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Fix getBounds of empty text nodes #3491

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Merged
jhchen merged 1 commit into from
Nov 29, 2021
Merged

Fix getBounds of empty text nodes #3491

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8 changes: 8 additions & 0 deletions core/selection.js
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,14 @@ class Selection {
let side = 'left';
let rect;
if (node instanceof Text) {
// Return null if the text node is empty because it is
// not able to get a useful client rect:
// https://github.com/w3c/csswg-drafts/issues/2514.
// Empty text nodes are most likely caused by TextBlot#optimize()
// not getting called when editor content changes.
if (!node.data.length) {
return null;
}
if (offset < node.data.length) {
range.setStart(node, offset);
range.setEnd(node, offset + 1);
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