src/vs/editor/browser/config/editorConfiguration.ts/getExtraEditorClassName
function getExtraEditorClassName(): string {
	let extra = '';
	if (!browser.isSafari && !browser.isWebkitWebView) {
		// Use user-select: none in all browsers except Safari and native macOS WebView
		extra += 'no-user-select ';
	}
	if (browser.isSafari) {
		// See https://github.com/microsoft/vscode/issues/108822
		extra += 'no-minimap-shadow ';
		extra += 'enable-user-select ';
	}
	if (platform.isMacintosh) {
		extra += 'mac ';
	}
	return extra;
}