1 | "use strict";
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2 | var __extends = (this && this.__extends) || (function () {
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3 | var extendStatics = function (d, b) {
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4 | extendStatics = Object.setPrototypeOf ||
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5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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7 | return extendStatics(d, b);
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8 | }
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9 | return function (d, b) {
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10 | extendStatics(d, b);
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11 | function __() { this.constructor = d; }
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12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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13 | };
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14 | })();
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15 | Object.defineProperty(exports, "__esModule", { value: true });
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16 | var ts = require("typescript");
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17 | var Lint = require("tslint");
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18 | var tsutils = require("tsutils");
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19 | var JsxAttribute_1 = require("./utils/JsxAttribute");
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20 | var FAILURE_STRING = 'Required input elements must have an aria-required set to true';
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21 | var REQUIRED_STRING = 'required';
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22 | var ARIA_REQUIRED_STRING = 'aria-required';
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23 | var Rule = (function (_super) {
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24 | __extends(Rule, _super);
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25 | function Rule() {
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26 | return _super !== null && _super.apply(this, arguments) || this;
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27 | }
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28 | Rule.prototype.apply = function (sourceFile) {
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29 | return sourceFile.languageVariant === ts.LanguageVariant.JSX ? this.applyWithFunction(sourceFile, walk) : [];
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30 | };
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31 | Rule.metadata = {
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32 | ruleName: 'react-a11y-required',
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33 | type: 'functionality',
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34 | description: 'Enforce that required input elements must have aria-required set to true',
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35 | rationale: "References:\n <ul>\n <li><a href=\"http://www.clarissapeterson.com/2012/11/html5-accessibility/\">Acessibility in HTML5</a></li>\n </ul>",
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36 | options: null,
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37 | optionsDescription: '',
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38 | typescriptOnly: true,
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39 | issueClass: 'Non-SDL',
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40 | issueType: 'Warning',
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41 | severity: 'Low',
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42 | level: 'Opportunity for Excellence',
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43 | group: 'Accessibility'
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44 | };
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45 | return Rule;
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46 | }(Lint.Rules.AbstractRule));
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47 | exports.Rule = Rule;
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48 | function walk(ctx) {
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49 | function validateOpeningElement(node) {
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50 | var tagName = node.tagName.getText();
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51 | if (tagName !== 'input') {
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52 | return;
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53 | }
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54 | var attributes = JsxAttribute_1.getJsxAttributesFromJsxElement(node);
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55 | var requiredAttribute = attributes[REQUIRED_STRING];
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56 | if (!requiredAttribute) {
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57 | return;
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58 | }
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59 | var ariaRequiredAttribute = attributes[ARIA_REQUIRED_STRING];
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60 | if (!ariaRequiredAttribute || JsxAttribute_1.isEmpty(ariaRequiredAttribute) || !JsxAttribute_1.getBooleanLiteral(ariaRequiredAttribute)) {
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61 | ctx.addFailureAt(node.getStart(), node.getWidth(), FAILURE_STRING);
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62 | }
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63 | }
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64 | function cb(node) {
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65 | if (tsutils.isJsxElement(node)) {
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66 | validateOpeningElement(node.openingElement);
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67 | }
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68 | else if (tsutils.isJsxSelfClosingElement(node)) {
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69 | validateOpeningElement(node);
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70 | }
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71 | return ts.forEachChild(node, cb);
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72 | }
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73 | return ts.forEachChild(ctx.sourceFile, cb);
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74 | }
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75 |
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