sveltekit-superforms
Version:
Making SvelteKit forms a pleasure to use!
35 lines (34 loc) • 1.32 kB
JavaScript
import { splitPath } from '../stringPath.js';
import { traversePath } from '../traversal.js';
const noCustomValidityDataAttribute = 'noCustomValidity';
export async function updateCustomValidity(validityEl, errors) {
// Always reset validity, in case it has been validated on the server.
if ('setCustomValidity' in validityEl) {
validityEl.setCustomValidity('');
}
if (noCustomValidityDataAttribute in validityEl.dataset)
return;
setCustomValidity(validityEl, errors);
}
export function setCustomValidityForm(formElement, errors) {
for (const el of formElement.querySelectorAll('input,select,textarea,button')) {
if (('dataset' in el && noCustomValidityDataAttribute in el.dataset) || !el.name) {
continue;
}
const path = traversePath(errors, splitPath(el.name));
const error = path && typeof path.value === 'object' && '_errors' in path.value
? path.value._errors
: path?.value;
setCustomValidity(el, error);
if (error)
return;
}
}
function setCustomValidity(el, errors) {
if (!('setCustomValidity' in el))
return;
const message = errors && errors.length ? errors.join('\n') : '';
el.setCustomValidity(message);
if (message)
el.reportValidity();
}