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sendkeys: Fix Range adjustment logic

rhansen-sendkeys
Richard Hansen 2021-08-21 04:50:07 -04:00 committed by SamTV12345
parent 39506fcde1
commit 9ff6e82c72
1 changed files with 6 additions and 16 deletions
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22
src/tests/frontend/lib/bililiteRange.js
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@ -438,29 +438,19 @@ function w3cmoveBoundary (rng, n, bStart, el){
// if the start is moved after the end, then an exception is raised
if (n <= 0) return;
var node = rng[bStart ? 'startContainer' : 'endContainer'];
if (node.nodeType == 3){
if (node.nodeType === Node.TEXT_NODE) {
// we may be starting somewhere into the text
n += rng[bStart ? 'startOffset' : 'endOffset'];
}
while (node){
if (node.nodeType == 3){
if (n <= node.nodeValue.length){
for (; node; node = nextnode(node, el)) {
if (node.nodeType === Node.TEXT_NODE) {
if (n < node.nodeValue.length) {
rng[bStart ? 'setStart' : 'setEnd'](node, n);
// special case: if we end next to a <br>, include that node.
if (n == node.nodeValue.length){
// skip past zero-length text nodes
for (var next = nextnode (node, el); next && next.nodeType==3 && next.nodeValue.length == 0; next = nextnode(next, el)){
rng[bStart ? 'setStartAfter' : 'setEndAfter'](next);
}
if (next && next.nodeType == 1 && next.nodeName == "BR") rng[bStart ? 'setStartAfter' : 'setEndAfter'](next);
}
return;
}else{
rng[bStart ? 'setStartAfter' : 'setEndAfter'](node); // skip past this one
n -= node.nodeValue.length; // and eat these characters
}
n -= node.nodeValue.length;
}
node = nextnode (node, el);
if (!node.firstChild) rng[bStart ? 'setStartAfter' : 'setEndAfter'](node);
}
}
var START_TO_START = 0; // from the w3c definitions