jschan/gulp/res/js/saveoverboard.js

const overboardLink = document.getElementById('overboardlink');
if (overboardLink) {
	const updateOverboardLink = () => {
		const overboardSettings = JSON.parse(localStorage.getItem('overboardsettings'));
		if (overboardSettings.add.length > 0 || overboardSettings.rem.length > 0 || !overboardSettings.include_default) {
			overboardLink.setAttribute('href', `/overboard.html?${new URLSearchParams(overboardSettings)}`);
		}
	}
	updateOverboardLink();
	if (location.pathname === '/overboard.html') {
		const overboardForm = document.getElementById('overboardform');
		if (overboardForm) {
			const saveOverboardSettings = (e) => {
				const newOverboardSettings = {
					add: overboardForm.elements.add.value,
					rem: overboardForm.elements.rem.value,
					include_default: overboardForm.elements.include_default.checked,
				};
				if (newOverboardSettings.add.length === 0 && !newOverboardSettings.include_default) {
					newOverboardSettings.include_default = true; //nice
				}
				setLocalStorage('overboardsettings', JSON.stringify(newOverboardSettings));
			}
			overboardForm.addEventListener('submit', saveOverboardSettings, false);
		}
	}
}