| "use strict"; |
| |
| var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); |
| |
| var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray")); |
| |
| var _jsxAstUtils = require("jsx-ast-utils"); |
| |
| var _arrayIncludes = _interopRequireDefault(require("array-includes")); |
| |
| var _schemas = require("../util/schemas"); |
| |
| var _isDOMElement = _interopRequireDefault(require("../util/isDOMElement")); |
| |
| var _isInteractiveElement = _interopRequireDefault(require("../util/isInteractiveElement")); |
| |
| var _isInteractiveRole = _interopRequireDefault(require("../util/isInteractiveRole")); |
| |
| var _mayHaveAccessibleLabel = _interopRequireDefault(require("../util/mayHaveAccessibleLabel")); |
| |
| /** |
| * @fileoverview Enforce controls are associated with a text label. |
| * @author Jesse Beach |
| * |
| * |
| */ |
| // ---------------------------------------------------------------------------- |
| // Rule Definition |
| // ---------------------------------------------------------------------------- |
| var errorMessage = 'A control must be associated with a text label.'; |
| var ignoreList = ['link']; |
| var schema = (0, _schemas.generateObjSchema)({ |
| labelAttributes: _schemas.arraySchema, |
| controlComponents: _schemas.arraySchema, |
| ignoreElements: _schemas.arraySchema, |
| ignoreRoles: _schemas.arraySchema, |
| depth: { |
| description: 'JSX tree depth limit to check for accessible label', |
| type: 'integer', |
| minimum: 0 |
| } |
| }); |
| module.exports = { |
| meta: { |
| docs: {}, |
| schema: [schema] |
| }, |
| create: function create(context) { |
| var options = context.options[0] || {}; |
| var _options$labelAttribu = options.labelAttributes, |
| labelAttributes = _options$labelAttribu === void 0 ? [] : _options$labelAttribu, |
| _options$controlCompo = options.controlComponents, |
| controlComponents = _options$controlCompo === void 0 ? [] : _options$controlCompo, |
| _options$ignoreElemen = options.ignoreElements, |
| ignoreElements = _options$ignoreElemen === void 0 ? [] : _options$ignoreElemen, |
| _options$ignoreRoles = options.ignoreRoles, |
| ignoreRoles = _options$ignoreRoles === void 0 ? [] : _options$ignoreRoles; |
| var newIgnoreElements = new Set([].concat((0, _toConsumableArray2["default"])(ignoreElements), ignoreList)); |
| |
| var rule = function rule(node) { |
| var tag = (0, _jsxAstUtils.elementType)(node.openingElement); |
| var role = (0, _jsxAstUtils.getLiteralPropValue)((0, _jsxAstUtils.getProp)(node.openingElement.attributes, 'role')); // Ignore interactive elements that might get their label from a source |
| // that cannot be discerned from static analysis, like |
| // <label><input />Save</label> |
| |
| if (newIgnoreElements.has(tag)) { |
| return; |
| } // Ignore roles that are "interactive" but should not require a label. |
| |
| |
| if ((0, _arrayIncludes["default"])(ignoreRoles, role)) { |
| return; |
| } |
| |
| var props = node.openingElement.attributes; |
| var nodeIsDOMElement = (0, _isDOMElement["default"])(tag); |
| var nodeIsInteractiveElement = (0, _isInteractiveElement["default"])(tag, props); |
| var nodeIsInteractiveRole = (0, _isInteractiveRole["default"])(tag, props); |
| var nodeIsControlComponent = controlComponents.indexOf(tag) > -1; |
| var hasAccessibleLabel = true; |
| |
| if (nodeIsInteractiveElement || nodeIsDOMElement && nodeIsInteractiveRole || nodeIsControlComponent) { |
| // Prevent crazy recursion. |
| var recursionDepth = Math.min(options.depth === undefined ? 2 : options.depth, 25); |
| hasAccessibleLabel = (0, _mayHaveAccessibleLabel["default"])(node, recursionDepth, labelAttributes); |
| } |
| |
| if (!hasAccessibleLabel) { |
| context.report({ |
| node: node.openingElement, |
| message: errorMessage |
| }); |
| } |
| }; // Create visitor selectors. |
| |
| |
| return { |
| JSXElement: rule |
| }; |
| } |
| }; |