29113721976

Committed 10 Jul 2026 06:12PM UTC coverage: 88.902% (-0.004%) from 88.906%

Build # 29113721976

Build Type

Pull #3793

github

Committed by

web-flow

Commit Message

Merge e34b9fb0f into 3ee8a530a

Pull Request Pull Request #3793: chore: TS6 Upgrades + Typedoc update

Coverage Stats

6933 of 9094 branches covered (76.24%)

279 of 378 new or added lines in 58 files covered. (73.81%)

3 existing lines in 2 files now uncovered.

15517 of 17454 relevant lines covered (88.9%)

24916.19 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

68.75

/src/engine/util/iframe.ts

import { Logger } from './log';

/**
 * Checks if excalibur is in a x-origin iframe
 */
export function isCrossOriginIframe() {
  try {
    // Try and listen to events on top window frame if within an iframe.
    //
    // See https://github.com/excaliburjs/Excalibur/issues/1294
    //
    // Attempt to add an event listener, which triggers a DOMException on
    // cross-origin iframes
    const noop = () => {
      return;
    };
    window.top!.addEventListener('blur', noop);
    window.top!.removeEventListener('blur', noop);
  } catch {
    return true;
  }
  return false;
}

export function isIframe() {
  return window !== window.top;
}

/**
 * Grabs the default global object for Excalibur
 */
export function getDefaultGlobal(): GlobalEventHandlers {
  let global: GlobalEventHandlers;
  if (isCrossOriginIframe()) {
    global = window;
    Logger.getInstance().warnOnce('Excalibur might be in a cross-origin iframe, in order to receive keyboard events it must be in focus');
  } else if (isIframe()) {
    global = window;
    Logger.getInstance().warnOnce('Excalibur might be in a iframe, in order to receive keyboard events it must be in focus');
  } else {
    global = window.top!;
  }

  return global;
}

1	import { Logger } from './log';
2
3	/**
4	* Checks if excalibur is in a x-origin iframe
5	*/
6	export function isCrossOriginIframe() {
7	try {	2,263✔
8	// Try and listen to events on top window frame if within an iframe.
9	//
10	// See https://github.com/excaliburjs/Excalibur/issues/1294
11	//
12	// Attempt to add an event listener, which triggers a DOMException on
13	// cross-origin iframes
14	const noop = () => {	2,263✔
15	return;	×
16	};
17	window.top!.addEventListener('blur', noop);	2,263✔
18	window.top!.removeEventListener('blur', noop);	2,263✔
19	} catch {
20	return true;	×
21	}
22	return false;	2,263✔
23	}
24
25	export function isIframe() {
26	return window !== window.top;	2,263✔
27	}
28
29	/**
30	* Grabs the default global object for Excalibur
31	*/
32	export function getDefaultGlobal(): GlobalEventHandlers {
33	let global: GlobalEventHandlers;
34	if (isCrossOriginIframe()) {	776!
35	global = window;	×
36	Logger.getInstance().warnOnce('Excalibur might be in a cross-origin iframe, in order to receive keyboard events it must be in focus');	×
37	} else if (isIframe()) {	776!
38	global = window;	776✔
39	Logger.getInstance().warnOnce('Excalibur might be in a iframe, in order to receive keyboard events it must be in focus');	776✔
40	} else {
NEW 41	global = window.top!;	×
42	}
43
44	return global;	776✔
45	}

excaliburjs / Excalibur / 29113721976

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous