fix: Expose ErrorEvent globally (denoland#5222)

cli/js/globals.ts

@@ -11,6 +11,7 @@ import * as promiseTypes from "./web/promise.ts";
 import * as customEvent from "./web/custom_event.ts";
 import * as domException from "./web/dom_exception.ts";
 import * as domFile from "./web/dom_file.ts";
+import * as errorEvent from "./web/error_event.ts";
 import * as event from "./web/event.ts";
 import * as eventTarget from "./web/event_target.ts";
 import * as formData from "./web/form_data.ts";
@@ -227,6 +228,7 @@ export const windowOrWorkerGlobalScopeProperties = {
  File: nonEnumerable(domFile.DomFileImpl),
  CustomEvent: nonEnumerable(customEvent.CustomEventImpl),
  DOMException: nonEnumerable(domException.DOMExceptionImpl),
+ ErrorEvent: nonEnumerable(errorEvent.ErrorEventImpl),
  Event: nonEnumerable(event.EventImpl),
  EventTarget: nonEnumerable(eventTarget.EventTargetImpl),
  URL: nonEnumerable(url.URLImpl),

cli/js/runtime_worker.ts

@@ -22,7 +22,8 @@ import * as denoNs from "./deno.ts";
 import * as denoUnstableNs from "./deno_unstable.ts";
 import * as webWorkerOps from "./ops/web_worker.ts";
 import { log, assert, immutableDefine } from "./util.ts";
-import { MessageEvent, ErrorEvent } from "./web/workers.ts";
+import { ErrorEventImpl as ErrorEvent } from "./web/error_event.ts";
+import { MessageEvent } from "./web/workers.ts";
 import { TextEncoder } from "./web/text_encoding.ts";
 import * as runtime from "./runtime.ts";
 import { internalObject, internalSymbol } from "./internals.ts";

cli/js/web/error_event.ts

@@ -0,0 +1,68 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+import { EventImpl as Event } from "./event.ts";
+import { defineEnumerableProps } from "./util.ts";
+
+export class ErrorEventImpl extends Event implements ErrorEvent {
+ #message: string;
+ #filename: string;
+ #lineno: number;
+ #colno: number;
+ // eslint-disable-next-line @typescript-eslint/no-explicit-any
+ #error: any;
+
+ get message(): string {
+ return this.#message;
+ }
+ get filename(): string {
+ return this.#filename;
+ }
+ get lineno(): number {
+ return this.#lineno;
+ }
+ get colno(): number {
+ return this.#colno;
+ }
+ // eslint-disable-next-line @typescript-eslint/no-explicit-any
+ get error(): any {
+ return this.#error;
+ }
+
+ constructor(
+ type: string,
+ {
+ bubbles,
+ cancelable,
+ composed,
+ message = "",
+ filename = "",
+ lineno = 0,
+ colno = 0,
+ error = null,
+ }: ErrorEventInit = {}
+ ) {
+ super(type, {
+ bubbles: bubbles,
+ cancelable: cancelable,
+ composed: composed,
+ });
+
+ this.#message = message;
+ this.#filename = filename;
+ this.#lineno = lineno;
+ this.#colno = colno;
+ this.#error = error;
+ }
+
+ get [Symbol.toStringTag](): string {
+ return "ErrorEvent";
+ }
+}
+
+defineEnumerableProps(ErrorEventImpl, [
+ "message",
+ "filename",
+ "lineno",
+ "colno",
+ "error",
+]);

cli/js/web/workers.ts

@@ -11,6 +11,7 @@ import { TextDecoder, TextEncoder } from "./text_encoding.ts";
 /*
 import { blobURLMap } from "./web/url.ts";
 */
+import { ErrorEventImpl as ErrorEvent } from "./error_event.ts";
 import { EventImpl as Event } from "./event.ts";
 import { EventTargetImpl as EventTarget } from "./event_target.ts";
 
@@ -41,36 +42,6 @@ export class MessageEvent extends Event {
  }
 }
 
-export interface ErrorEventInit extends EventInit {
- message?: string;
- filename?: string;
- lineno?: number;
- colno?: number;
- error?: any;
-}
-
-export class ErrorEvent extends Event {
- readonly message: string;
- readonly filename: string;
- readonly lineno: number;
- readonly colno: number;
- readonly error: any;
-
- constructor(type: string, eventInitDict?: ErrorEventInit) {
- super(type, {
- bubbles: eventInitDict?.bubbles ?? false,
- cancelable: eventInitDict?.cancelable ?? false,
- composed: eventInitDict?.composed ?? false,
- });
-
- this.message = eventInitDict?.message ?? "";
- this.filename = eventInitDict?.filename ?? "";
- this.lineno = eventInitDict?.lineno ?? 0;
- this.colno = eventInitDict?.colno ?? 0;
- this.error = eventInitDict?.error ?? null;
- }
-}
-
 function encodeMessage(data: any): Uint8Array {
  const dataJson = JSON.stringify(data);
  return encoder.encode(dataJson);