```js /! devtools-detect https://github.com/sindresorhus/devtools-detect By Sindre Sorhus MIT License / const devtools = { isOpen: false, orientation: undefined, };

const threshold = 170;

const emitEvent = (isOpen, orientation) => { globalThis.dispatchEvent(new globalThis.CustomEvent('devtoolschange', { detail: { isOpen, orientation, }, })); };

const main = ({ emitEvents = true } = {}) => { const widthThreshold = globalThis.outerWidth - globalThis.innerWidth > threshold; const heightThreshold = globalThis.outerHeight - globalThis.innerHeight > threshold; const orientation = widthThreshold ? 'vertical' : 'horizontal';

if ( !(heightThreshold && widthThreshold) && ((globalThis.Firebug && globalThis.Firebug.chrome && globalThis.Firebug.chrome.isInitialized) || widthThreshold || heightThreshold) ) { if ((!devtools.isOpen || devtools.orientation !== orientation) && emitEvents) { emitEvent(true, orientation); }

devtools.isOpen = true;
devtools.orientation = orientation;

} else { if (devtools.isOpen && emitEvents) { emitEvent(false, undefined); }

devtools.isOpen = false;
devtools.orientation = undefined;

} };

main({ emitEvents: false }); setInterval(main, 500);

export default devtools; ```