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feat: add getAriaInvalid helper to handle aria-invalid and validity

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This commit is contained in:
Pengoose 2024-12-17 04:55:19 +09:00
parent 0eb406b26e
commit bc03ba5c02
1 changed files with 18 additions and 2 deletions
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20
packages/playwright-core/src/server/injected/roleUtils.ts
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@ -461,6 +461,23 @@ export function getElementAccessibleDescription(element: Element, includeHidden:
return accessibleDescription;
}
// https://www.w3.org/TR/wai-aria-1.2/#aria-invalid
export const kAriaInvalidRoles = ['application', 'checkbox', 'combobox', 'gridcell', 'listbox', 'radiogroup', 'slider', 'spinbutton', 'textbox', 'tree', 'columnheader', 'rowheader', 'searchbox', 'switch', 'treegrid'];
export function getAriaInvalid(element: Element): 'false' | 'true' | 'grammar' | 'spelling' {
const role = getAriaRole(element) || '';
if (!role || !kAriaInvalidRoles.includes(role))
return 'false';
if (element instanceof HTMLInputElement && element.validity)
return element.validity.valid ? 'false' : 'true';
const ariaInvalid = element.getAttribute('aria-invalid');
if (!ariaInvalid || ariaInvalid.trim() === '' || ariaInvalid.toLocaleLowerCase() === 'false')
return 'false';
if (ariaInvalid === 'true' || ariaInvalid === 'grammar' || ariaInvalid === 'spelling')
return ariaInvalid;
return 'true';
}
export function getElementAccessibleErrorMessage(element: Element): string {
// SPEC: https://w3c.github.io/aria/#aria-errormessage
//
@ -471,8 +488,7 @@ export function getElementAccessibleErrorMessage(element: Element): string {
if (accessibleErrorMessage === undefined) {
accessibleErrorMessage = '';
const ariaInvalid = element.getAttribute('aria-invalid');
const isAriaInvalid = ariaInvalid !== null && ariaInvalid.toLowerCase() !== 'false';
const isAriaInvalid = getAriaInvalid(element) !== 'false';
if (isAriaInvalid) {
const errorMessageId = element.getAttribute('aria-errormessage');
const errorMessages = getIdRefs(element, errorMessageId);