MessageEvent.js 9.4 KB

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  1. "use strict";
  2. const conversions = require("webidl-conversions");
  3. const utils = require("./utils.js");
  4. const MessageEventInit = require("./MessageEventInit.js");
  5. const implSymbol = utils.implSymbol;
  6. const ctorRegistrySymbol = utils.ctorRegistrySymbol;
  7. const Event = require("./Event.js");
  8. const interfaceName = "MessageEvent";
  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 'MessageEvent'.`);
  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]["MessageEvent"].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", "Worker", "AudioWorklet"]);
  69. exports.install = (globalObject, globalNames) => {
  70. if (!globalNames.some(globalName => exposed.has(globalName))) {
  71. return;
  72. }
  73. const ctorRegistry = utils.initCtorRegistry(globalObject);
  74. class MessageEvent extends globalObject.Event {
  75. constructor(type) {
  76. if (arguments.length < 1) {
  77. throw new globalObject.TypeError(
  78. `Failed to construct 'MessageEvent': 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 'MessageEvent': parameter 1",
  86. globals: globalObject
  87. });
  88. args.push(curArg);
  89. }
  90. {
  91. let curArg = arguments[1];
  92. curArg = MessageEventInit.convert(globalObject, curArg, {
  93. context: "Failed to construct 'MessageEvent': parameter 2"
  94. });
  95. args.push(curArg);
  96. }
  97. return exports.setup(Object.create(new.target.prototype), globalObject, args);
  98. }
  99. initMessageEvent(type) {
  100. const esValue = this !== null && this !== undefined ? this : globalObject;
  101. if (!exports.is(esValue)) {
  102. throw new globalObject.TypeError(
  103. "'initMessageEvent' called on an object that is not a valid instance of MessageEvent."
  104. );
  105. }
  106. if (arguments.length < 1) {
  107. throw new globalObject.TypeError(
  108. `Failed to execute 'initMessageEvent' on 'MessageEvent': 1 argument required, but only ${arguments.length} present.`
  109. );
  110. }
  111. const args = [];
  112. {
  113. let curArg = arguments[0];
  114. curArg = conversions["DOMString"](curArg, {
  115. context: "Failed to execute 'initMessageEvent' on 'MessageEvent': parameter 1",
  116. globals: globalObject
  117. });
  118. args.push(curArg);
  119. }
  120. {
  121. let curArg = arguments[1];
  122. if (curArg !== undefined) {
  123. curArg = conversions["boolean"](curArg, {
  124. context: "Failed to execute 'initMessageEvent' on 'MessageEvent': parameter 2",
  125. globals: globalObject
  126. });
  127. } else {
  128. curArg = false;
  129. }
  130. args.push(curArg);
  131. }
  132. {
  133. let curArg = arguments[2];
  134. if (curArg !== undefined) {
  135. curArg = conversions["boolean"](curArg, {
  136. context: "Failed to execute 'initMessageEvent' on 'MessageEvent': parameter 3",
  137. globals: globalObject
  138. });
  139. } else {
  140. curArg = false;
  141. }
  142. args.push(curArg);
  143. }
  144. {
  145. let curArg = arguments[3];
  146. if (curArg !== undefined) {
  147. curArg = conversions["any"](curArg, {
  148. context: "Failed to execute 'initMessageEvent' on 'MessageEvent': parameter 4",
  149. globals: globalObject
  150. });
  151. } else {
  152. curArg = null;
  153. }
  154. args.push(curArg);
  155. }
  156. {
  157. let curArg = arguments[4];
  158. if (curArg !== undefined) {
  159. curArg = conversions["USVString"](curArg, {
  160. context: "Failed to execute 'initMessageEvent' on 'MessageEvent': parameter 5",
  161. globals: globalObject
  162. });
  163. } else {
  164. curArg = "";
  165. }
  166. args.push(curArg);
  167. }
  168. {
  169. let curArg = arguments[5];
  170. if (curArg !== undefined) {
  171. curArg = conversions["DOMString"](curArg, {
  172. context: "Failed to execute 'initMessageEvent' on 'MessageEvent': parameter 6",
  173. globals: globalObject
  174. });
  175. } else {
  176. curArg = "";
  177. }
  178. args.push(curArg);
  179. }
  180. {
  181. let curArg = arguments[6];
  182. if (curArg !== undefined) {
  183. if (curArg === null || curArg === undefined) {
  184. curArg = null;
  185. } else {
  186. curArg = utils.tryImplForWrapper(curArg);
  187. }
  188. } else {
  189. curArg = null;
  190. }
  191. args.push(curArg);
  192. }
  193. {
  194. let curArg = arguments[7];
  195. if (curArg !== undefined) {
  196. if (!utils.isObject(curArg)) {
  197. throw new globalObject.TypeError(
  198. "Failed to execute 'initMessageEvent' on 'MessageEvent': parameter 8" + " is not an iterable object."
  199. );
  200. } else {
  201. const V = [];
  202. const tmp = curArg;
  203. for (let nextItem of tmp) {
  204. nextItem = utils.tryImplForWrapper(nextItem);
  205. V.push(nextItem);
  206. }
  207. curArg = V;
  208. }
  209. } else {
  210. curArg = [];
  211. }
  212. args.push(curArg);
  213. }
  214. return esValue[implSymbol].initMessageEvent(...args);
  215. }
  216. get data() {
  217. const esValue = this !== null && this !== undefined ? this : globalObject;
  218. if (!exports.is(esValue)) {
  219. throw new globalObject.TypeError(
  220. "'get data' called on an object that is not a valid instance of MessageEvent."
  221. );
  222. }
  223. return esValue[implSymbol]["data"];
  224. }
  225. get origin() {
  226. const esValue = this !== null && this !== undefined ? this : globalObject;
  227. if (!exports.is(esValue)) {
  228. throw new globalObject.TypeError(
  229. "'get origin' called on an object that is not a valid instance of MessageEvent."
  230. );
  231. }
  232. return esValue[implSymbol]["origin"];
  233. }
  234. get lastEventId() {
  235. const esValue = this !== null && this !== undefined ? this : globalObject;
  236. if (!exports.is(esValue)) {
  237. throw new globalObject.TypeError(
  238. "'get lastEventId' called on an object that is not a valid instance of MessageEvent."
  239. );
  240. }
  241. return esValue[implSymbol]["lastEventId"];
  242. }
  243. get source() {
  244. const esValue = this !== null && this !== undefined ? this : globalObject;
  245. if (!exports.is(esValue)) {
  246. throw new globalObject.TypeError(
  247. "'get source' called on an object that is not a valid instance of MessageEvent."
  248. );
  249. }
  250. return utils.tryWrapperForImpl(esValue[implSymbol]["source"]);
  251. }
  252. get ports() {
  253. const esValue = this !== null && this !== undefined ? this : globalObject;
  254. if (!exports.is(esValue)) {
  255. throw new globalObject.TypeError(
  256. "'get ports' called on an object that is not a valid instance of MessageEvent."
  257. );
  258. }
  259. return utils.tryWrapperForImpl(esValue[implSymbol]["ports"]);
  260. }
  261. }
  262. Object.defineProperties(MessageEvent.prototype, {
  263. initMessageEvent: { enumerable: true },
  264. data: { enumerable: true },
  265. origin: { enumerable: true },
  266. lastEventId: { enumerable: true },
  267. source: { enumerable: true },
  268. ports: { enumerable: true },
  269. [Symbol.toStringTag]: { value: "MessageEvent", configurable: true }
  270. });
  271. ctorRegistry[interfaceName] = MessageEvent;
  272. Object.defineProperty(globalObject, interfaceName, {
  273. configurable: true,
  274. writable: true,
  275. value: MessageEvent
  276. });
  277. };
  278. const Impl = require("../../jsdom/living/events/MessageEvent-impl.js");