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Update the strategy of finding covers.

related to issue #1085
This commit is contained in:
Losses Don 2020-06-21 13:29:16 +08:00 committed by GitHub
parent e9b074fde3
commit 95608aa862
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@ -256,23 +256,23 @@ class Packaging {
findCoverPath(packageXml){
var pkg = qs(packageXml, "package");
var epubVersion = pkg.getAttribute("version");
// Try parsing cover with epub 3.
// var node = packageXml.querySelector("item[properties='cover-image']");
var node = qsp(packageXml, "item", {"properties":"cover-image"});
if (node) return node.getAttribute("href");
// Fallback to epub 2.
var metaCover = qsp(packageXml, "meta", {"name":"cover"});
if (epubVersion === "2.0") {
var metaCover = qsp(packageXml, "meta", {"name":"cover"});
if (metaCover) {
var coverId = metaCover.getAttribute("content");
// var cover = packageXml.querySelector("item[id='" + coverId + "']");
var cover = packageXml.getElementById(coverId);
return cover ? cover.getAttribute("href") : "";
}
else {
return false;
}
if (metaCover) {
var coverId = metaCover.getAttribute("content");
// var cover = packageXml.querySelector("item[id='" + coverId + "']");
var cover = packageXml.getElementById(coverId);
return cover ? cover.getAttribute("href") : "";
}
else {
// var node = packageXml.querySelector("item[properties='cover-image']");
var node = qsp(packageXml, "item", {"properties":"cover-image"});
return node ? node.getAttribute("href") : "";
return false;
}
}