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Prevent errors in various methods in SimpleDOMNode when the childNodes property is not defined (issue 10395)

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Given that the issue, as filed, is incomplete since no PDF file was provided for debugging, this patch is really the best that we can do here. *Please note:* This patch will *not* enable the Metadata to be successfully parsed, but it should at least prevent the errors.
This commit is contained in:
Jonas Jenwald 2018-12-31 12:57:37 +01:00
parent 85363f4566
commit d371d23382
1 changed files with 7 additions and 3 deletions
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10
src/display/xml_parser.js
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@ -278,12 +278,16 @@ class SimpleDOMNode {
}
get firstChild() {
return this.childNodes[0];
return this.childNodes && this.childNodes[0];
}
get nextSibling() {
let index = this.parentNode.childNodes.indexOf(this);
return this.parentNode.childNodes[index + 1];
const childNodes = this.parentNode.childNodes;
if (!childNodes) {
return undefined;
}
const index = childNodes.indexOf(this);
return childNodes[index + 1];
}
get textContent() {