PopStateEvent.js 4.2 KB

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  1. "use strict";
  2. const conversions = require("webidl-conversions");
  3. const utils = require("./utils.js");
  4. const PopStateEventInit = require("./PopStateEventInit.js");
  5. const implSymbol = utils.implSymbol;
  6. const ctorRegistrySymbol = utils.ctorRegistrySymbol;
  7. const Event = require("./Event.js");
  8. const interfaceName = "PopStateEvent";
  9. exports.is = value => {
  10. return utils.isObject(value) && Object.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
  11. };
  12. exports.isImpl = value => {
  13. return utils.isObject(value) && value instanceof Impl.implementation;
  14. };
  15. exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
  16. if (exports.is(value)) {
  17. return utils.implForWrapper(value);
  18. }
  19. throw new globalObject.TypeError(`${context} is not of type 'PopStateEvent'.`);
  20. };
  21. function makeWrapper(globalObject, newTarget) {
  22. let proto;
  23. if (newTarget !== undefined) {
  24. proto = newTarget.prototype;
  25. }
  26. if (!utils.isObject(proto)) {
  27. proto = globalObject[ctorRegistrySymbol]["PopStateEvent"].prototype;
  28. }
  29. return Object.create(proto);
  30. }
  31. exports.create = (globalObject, constructorArgs, privateData) => {
  32. const wrapper = makeWrapper(globalObject);
  33. return exports.setup(wrapper, globalObject, constructorArgs, privateData);
  34. };
  35. exports.createImpl = (globalObject, constructorArgs, privateData) => {
  36. const wrapper = exports.create(globalObject, constructorArgs, privateData);
  37. return utils.implForWrapper(wrapper);
  38. };
  39. exports._internalSetup = (wrapper, globalObject) => {
  40. Event._internalSetup(wrapper, globalObject);
  41. };
  42. exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
  43. privateData.wrapper = wrapper;
  44. exports._internalSetup(wrapper, globalObject);
  45. Object.defineProperty(wrapper, implSymbol, {
  46. value: new Impl.implementation(globalObject, constructorArgs, privateData),
  47. configurable: true
  48. });
  49. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  50. if (Impl.init) {
  51. Impl.init(wrapper[implSymbol]);
  52. }
  53. return wrapper;
  54. };
  55. exports.new = (globalObject, newTarget) => {
  56. const wrapper = makeWrapper(globalObject, newTarget);
  57. exports._internalSetup(wrapper, globalObject);
  58. Object.defineProperty(wrapper, implSymbol, {
  59. value: Object.create(Impl.implementation.prototype),
  60. configurable: true
  61. });
  62. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  63. if (Impl.init) {
  64. Impl.init(wrapper[implSymbol]);
  65. }
  66. return wrapper[implSymbol];
  67. };
  68. const exposed = new Set(["Window"]);
  69. exports.install = (globalObject, globalNames) => {
  70. if (!globalNames.some(globalName => exposed.has(globalName))) {
  71. return;
  72. }
  73. const ctorRegistry = utils.initCtorRegistry(globalObject);
  74. class PopStateEvent extends globalObject.Event {
  75. constructor(type) {
  76. if (arguments.length < 1) {
  77. throw new globalObject.TypeError(
  78. `Failed to construct 'PopStateEvent': 1 argument required, but only ${arguments.length} present.`
  79. );
  80. }
  81. const args = [];
  82. {
  83. let curArg = arguments[0];
  84. curArg = conversions["DOMString"](curArg, {
  85. context: "Failed to construct 'PopStateEvent': parameter 1",
  86. globals: globalObject
  87. });
  88. args.push(curArg);
  89. }
  90. {
  91. let curArg = arguments[1];
  92. curArg = PopStateEventInit.convert(globalObject, curArg, {
  93. context: "Failed to construct 'PopStateEvent': parameter 2"
  94. });
  95. args.push(curArg);
  96. }
  97. return exports.setup(Object.create(new.target.prototype), globalObject, args);
  98. }
  99. get state() {
  100. const esValue = this !== null && this !== undefined ? this : globalObject;
  101. if (!exports.is(esValue)) {
  102. throw new globalObject.TypeError(
  103. "'get state' called on an object that is not a valid instance of PopStateEvent."
  104. );
  105. }
  106. return esValue[implSymbol]["state"];
  107. }
  108. }
  109. Object.defineProperties(PopStateEvent.prototype, {
  110. state: { enumerable: true },
  111. [Symbol.toStringTag]: { value: "PopStateEvent", configurable: true }
  112. });
  113. ctorRegistry[interfaceName] = PopStateEvent;
  114. Object.defineProperty(globalObject, interfaceName, {
  115. configurable: true,
  116. writable: true,
  117. value: PopStateEvent
  118. });
  119. };
  120. const Impl = require("../../jsdom/living/events/PopStateEvent-impl.js");