1 | "use strict";
|
2 | var __extends = (this && this.__extends) || (function () {
|
3 | var extendStatics = function (d, b) {
|
4 | extendStatics = Object.setPrototypeOf ||
|
5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
|
6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
|
7 | return extendStatics(d, b);
|
8 | }
|
9 | return function (d, b) {
|
10 | extendStatics(d, b);
|
11 | function __() { this.constructor = d; }
|
12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
13 | };
|
14 | })();
|
15 | Object.defineProperty(exports, "__esModule", { value: true });
|
16 | var ts = require("typescript");
|
17 | var Lint = require("tslint");
|
18 | var tsutils = require("tsutils");
|
19 | var JsxAttribute_1 = require("./utils/JsxAttribute");
|
20 | var ROLE_SCHEMA = require('./utils/attributes/roleSchema.json');
|
21 | var ROLES = ROLE_SCHEMA.roles;
|
22 | var VALID_ROLES = Object.keys(ROLES).filter(function (role) { return ROLES[role].isAbstract === false; });
|
23 | function getFailureStringUndefinedRole() {
|
24 | return ("'role' attribute empty. Either select a role from https://www.w3.org/TR/wai-aria/roles#role_definitions, " +
|
25 | 'or simply remove this attribute');
|
26 | }
|
27 | exports.getFailureStringUndefinedRole = getFailureStringUndefinedRole;
|
28 | function getFailureStringInvalidRole(invalidRoleName) {
|
29 | return "Invalid role attribute value '" + invalidRoleName + "', elements with ARIA roles must use a valid, non-abstract ARIA role. A reference to role definitions can be found at https://www.w3.org/TR/wai-aria/roles#role_definitions.";
|
30 | }
|
31 | exports.getFailureStringInvalidRole = getFailureStringInvalidRole;
|
32 | var Rule = (function (_super) {
|
33 | __extends(Rule, _super);
|
34 | function Rule() {
|
35 | return _super !== null && _super.apply(this, arguments) || this;
|
36 | }
|
37 | Rule.prototype.apply = function (sourceFile) {
|
38 | return sourceFile.languageVariant === ts.LanguageVariant.JSX ? this.applyWithFunction(sourceFile, walk) : [];
|
39 | };
|
40 | Rule.metadata = {
|
41 | ruleName: 'react-a11y-role',
|
42 | type: 'maintainability',
|
43 | description: 'Elements with aria roles must use a **valid**, **non-abstract** aria role. ' +
|
44 | 'A reference to role definitions can be found at [WAI-ARIA roles](https://www.w3.org/TR/wai-aria/roles#role_definitions).',
|
45 | rationale: "References:\n <ul>\n <li><a href=\"http://oaa-accessibility.org/wcag20/rule/92\">WCAG Rule 92: Role value must be valid</a></li>\n </ul>",
|
46 | options: null,
|
47 | optionsDescription: '',
|
48 | typescriptOnly: true,
|
49 | issueClass: 'Non-SDL',
|
50 | issueType: 'Warning',
|
51 | severity: 'Important',
|
52 | level: 'Opportunity for Excellence',
|
53 | group: 'Accessibility'
|
54 | };
|
55 | return Rule;
|
56 | }(Lint.Rules.AbstractRule));
|
57 | exports.Rule = Rule;
|
58 | function walk(ctx) {
|
59 | function cb(node) {
|
60 | if (tsutils.isJsxAttribute(node)) {
|
61 | var name_1 = JsxAttribute_1.getPropName(node);
|
62 | if (!name_1 || name_1.toLowerCase() !== 'role') {
|
63 | return;
|
64 | }
|
65 | var roleValue = JsxAttribute_1.getStringLiteral(node);
|
66 | if (roleValue) {
|
67 | var normalizedValues = roleValue.toLowerCase().split(' ');
|
68 | if (normalizedValues.some(function (value) { return !!(value && VALID_ROLES.indexOf(value) === -1); })) {
|
69 | ctx.addFailureAt(node.getStart(), node.getWidth(), getFailureStringInvalidRole(roleValue));
|
70 | }
|
71 | }
|
72 | else if (roleValue === '' || JsxAttribute_1.isEmpty(node)) {
|
73 | ctx.addFailureAt(node.getStart(), node.getWidth(), getFailureStringUndefinedRole());
|
74 | }
|
75 | }
|
76 | return ts.forEachChild(node, cb);
|
77 | }
|
78 | return ts.forEachChild(ctx.sourceFile, cb);
|
79 | }
|
80 |
|
\ | No newline at end of file |