index.js 4.1 KB

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  1. "use strict";
  2. var __assign = (this && this.__assign) || function () {
  3. __assign = Object.assign || function(t) {
  4. for (var s, i = 1, n = arguments.length; i < n; i++) {
  5. s = arguments[i];
  6. for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
  7. t[p] = s[p];
  8. }
  9. return t;
  10. };
  11. return __assign.apply(this, arguments);
  12. };
  13. var jest_util_1 = require("jest-util");
  14. var jest_mock_1 = require("jest-mock");
  15. var fake_timers_1 = require("@jest/fake-timers");
  16. var jsdom_1 = require("jsdom");
  17. var JSDOMEnvironment = /** @class */ (function () {
  18. function JSDOMEnvironment(config, options) {
  19. if (options === void 0) { options = {}; }
  20. this.dom = new jsdom_1.JSDOM("<!DOCTYPE html>", __assign({ pretendToBeVisual: true, runScripts: "dangerously", url: config.testURL, virtualConsole: new jsdom_1.VirtualConsole().sendTo(options.console || console) }, config.testEnvironmentOptions));
  21. var global = (this.global = this.dom.window.document.defaultView);
  22. if (!global) {
  23. throw new Error("JSDOM did not return a Window object");
  24. }
  25. // Node's error-message stack size is limited at 10, but it's pretty useful
  26. // to see more than that when a test fails.
  27. this.global.Error.stackTraceLimit = 100;
  28. jest_util_1.installCommonGlobals(global, config.globals);
  29. // Report uncaught errors.
  30. this.errorEventListener = function (event) {
  31. if (userErrorListenerCount === 0 && event.error) {
  32. process.emit("uncaughtException", event.error);
  33. }
  34. };
  35. global.addEventListener("error", this.errorEventListener);
  36. // However, don't report them as uncaught if the user listens to 'error' event.
  37. // In that case, we assume the might have custom error handling logic.
  38. var originalAddListener = global.addEventListener;
  39. var originalRemoveListener = global.removeEventListener;
  40. var userErrorListenerCount = 0;
  41. global.addEventListener = function () {
  42. var args = [];
  43. for (var _i = 0; _i < arguments.length; _i++) {
  44. args[_i] = arguments[_i];
  45. }
  46. if (args[0] === "error") {
  47. userErrorListenerCount++;
  48. }
  49. return originalAddListener.apply(this, args);
  50. };
  51. global.removeEventListener = function () {
  52. var args = [];
  53. for (var _i = 0; _i < arguments.length; _i++) {
  54. args[_i] = arguments[_i];
  55. }
  56. if (args[0] === "error") {
  57. userErrorListenerCount--;
  58. }
  59. return originalRemoveListener.apply(this, args);
  60. };
  61. this.moduleMocker = new jest_mock_1.ModuleMocker(global);
  62. var timerConfig = {
  63. idToRef: function (id) { return id; },
  64. refToId: function (ref) { return ref; },
  65. };
  66. this.fakeTimers = new fake_timers_1.JestFakeTimers({
  67. config: config,
  68. global: global,
  69. moduleMocker: this.moduleMocker,
  70. timerConfig: timerConfig,
  71. });
  72. }
  73. JSDOMEnvironment.prototype.setup = function () {
  74. return Promise.resolve();
  75. };
  76. JSDOMEnvironment.prototype.teardown = function () {
  77. if (this.fakeTimers) {
  78. this.fakeTimers.dispose();
  79. }
  80. if (this.global) {
  81. if (this.errorEventListener) {
  82. this.global.removeEventListener("error", this.errorEventListener);
  83. }
  84. // Dispose "document" to prevent "load" event from triggering.
  85. Object.defineProperty(this.global, "document", { value: null });
  86. this.global.close();
  87. }
  88. this.errorEventListener = null;
  89. // @ts-ignore
  90. this.global = null;
  91. this.dom = null;
  92. this.fakeTimers = null;
  93. return Promise.resolve();
  94. };
  95. JSDOMEnvironment.prototype.runScript = function (script) {
  96. if (this.dom) {
  97. return this.dom.runVMScript(script);
  98. }
  99. return null;
  100. };
  101. return JSDOMEnvironment;
  102. }());
  103. module.exports = JSDOMEnvironment;