templateMouseEventsHaveKeyEventsRule.js 3.3 KB

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  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 lib_1 = require("tslint/lib");
  17. var ngWalker_1 = require("./angular/ngWalker");
  18. var basicTemplateAstVisitor_1 = require("./angular/templates/basicTemplateAstVisitor");
  19. var Rule = (function (_super) {
  20. __extends(Rule, _super);
  21. function Rule() {
  22. return _super !== null && _super.apply(this, arguments) || this;
  23. }
  24. Rule.prototype.apply = function (sourceFile) {
  25. var walkerConfig = { templateVisitorCtrl: TemplateVisitorCtrl };
  26. var walker = new ngWalker_1.NgWalker(sourceFile, this.getOptions(), walkerConfig);
  27. return this.applyWithWalker(walker);
  28. };
  29. Rule.metadata = {
  30. description: 'Ensures that the Mouse Events mouseover and mouseout are accompanied with Key Events focus and blur',
  31. options: null,
  32. optionsDescription: 'Not configurable.',
  33. rationale: 'Keyboard is important for users with physical disabilities who cannot use mouse.',
  34. ruleName: 'template-mouse-events-have-key-events',
  35. type: 'functionality',
  36. typescriptOnly: true
  37. };
  38. Rule.FAILURE_STRING_MOUSE_OVER = 'mouseover must be accompanied by focus event for accessibility';
  39. Rule.FAILURE_STRING_MOUSE_OUT = 'mouseout must be accompanied by blur event for accessibility';
  40. return Rule;
  41. }(lib_1.Rules.AbstractRule));
  42. exports.Rule = Rule;
  43. var TemplateVisitorCtrl = (function (_super) {
  44. __extends(TemplateVisitorCtrl, _super);
  45. function TemplateVisitorCtrl() {
  46. return _super !== null && _super.apply(this, arguments) || this;
  47. }
  48. TemplateVisitorCtrl.prototype.visitElement = function (el, context) {
  49. this.validateElement(el);
  50. _super.prototype.visitElement.call(this, el, context);
  51. };
  52. TemplateVisitorCtrl.prototype.validateElement = function (el) {
  53. var hasMouseOver = el.outputs.some(function (output) { return output.name === 'mouseover'; });
  54. var hasMouseOut = el.outputs.some(function (output) { return output.name === 'mouseout'; });
  55. var hasFocus = el.outputs.some(function (output) { return output.name === 'focus'; });
  56. var hasBlur = el.outputs.some(function (output) { return output.name === 'blur'; });
  57. if (!hasMouseOver && !hasMouseOut) {
  58. return;
  59. }
  60. var _a = el.sourceSpan, endOffset = _a.end.offset, startOffset = _a.start.offset;
  61. if (hasMouseOver && !hasFocus) {
  62. this.addFailureFromStartToEnd(startOffset, endOffset, Rule.FAILURE_STRING_MOUSE_OVER);
  63. }
  64. if (hasMouseOut && !hasBlur) {
  65. this.addFailureFromStartToEnd(startOffset, endOffset, Rule.FAILURE_STRING_MOUSE_OUT);
  66. }
  67. };
  68. return TemplateVisitorCtrl;
  69. }(basicTemplateAstVisitor_1.BasicTemplateAstVisitor));