fix(deps): update dependency event-target-shim to v6

This MR contains the following updates:

Package	Type	Update	Change
event-target-shim	dependencies	major	^5.0.1 -> ^6.0.0

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Release Notes

mysticatea/event-target-shim

v6.0.2

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Bug Fixes

This version fixed event-target-shim/es5 and event-target-shim/umd exported files for working well on IE11.

v6.0.1

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This is an accidental broken release

v6.0.0

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This package has been rewritten with TypeScript.

Breaking Changes

API has some breaking changes. See Migration Guide for details.

New Features

■ Event class is available

Previously, this package had not exported Event class as prefers using the native Event class. Since this version, this package exports it.

import { EventTarget, Event } from "event-target-shim";

const target = new EventTarget();
target.dispatchEvent(new Event("foo"));

■ signal option on EventTarget.prototype.addEventListener is available

It's a new feature that was added to the standard recently: whatwg/dom#​919

import { EventTarget, Event } from "event-target-shim";
import { AbortController } from "abort-controller";

const target = new EventTarget();
const ac = new AbortController();

target.addEventListener("foo", listener, { signal: ac.signal });

// Remove the listener
ac.abort();

■ Customizing error/warning handling

Since this version, if a listener threw an exception, it causes the uncaughtException event on Node.js or the error event on window. Also, if an operation was ignored silently, it prints warnings with console.warn.

You can customize this behavior.

import { setErrorHandler, setWarningHandler } from "event-target-shim";

setErrorHandler((error) => {
  // Do something.
});
setWarningHandler((warning) => {
  // Do something.
});

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