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Handle null return value of document.caretPositionFromPoint

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toasted-nutbread 2019-09-18 22:11:18 -04:00
parent e3fb9603e2
commit 02927f9004
1 changed files with 3 additions and 0 deletions
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ext/fg/js/document.js
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@ -267,6 +267,9 @@ const caretRangeFromPoint = (() => {
// Firefox // Firefox
return (x, y) => { return (x, y) => {
const position = document.caretPositionFromPoint(x, y); const position = document.caretPositionFromPoint(x, y);
if (position === null) {
return null;
}
const node = position.offsetNode; const node = position.offsetNode;
if (node === null) { if (node === null) {
return null; return null;