node_shims.ts

// Copyright 2018-2024 the oak authors. All rights reserved. MIT license.

class ErrorEvent extends Event {
  #message: string;
  #filename: string;
  #lineno: number;
  #colno: number;
  // deno-lint-ignore 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;
  }
  // deno-lint-ignore no-explicit-any
  get error(): any {
    return this.#error;
  }

  constructor(type: string, eventInitDict: ErrorEventInit = {}) {
    super(type, eventInitDict);
    const { message = "error", filename = "", lineno = 0, colno = 0, error } =
      eventInitDict;
    this.#message = message;
    this.#filename = filename;
    this.#lineno = lineno;
    this.#colno = colno;
    this.#error = error;
  }
}

if (!("ErrorEvent" in globalThis)) {
  Object.defineProperty(globalThis, "ErrorEvent", {
    value: ErrorEvent,
    writable: true,
    enumerable: false,
    configurable: true,
  });
}

if (!("ReadableStream" in globalThis) || !("TransformStream" in globalThis)) {
  (async () => {
    const { ReadableStream, TransformStream } = await import("node:stream/web");
    Object.defineProperties(globalThis, {
      "ReadableStream": {
        value: ReadableStream,
        writable: true,
        enumerable: false,
        configurable: true,
      },
      "TransformStream": {
        value: TransformStream,
        writable: true,
        enumerable: false,
        configurable: true,
      },
    });
  })();
}