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Squire: Handle empty nodes in moveRangeBoundariesDownTree

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b85754ca50
This commit is contained in:
the-djmaze
2023-11-26 02:16:15 +01:00
parent 677e1863e5
commit beb2c7f577
1 changed files with 22 additions and 10 deletions
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32
vendors/squire/build/squire-raw.js vendored
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@@ -780,24 +780,36 @@ const
},
moveRangeBoundariesDownTree = range => {
let startContainer = range.startContainer,
startOffset = range.startOffset,
endContainer = range.endContainer,
endOffset = range.endOffset,
maySkipBR = true,
let { startContainer, startOffset, endContainer, endOffset } = range;
let maySkipBR = true,
child;
while (startContainer.nodeType !== TEXT_NODE) {
child = startContainer.childNodes[ startOffset ];
while (!(startContainer instanceof Text)) {
child = startContainer.childNodes[startOffset];
if (!child || isLeaf(child)) {
if (startOffset) {
child = startContainer.childNodes[startOffset - 1];
let prev = child.previousSibling;
// If we have an empty text node next to another text node,
// just skip and remove it.
while (child instanceof Text && !child.length && prev && prev instanceof Text) {
child.remove();
child = prev;
continue;
}
if (child instanceof Text) {
startContainer = child;
startOffset = child.data.length;
}
}
break;
}
startContainer = child;
startOffset = 0;
}
if (endOffset) {
while (endContainer.nodeType !== TEXT_NODE) {
child = endContainer.childNodes[ endOffset - 1 ];
while (!(endContainer instanceof Text)) {
child = endContainer.childNodes[endOffset - 1];
if (!child || isLeaf(child)) {
if (maySkipBR && child?.nodeName === 'BR') {
--endOffset;
@@ -810,7 +822,7 @@ const
endOffset = getLength(endContainer);
}
} else {
while (endContainer.nodeType !== TEXT_NODE) {
while (!(endContainer instanceof Text)) {
child = endContainer.firstChild;
if (!child || isLeaf(child)) {
break;