Add rule to detect if initial focus is not on the first focusable element (firstFocusedElement)#52
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juanscasado wants to merge 2 commits intocvs-health:mainfrom
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…s styled as buttons (issue cvs-health#21)
…nitial focus is not on the first focusable element (issue cvs-health#22)
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This PR implements the accessibility rule requested in issue #22: "First focused element".
Adds the firstFocusedElement rule to Testaro, which detects if the element initially focused when the page loads is not the first focusable element in the DOM.
Includes a validator configuration and a dedicated test page with representative cases.
Ensures results are serializable and compatible with the validation system.
Updates rule registration and validation configuration to support the new rule.
Summary of changes:
firstFocusedElement.js: New rule implementation.
firstFocusedElement.json: Validator configuration for the rule.
index.html: Test page for the rule.
testaro.js: Rule registration.
This rule helps ensure that the initial focus behavior is predictable and accessible, preventing confusion for keyboard and assistive technology users.