeningElement: function JSXOpeningElement(node) { | |
var options = context.options[0] || {}; | |
var componentOptions = options.components || []; | |
var typesToValidate = ['img'].concat(componentOptions); | |
var nodeType = elementType(node); | |
// Only check 'label' elements and custom types. | |
if (typesToValidate.indexOf(nodeType) === -1) { | |
return; | |
} | |
var altProp = (0, _jsxAstUtils.getProp)(node.attributes, 'alt'); | |
// Return if alt prop is not present. | |
if (altProp === undefined) { | |
return; | |
} | |
var value = (0, _jsxAstUtils.getLiteralPropValue)(altProp); | |
var isVisible = (0, _isHiddenFromScreenReader["default"])(nodeType, node.attributes) === false; | |
var _options$words = options.words, | |
words = _options$words === void 0 ? [] : _options$words; | |
var redundantWords = REDUNDANT_WORDS.concat(words); | |
if (typeof value === 'string' && isVisible) { | |
var hasRedundancy = new RegExp("(?!{)\\b(".concat(redundantWords.join('|'), ")\\b(?!})"), 'i').test(value); | |
if (hasRedundancy === true) { | |
context.report({ | |
node, | |
message: errorMessage | |
}); | |
} | |
} | |
} | |
}; | |
} | |
}; | |
exports["default"] = _default; | |
module.exports = exports.default; |