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ace2_inner: when atext.text is "", replace with "\n"

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The server is fine with atext.text being an empty string, but the front end is
not, and crashes.

It is not clear if this is a problem in the server or in the client code, and
this is a client-side hack fix. The underlying problem needs to be
investigated.

See for reference:
- https://github.com/ether/etherpad-lite/issues/3861
This commit is contained in:
John McLear 2020-04-13 18:16:33 +00:00 committed by muxator
parent 70990afd66
commit 51e40ddbc9
1 changed files with 16 additions and 0 deletions
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16
src/static/js/ace2_inner.js
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@ -737,6 +737,22 @@ function Ace2Inner(){
function setDocAText(atext)
{
if (atext.text === "") {
/*
* The server is fine with atext.text being an empty string, but the front
* end is not, and crashes.
*
* It is not clear if this is a problem in the server or in the client
* code, and this is a client-side hack fix. The underlying problem needs
* to be investigated.
*
* See for reference:
* - https://github.com/ether/etherpad-lite/issues/3861
*/
console.warn('atext.text is an empty string(""). Replacing with "\\n". See issue #3861.');
atext.text = "\n";
}
fastIncorp(8);
var oldLen = rep.lines.totalWidth();