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focus on visible elements

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This commit is contained in:
Shin'ya Ueoka 2018-01-15 21:56:10 +09:00
parent 03e7e333a3
commit d1a81a877f
3 changed files with 30 additions and 23 deletions
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24
src/shared/utils/dom.js
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@ -81,4 +81,26 @@ const viewportRect = (e) => {
};
};
export { isContentEditable, viewportRect };
const isVisible = (element) => {
let rect = element.getBoundingClientRect();
if (rect.width === 0 || rect.height === 0) {
return false;
}
if (rect.right < 0 && rect.bottom < 0) {
return false;
}
if (window.innerWidth < rect.left && window.innerHeight < rect.top) {
return false;
}
if (element.nodeName === 'INPUT' && element.type.toLowerCase() === 'hidden') {
return false;
}
let { display, visibility } = window.getComputedStyle(element);
if (display === 'none' || visibility === 'hidden') {
return false;
}
return true;
};
export { isContentEditable, viewportRect, isVisible };