127 lines
4.6 KiB
JavaScript
127 lines
4.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _jsxAstUtils = require("jsx-ast-utils");
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var _schemas = require("../util/schemas");
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var _getElementType = _interopRequireDefault(require("../util/getElementType"));
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var _mayContainChildComponent = _interopRequireDefault(require("../util/mayContainChildComponent"));
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var _mayHaveAccessibleLabel = _interopRequireDefault(require("../util/mayHaveAccessibleLabel"));
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function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
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/**
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* @fileoverview Enforce label tags have an associated control.
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* @author Jesse Beach
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*
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*
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*/
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// ----------------------------------------------------------------------------
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// Rule Definition
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// ----------------------------------------------------------------------------
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var errorMessage = 'A form label must be associated with a control.';
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var errorMessageNoLabel = 'A form label must have accessible text.';
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var schema = (0, _schemas.generateObjSchema)({
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labelComponents: _schemas.arraySchema,
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labelAttributes: _schemas.arraySchema,
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controlComponents: _schemas.arraySchema,
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assert: {
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description: 'Assert that the label has htmlFor, a nested label, both or either',
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type: 'string',
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"enum": ['htmlFor', 'nesting', 'both', 'either']
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},
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depth: {
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description: 'JSX tree depth limit to check for accessible label',
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type: 'integer',
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minimum: 0
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}
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});
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function validateID(node, context) {
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var _settings$jsxA11y$at, _settings$jsxA11y, _settings$jsxA11y$att;
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var settings = context.settings;
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var htmlForAttributes = (_settings$jsxA11y$at = (_settings$jsxA11y = settings['jsx-a11y']) === null || _settings$jsxA11y === void 0 ? void 0 : (_settings$jsxA11y$att = _settings$jsxA11y.attributes) === null || _settings$jsxA11y$att === void 0 ? void 0 : _settings$jsxA11y$att["for"]) !== null && _settings$jsxA11y$at !== void 0 ? _settings$jsxA11y$at : ['htmlFor'];
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for (var i = 0; i < htmlForAttributes.length; i += 1) {
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var attribute = htmlForAttributes[i];
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if ((0, _jsxAstUtils.hasProp)(node.attributes, attribute)) {
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var htmlForAttr = (0, _jsxAstUtils.getProp)(node.attributes, attribute);
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var htmlForValue = (0, _jsxAstUtils.getPropValue)(htmlForAttr);
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return htmlForAttr !== false && !!htmlForValue;
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}
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}
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return false;
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}
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var _default = exports["default"] = {
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meta: {
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docs: {
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description: 'Enforce that a `label` tag has a text label and an associated control.',
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url: 'https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/blob/main/docs/rules/label-has-associated-control.md'
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},
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schema: [schema]
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},
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create: function create(context) {
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var options = context.options[0] || {};
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var labelComponents = options.labelComponents || [];
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var assertType = options.assert || 'either';
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var componentNames = ['label'].concat(labelComponents);
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var elementType = (0, _getElementType["default"])(context);
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var rule = function rule(node) {
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if (componentNames.indexOf(elementType(node.openingElement)) === -1) {
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return;
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}
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var controlComponents = ['input', 'meter', 'output', 'progress', 'select', 'textarea'].concat(options.controlComponents || []);
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// Prevent crazy recursion.
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var recursionDepth = Math.min(options.depth === undefined ? 2 : options.depth, 25);
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var hasLabelId = validateID(node.openingElement, context);
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// Check for multiple control components.
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var hasNestedControl = controlComponents.some(function (name) {
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return (0, _mayContainChildComponent["default"])(node, name, recursionDepth, elementType);
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});
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var hasAccessibleLabel = (0, _mayHaveAccessibleLabel["default"])(node, recursionDepth, options.labelAttributes, elementType, controlComponents);
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if (!hasAccessibleLabel) {
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context.report({
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node: node.openingElement,
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message: errorMessageNoLabel
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});
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return;
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}
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switch (assertType) {
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case 'htmlFor':
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if (hasLabelId) {
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return;
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}
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break;
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case 'nesting':
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if (hasNestedControl) {
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return;
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}
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break;
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case 'both':
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if (hasLabelId && hasNestedControl) {
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return;
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}
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break;
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case 'either':
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if (hasLabelId || hasNestedControl) {
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return;
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}
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break;
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default:
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break;
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}
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// htmlFor case
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context.report({
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node: node.openingElement,
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message: errorMessage
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});
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};
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// Create visitor selectors.
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return {
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JSXElement: rule
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};
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}
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};
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module.exports = exports.default; |