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do not follow link which has aria-hidden attribute or aria-disabled attribute

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usk 2017-12-24 06:14:17 +09:00
parent a133ee3d6a
commit de7883329b
1 changed files with 16 additions and 0 deletions
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16
src/content/components/common/follow.js
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@ -30,6 +30,21 @@ const inViewport = (win, element, viewSize, framePosition) => {
return true;
};
const isAriaHiddenOrAriaDisabled = (win, element) => {
if (!element || win.document.documentElement === element) {
return false;
}
for (let attr of ['aria-hidden', 'aria-disabled']) {
if (element.hasAttribute(attr)) {
let hidden = element.getAttribute(attr).toLowerCase();
if (hidden === '' || hidden === 'true') {
return true;
}
}
}
return isAriaHiddenOrAriaDisabled(win, element.parentNode);
};
export default class Follow {
constructor(win, store) {
this.win = win;
@ -171,6 +186,7 @@ export default class Follow {
style.visibility !== 'hidden' &&
element.type !== 'hidden' &&
element.offsetHeight > 0 &&
!isAriaHiddenOrAriaDisabled(win, element) &&
inViewport(win, element, viewSize, framePosition);
});
return filtered;